First here is an overview of. Hey! Welcome to another one of our blogs on configuring the new Cisco Catalyst 9800 WLC. Technical Cisco content is now found at Cisco Community, Cisco. (Cisco Controller) >show redundancy summary Redundancy Mode = SSO ENABLED Local State = ACTIVE Peer State = STANDBY HOT Unit = Secondary – HA SKU (Inherited AP License Count = 50) You can also run a show boot again and double check that the right firmware is set as active. 3ad port aggregation standard. On the 2504, the units do not sync, and if the primary fails, the secondary does not assume the identity of the primary. 4 supports high availability. Failover happening from Primary to secondary active. Cisco by default local mode calısır butun trafık wlc gelir sonra oradan gider. To configure N+1 redundancy, you configure the primary controller field on all APs with the name of an active controller (WLC-A, for example). In addition, the Cisco ASR 9000 Series Routers offer the following high availability (HA) features to enhance network level resiliency and enable network-wide protection: High Availability Router Operations; Power Supply Redundancy; Cooling System Redundancy. Also, in the event of a box failure, the Active WLC will send notification to the Standby WLC via the Redundant Port. ← WLC Out-Of-Box. We have 2 wlc 5508 with software 7. Out of Box is a pretty cool feature, basically its special kind of RF profile for new APs to join the network. As of version 7. Cisco 2500 Wireless LAN Controller (+49) 421 / 896767 - 0 [email protected] Client SSO: clinet will move to secondary WLC without any interruption in case. once you use redundancy force-switchover command on the Active WLC. Once, you check redundancy status using “ show redundancy summary ” & ensure everything is normal, you can failover traffic to this Unit (redundancy force-switchover CLI command on the active unit) & follow the same procedure on next Unit. High Availability Connectivity Using Redundant VLAN on WiSM-2 WLC WiSM-2 WLCs have a dedicated Redundancy VLAN which is used to synchronize the configuration from the Active WLC to the Standby WLC. Some techie information about HA. [It occurred 8 times/sec!. Will NPM be able. Having such a vital position in the network, the Cisco Catalyst 6500 must provide the highest levels of availability. Client SSO: clinet will move to secondary WLC without any interruption in case. If you have two controllers with licences you'll lose them whilst the controller is in HA mode. This command will trigger a manual switchover where the Active WLC will reboot and the Standby WLC will take over the network. Note that in such a. It is perfect for network defense, vulnerability protection, and DDoS attacks and is widely used in VoIP solutions. Return to Previous Page; Cisco. SSH and HTTPS connections to the controller fail. Once they can see each other and are setup for HA the config will sync as will the state of current client connections. Can I use 2504-HA unit for H+1 redundancy? SSO is not needed I have two wireless network: 1. High Availability in Release 7. By automating WLAN configuration and management functions, network managers have the control, security, redundancy, and reliability needed to cost-effectively scale and manage their wireless networks as easily as they scale and manage their traditional wired networks. Show ready to ship products. Login to Primary WLC and execute (Cisco Controller) >redundancy force-switchover command and it will forcefully switch over the primary role to HA WLC. A similar system could be fashioned for the Mikrotiks using scripts. Security settings are simple to synchronize across thousands of sites using templates. If that physical interface fails, traffic fails. The HA unit is a special unit from Cisco that has to be paired to a WLC with active AP licenses. The level of resilience is referred to as active/passive or standby as backup components do not actively participate within the system during normal operation. The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. 11a/b/g and the IEEE 802. Security settings are simple to synchronize across thousands of sites using templates. Cisco Meraki Security Appliances can be remotely deployed in minutes using zero-touch cloud provisioning. The Cisco 4400 Series Wireless LAN Controller provides systemwide wireless LAN functions for medium to large-sized facilities. The WLC redundancy is provided in the ways as follows: … - Selection from Implementing Cisco Networking Solutions [Book]. Cisco :: Setting Up Primary And Secondary 5508 Using Redundancy Port. Reliable network devices, redundant hardware components with automatic failover, and protocols like Hot Standby Router Protocol (HSRP) are used to maximize network uptime. Hi, currently I have a WLC and a HA, unfortunately I am not able to form the HA by following the cisco HA documentation. It has been declared as problematic. I would be really thankful if someone could help me with configurations. Below is the initial configuration of 5508 Wireless LAN Controller. Buy a Cisco 5508 Wireless LAN Controller and get great service and fast delivery. It provides nearly 100 percent router availability and redundancy. The following are the ways in which Cisco StackWise Virtual's redundancy model differs from that of the standalone mode:. 0 and I need the version AIR-WLC4400-K9-4-0-219-0. Cisco 2500 Wireless LAN Controller. N+1 High Availability Overview. According to that, i would like to add one more step as well. of a 5508 production pair I was thinking I need to be on the Primary. These vulnerabilities may allow the reinstallation of a pairwise transient key, a. Cisco ISE Part 4: High availability April 2, 2013 Rob Rademakers 8 comments This is a Cisco ISE blog post series with some how-to’s for configuring the ISE deployment, This blog post series exists of 10 parts. Cisco Access points. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. 4 ; Archives. The way cisco designed HA for the. Step 1: Evaluate the image that you wish to put on the WLC the active WLC executes all the upgrade scripts and transfers the entire image to the Standby WLC using the Redundant Port. Welcome to my channel, if you feel the information shared in video is useful for you please like video and subscribe my channel for more videos. By using the cost effective HA SSO licensing model Cisco wireless deployments from PROYECTOS 200-310 at Universidad de San Carlos de Guatemala. The Cisco® 4400 Series Wireless LAN Controller provides systemwide wireless LAN functions for medium to large-sized facilities. Doing so, however, creates several design considerations, including both scalability and high availability:. SSO mode How to Configure HA on Cisco WLC using Configuration Wizard How to Use N+1 or N+N High availability on Cisco WLC - Duration:. Cisco is the global leader in unified communications and is the industry standard for software appliances. Responsibilities: Manage Network (voice and data) security infrastructure implementation, day to day operation and ensuring security and high availability of services in the data center. Also, in the event of a box failure, the Active WLC will send notification to the Standby WLC via the Redundant Port. 3ad port aggregation standard. - Logs before reboot look like: %RMGR-0-RED_HA_RELOAD: [SM]rmgr_utils. Bookmark the permalink. With WLC 5508 with about 40 AP(1262), all them are A regulatory domain 2. I can purchase two 2504 WLC's, both with 50 AP licenses for half the price of one 5508 WLC with a 100 AP license. 0) in the WebUI there is no Redundancy option under the Controller tab to enable it. The way cisco designed HA for the. In the late 1990s the Internet Engineering Task Force (IETF) began work on a protocol for router redundancy. WLC Mobility Groups FAQ. HAを有効にしている状態で、起動時にUplinkとの接続が無い場合、 またはRedundancy Port(WLC間のリンク)がDownしてHAが組めないという場合は、 正しく冗長化できず、Primary機または、Secondary機が メンテナンスモード (maintenance mode) に入ります。. The Cisco DocWiki platform was retired on January 25, 2019. Since release 7. Posts about Cisco WLC written by N. Cisco ASA acts as both firewall and VPN device. In other words, 1:1 where one WLC will be in an Active state and the second WLC will be in a Hot Standby state continuously monitoring the health of the Active WLC via a Redundant Port. The size is about 165Mb. After the WLCs are configured with Redundancy Management and Peer Redundancy Page 30 Configure HA from Cisco Prime WLC 1: WLC 2: 7. Below the firewall, we will have two cisco 4331 configured in HA. Cisco 8500 Wireless LAN Controller AIR-CT8510-HA-K9. General Networking. In summary I had a primary Cisco 5008 WLC (AIR-CT5508-50-K9) with a 5508 HA WLC (AIR-CT5508-HA-K9). We will extend our knowledge of mobility tunnel, foreign and anchor controllers, from the last video to securely segregate guest traffic into DMZ. We are using Extension Mobility to login to Cisco IP Phones, but have we configured redundancy for Extension Mobility? What if a Subscriber goes down? There are three ways to achieve Extension Mobility Redundancy or High Availability - I have tested two of them. The Cisco wireless LAN controller training addresses the wireless network security, deployment, management, and control aspects of deploying a wireless network. Deference between Upload and. [It occurred 8 times/sec!. These vulnerabilities may allow the reinstallation of a pairwise transient key, a. Hi! Will it be possible to have N+1 redundancy with the new WLC 3504 (holding AP licenses) and a 2504 HA (AIR-CT2504-HA-K9) unit? I know that 3504 will support SSO but I'm evaluating this solution because of customer cost. Cisco :: Setting Up Primary And Secondary 5508 Using Redundancy Port. The video shows you how to configure High Availability on Cisco FTD 6. Symptom: During HA failover connectivity to the redundancy management interface is lost for about 1 minute. The external power supply module requires 50-60 Hz frequency and AC 115-240 V input voltage for optimum performance. If an AP is downloading it is not available. Step 7 Enter the IP address, netmask, default router IP address, and optional VLAN identifier (a valid VLAN identifier or 0 for an untagged VLAN) for the management interface. 4 for Wireless LAN Controllers (WLC) more and more customers are using this solution to provide wireless redundancy. Access point are connected to distribution switches via L2 access switch in different buildings. The redundancy mode requires you to configure one of your controllers in HA mode and requires a layer-2 link between them. It bundles all of the controller’s distribution system ports into a single 802. How to use GUI for HA 2. View Tim McConnaughy’s profile on LinkedIn, the world's largest professional community. In addition, we will look at how we can minimize network downtime due to the upgrade by pre-downloading a new software image to access points. This command will trigger a manual switchover where the Active WLC will reboot and the Standby WLC will take over the network. First here is an overview of my home lab setup: I currently have 2 x ESXi servers and a C9800CL on each. (Firmwareversion is 8. c:3047 Invalid checkpoint client ID (0). This guide will show you what steps are needed to get your Cisco 5508 Wireless LAN Controller to the latest and greatest state. + last two octets of the Redundancy. Cisco Meraki MX Security Appliances support secure tunneling between sites using either mesh or hub-and-spoke topologies. I've added a Secondary WLC (WLC2) in my wireless lab in order to test out N+1 high availability with the Primary WLC1. It bundles all of the controller's distribution system ports into a single 802. This time we are going to take you through configuring 2 x C9800-CLs for redundancy HA SSO. This can be in the form of additional cables cross-connecting devices, dual power supplies going to different feeds and HSRP on switches. It links to this guide on how to enable it, yet on my Virtual WLC (version 8. We try to setup HA SSO but 1 wlc in maintenance mode: Maintenance cause= Incompatible Software license Could you help me ? thanks. The modular approach makes the network easier to scale, troubleshoot, and understand. HSR nodes have two ports and act as a switch (bridge), which allows arranging them into a ring or meshed structure without dedicated switches. This guide is based on a real world deployment and covers all the aspects of the Cisco WLC 2504 High Availability Configuration. The Cisco 4404 features (4) Gigabit Ethernet ports and supports up to 100 access points. In this setup one WLC acts as primary unit, the other as secondary unit (so-called Active/Hot Standby). Cisco by default local mode calısır butun trafık wlc gelir sonra oradan gider. Available Ports on a Cisco WLC 5500. It has been declared as problematic. I have to change the NAT address of my HA pair. Redundancy in Monitor Page 3. Here are some redirects to popular content migrated from DocWiki. Conditions: The Redundancy Ports between the Primary and the Standby goes over WAN with RTT 19 ms or more. 254 plus the last 2 octets of the redundany management IP. There is commands for doing so in this link:. This article applies to PRTG Network Monitor 16. This video walks though a demonstration of Cisco's High Availability feature along with it's configuration and operation. 096: %LOG-4-Q_IND: [SS]chkpt_message. If you access the WLC via the console, and issue the command "show certificate all" - no certificates are seen. The 6504E chassis has some damage on the left side (See Last Picture. 4 The new architecture for HA is for box-to-box redundancy. Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politics. The HA/SSO pair of WLCs were servicing an entire geographical region with about 400+ APs associated to them. For years Cisco has had Wireless LAN Controller (WLC) redundancy for their wireless access points (AP). Cisco Meraki MX Security Appliances support secure tunneling between sites using either mesh or hub-and-spoke topologies. of a 5508 production pair I was thinking I need to be on the Primary. From a central Wireless LAN Controller (WLC), hopefully in your Data Centre with a redundant WLC not too far away, you can configure, control and manage access points in a branch or remote office. It gives the mobility of student and staff. In addition, the Cisco ASR 9000 Series Routers offer the following high availability (HA) features to enhance network level resiliency and enable network-wide protection: High Availability Router Operations; Power Supply Redundancy; Cooling System Redundancy. Pre-Staging 5520 WLC Software Update. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. The Cisco wireless LAN controller training addresses the wireless network security, deployment, management, and control aspects of deploying a wireless network. Access point are connected to distribution switches via L2 access switch in different buildings. Page 29 Configure HA from Cisco Prime WLC 2: 5. SSH and HTTPS connections to the controller fail. The new architecture for HA is for box-to-box redundancy. I need to configure high availability for 2 Cisco 4331 routers. Cisco 5500 Series Wireless Controller • Support for up to 500 access points and 7000 clients • 8-Gbps throughput, eight 1 Gigabit Ethernet ports, with Link Aggregation Group (LAG. Welcome to my channel, if you feel the information shared in video is useful for you please like video and subscribe my channel for more videos. In summary I had a primary Cisco 5008 WLC (AIR-CT5508-50-K9) with a 5508 HA WLC (AIR-CT5508-HA-K9). l ) Just so you are aware that if you have a Cisco 5508 WLC it does not export correctly to Solarwinds even after upgrading to 8. Devices running Cisco Wireless LAN Controller (WLC) software versions 7. 10: Active-9800 WLC# chassis clear. secondary WLC. By using the cost effective HA SSO licensing model Cisco wireless deployments from PROYECTOS 200-310 at Universidad de San Carlos de Guatemala. Client SSO: clinet will move to secondary WLC without any interruption in case. Download and install a TFTP Server program TFTPD is the recommend program to be used by Cisco. On the 2504, the units do not sync, and if the primary fails, the secondary does not assume the identity of the primary. A success factor in any digital transformation initiative is the availability of a sound network, using the most suitable protocol. aes (29 MB long), I known that this version can be downloaded from Cisco. HA Progress on CLI 4. Extension Mobility Redundancy High Availability. Cisco 2500 Wireless LAN Controller. Cisco WLC 5508 HA AP-SSO not possible Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. Just thought I'd post up a gotcha I hit today around Cisco N+1 redundancy. Learn more about the Cisco Systems, Inc. Configuring Link Aggregation (LAG) on a Cisco WLC 2504 and WLC Ports You can connect several different types of controller ports to your network: * Service port - Used for out-of-band management, system recovery, and initial boot functions; always connects to a switch port in access mode * Redundancy port - Used to connect to a peer. Management purchased a HA package from Cisco consisting of 2 5508's with pre installed 500 users license on the Primary WLC and none on the secondary WLC. Mgmt IP is no longer required to form a HA Pair; Redundancy Management as we know it from AireOS (additional IP per WLC from the same subnet as mgmt. I understand how to configure the vlan on the sonicwall, but could use some info on the cisco. Thus, a switch that supports multi-chassis channels (e. C9800s Successfully in Redundancy HA SSO 1 We can see now that the WLCs have rebooted and successfully formed an HA SSO pair. Also, in the event of a box failure, the Active WLC will send notification to the Standby WLC via the Redundant Port. Purchase Cisco Refresh CISCO2921-V/K9-RF Cisco Refurbished Original Part No : CISCO2921-V/K9 Cisco 2921 UC Bundle, PVDM3-32, UC LicensePAK REMANUFACTURED from Cisco Shop in Abu Dhabi, Dubai, UAE JavaScript seems to be disabled in your browser. High Availability in Release 7. SSO mode How to Configure HA on Cisco WLC using Configuration Wizard How to Use N+1 or N+N High availability on Cisco WLC - Duration:. c:3047 Invalid checkpoint client ID (0). Security settings are simple to synchronize across thousands of sites using templates. Posted on August 3, 2014 by N. HA Progress on CLI 4. N+1: Which is just another version of point 1;. The Main On-premises Wireless Controllers of CISCO are Catalyst 9800-80, Catalyst 9800-40, Cisco 8540, 5520, 3504 Wireless Controller. High Availability in Release 7. WLC software is available now on Cisco's website. New feedback from our customer, passed 200-150 DCICN exam with your dumps, thanks. Cisco also provides out-of-box RF Profile which we will review at the end of the lab. com & get a certificate on course completion. 5KW AC PwrSupModule Intl (cab REMANUFACTURED from Cisco Shop in Abu Dhabi, Dubai, UAE. Link aggregation (LAG): LAG in the WLC is the way to make use for Ether channel in switches. Well, looking over the configs, the Service port IP address was somehow overlapping with the redundancy port IP address that uses 169. The second half of the video shows you how to configure Cisco ISE to operate with the anchor WLC in the DMZ to provide guest login portal without. Reliable network devices, redundant hardware components with automatic failover, and protocols like Hot Standby Router Protocol (HSRP) are used to maximize network uptime. Lets break the HA Pair so we can get the site back to its N+1 Redundancy. High Availability - Com cisco WLC 5508 Após um longo período sem escrever nada no meu blog, estou de volta e trago um assunto bem interessante para quem gosta de Wi-fi. In addition, we will look at how we can minimize network downtime due to the upgrade by pre-downloading a new software image to access points. Cisco Wireless Lan Controller (WLC) is a very complex system with unconventional implementation of its keypairs for encryption. We have 5508's already so I am familiar with setting them up and so forth. If you want to have them geographically dispersed (each WLC in separate DCs in different subnets) then you license the Active WLC and enable HA SKU on the standby WLC. But i am confused regarding the configuration. In this setup one WLC acts as primary unit, the other as secondary unit (so-called Active/Hot Standby). Cisco WLC 5508 HA AP-SSO not possible Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. HA (L2) - used for HA/SSO and must be configured even when used in a standalone deployment. SSO mode How to Configure HA on Cisco WLC using Configuration Wizard How to Use N+1 or N+N High availability on Cisco WLC - Duration:. Cart (0) Sign In ☰. Items may have scratches, if you need mint condition let us know and we will …. 3ad port channel, thereby reducing the number of IP addresses needed to configure the ports on your…. Check Cisco WLC Access Points. The redundancy mode requires you to configure one of your controllers in HA mode and requires a layer-2 link between them. Wireless LAN Architecture for RF High Availability: Cisco ClientLink Most common Design is N+1 with Redundant WLC in a geographically separate location. There are many options to backup your config from a Cisco Wireless LAN Controller. Alert ID: 39041. The CT5760 Wireless LAN Controller (WLC) is the first Cisco IOS® software-based controller built with smart ASIC intended to be deployed as a centralized controller in the next generation unified wireless architecture. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. To configure N+1 redundancy, you configure the primary controller field on all APs with the name of an active controller (WLC-A, for example). The most interesting to me, and the newest is the HA SSO mode. High availability (HA) in controllers allows you to reduce the downtime of the wireless networks that occurs due to the failover of controllers. 3ad port aggregation standard. Access point are connected to distribution switches via L2 access switch in different buildings. This is the easiest and most direct method where you download the config directly from the controller to your tftp server. The default IP address for the service port is 192. Shop(Cisco 5760 Wireless LAN Controller) by Cisco Systems, Inc, at ITO Solutions. We will observe the access point during reboot and be able to see its software images being deployed as it detects the new version on the controller. WLCs are connected to CORE Switch Pair. In the case of the 2504, the only benefits are redundancy. The latest CAPWAP firmware from Cisco's website for these APs contains CAPWAP code for 7. 5KWINT-RF Cisco Refurbished Original Part No : N7K-AC-7. Configuring Statefull IPSec VPN High-Availability on Cisco IOS crypto map CMAP redundancy VPN_HA_OUT stateful! interface FastEthernet0/1 ip address 10. Cisco Meraki MX Security Appliances support secure tunneling between sites using either mesh or hub-and-spoke topologies. We have a Cisco WLC 2504, we also have a spare WLC 2504. Redundancy Port. One of the problems, I ran into at this point was that I was reverting this work remotely. Failed to load latest commit information. The Cisco 4400 Series Wireless LAN Controller provides system wide wireless LAN functions for medium to large-sized facilities. by Craig IT. Cisco WLC Wireless LAN Controller. Cisco IOS high-availability technologies provide network redundancy and fault tolerance. High availability minimizes link and node failures to minimize downtime, by implementing link and node redundancy, providing alternate paths for traffic, and avoiding single points of failure. Page 29 Configure HA from Cisco Prime WLC 2: 5. Designing High Availability in the Enterprise Campus. We are doing all that we can to meet the expected delivery date. Tim has 8 jobs listed on their profile. Cisco Wireless LAN Controller 4402 - Network management device - 2 ports - 25 MAPs (managed access points) - GigE - 1U - refurbished - rack-mountable AIR-WLC440225K9-RF. A Redundancy VLAN should be a Layer 2 VLAN dedicated for the HA Pairing process. Step by Step guide to build a Cisco wireless infrastructure using Cisco WLC 5500, Cisco 1142 AP and Microsoft Radius server. 0 and I need the version AIR-WLC4400-K9-4--219-. Does it make a difference which device is active when we disable SSO, reboot, change NAT IP, reboot and re enable SSO and reboot? I think that's enough reboots. The Cisco Wireless LAN Controller (WLC) product family is affected by an unauthorized access vulnerability where an unauthenticated attacker could view and modify the configuration of an affected Cisco WLC. Ssid'yi advanced bolumunden local switching aktif edersek local'de ssdi switching edilir. SSO mode How to Configure HA on Cisco WLC using Configuration Wizard How to Use N+1 or N+N High availability on Cisco WLC - Duration:. If the primary WLC fails, the secondary WLC is taking over the management IP. N+1 redundancy with 2504-HA. He is currently working as a consulting engineer for a Cisco partner. I found YouTube an extremely. The HA-SKU secondary WLC within the Cisco Unified Wireless Network (CUWN) framework allows a single WLC to be used as a backup WLC for N primary controllers. Available Ports on a Cisco WLC 5500. Clear HA configuration of the current active 9800 WLC and force a redundancy switchover (It will reboot the current active 9800 WLC, it boots back up with HA configuration cleared) 16. with 4 comments. Having such a vital position in the network, the Cisco Catalyst 6500 must provide the highest levels of availability. 0 or later, 8. The following are the ways in which Cisco StackWise Virtual's redundancy model differs from that of the standalone mode:. Cisco 5508 WLC HA Datacenter Migration Notes Recently I had a need to relocate a redundant pair of Cisco 5508 Wireless LAN Controllers (WLC) from one Datacenter to another. Cisco 5520 wireless LAN controller has a failover RP Port. Cisco Wireless Controllers (WLC) support the configuration of Link Aggregation (IEEE 802. There are two options for Cisco Wireless Controller redundancy solutions, either Backup Controllers or High Availability, depending on the firmware version of WLC’s, failover time requirement, and budget. ← WLC Out-Of-Box. The Cisco 8500 Series controller also supports Bonjour Services Directory to enable Bonjour Services to be advertised and utilized in a separate Layer 3 network. The manipulation with an unknown input leads to a denial of service vulnerability. ID: CVE-2016-6376 Summary: The Adaptive Wireless Intrusion Prevention System (wIPS) feature on Cisco Wireless LAN Controller (WLC) devices before 8. The Cisco wireless LAN controller training addresses the wireless network security, deployment, management, and control aspects of deploying a wireless network. Learn more about the Cisco Systems, Inc. Customers who subscribe to our services have access points (APs) deployed at their site which register with the WLC and are then centrally managed and monitored. the Cisco 5508 WLC. The Cisco ASA series delivers advanced threat protection and integrated security features. Redundancy in Monitor Page 3. Deference between Upload and. AIR-CT8510-HA-K9. 0 or later, 8. Both HSRP and GLBP are Cisco proprietary protocols while VRRP is an IEEE standard. I was wondering if I can connect them in High availability mode. Conditions: The Redundancy Ports between the Primary and the Standby goes over WAN with RTT 19 ms or more. Firewalls will remain in HA as well. The most benefit is realized when you configure a WLC LAG to a Switch stack. Includes: 1x AIR-CT5760-HA-K9 1x Power Supply (PWR-C1-350WAC) 1x Power Supply Blank (C3KX-PS-BLANK) 4x Fan Modules (C3850-FAN-T1) 1x Rack Mount Kit (RCKMNT-1RU-2KX) 1x Console Cable 1x Power Cord Condition These items are in Good condition. The Cisco DocWiki platform was retired on January 25, 2019. This is the easiest and most direct method where you download the config directly from the controller to your tftp server. 0 from this url. Cisco also states this in their Cisco WLC Configuration Guide: Information About High Availability The standby-hot controller continuously monitors the health of the active controller through a direct wired connection over a dedicated redundancy port. How to Configure High Availability HA on Cisco WLCs. The secondary controller field is set to the name of the backup controller (WLC-Z). 15/24) (Redundancy Mgmt Ip 172. There must be a redundancy connection as well, for the heartbeat. 0 allow remote attackers to cause a denial of service (device reload) via a web authentication (aka WebAuth) session that includes a malformed POST request to login. SSH and HTTPS connections to the controller fail. WLC comes back and continues working as expected. On a centralized controller, select Security AAA > RADIUS > Authentication to see a list of servers that have already been configured. Cisco Wireless :: Redundancy - HA License For 2504 (AIR-CT2504-xx-K9)? Jun 2, 2013. Apenas um breve comentário, Fiz algumas mudanças na minha vida profissional recentemente mas foi no intuito de adequar ao meu objetivo de focar mais e mais em Wi-fi. We will observe the access point during reboot and be able to see its software images being deployed as it detects the new version on the controller. 0 from this url. x (Catalyst 3850 Switches) Chapter Title. To access the CLI you need to connect your computer to the Console Port of the Wireless LAN Controller with a console cable. Enabling SSO will reboot the WLCs in order to negotiate. High availability minimizes link and node failures to minimize downtime, by implementing link and node redundancy, providing alternate paths for traffic, and avoiding single points of failure. Demands are exceptionally high at the moment. Thanks Nandha. HA Progress on CLI 4. Cart is empty. If you are running preemption this will allow the backup to take over. Symptom: During HA failover connectivity to the redundancy management interface is lost for about 1 minute. This entry was posted in Cisco-Wireless, Wireless-Redundancy and tagged Disable AP-SSO, HA AP-SSO disable, Wireless Redundancy. First here is an overview of my home lab setup:. High Availability. aes (29 MB long), I known that this version can be downloaded from Cisco. The N+1 HA feature builds upon the N+1 redundancy model by allowing a single WLC (Wireless LAN Controller) to be deployed as a backup for multiple primary WLCs. As part of our latest Cisco Meraki MS feature release, we're pleased to announce support for warm spare failover in our layer 3 switch models—the MS320 and MS420 families. If you lose a tracked interface you deduct a specified amount of points from that group’s priority. N+1 Redundancy. Cisco has a tracking system for HSPR and VRRP. This is the easiest and most direct method where you download the config directly from the controller to your tftp server. Once they can see each other and are setup for HA the config will sync as will the state of current client connections. UsmDb:HA_send_usmDbSpamSetRadSlotBand, ErrType:Apply Config failed on Standby, Reason:5, TStamp:2018-Apr-09 23:16:20 ----- Conditions: WLC in HA SSO configuration as redundancy mode. AIR-CT8510-HA-K9. It links to this guide on how to enable it, yet on my Virtual WLC (version 8. If you lose a tracked interface you deduct a specified amount of points from that group’s priority. com, and Cisco DevNet. This command will trigger a manual switchover where the Active WLC will reboot and the Standby WLC will take over the network. The Cisco DocWiki platform was retired on January 25, 2019. 0 (Cisco Controller) >show redundancy summary Redundancy Mode = SSO ENABLED. Find many great new & used options and get the best deals for Cisco Air-ct2504-ha-k9 Aironet 2504 Wireless LAN Controller HA AIRCT2504HAK9 at the best online prices at eBay! Free delivery for many products!. The setup was simple, simply have an extra WLC as the back up, then configure it the same as the primary. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. We have 2 wlc 5508 with software 7. Q129 During the Cisco 5760 WLC high availability active and standby process from CCIE WIRELES CISCO 400- at National Polytechnic Institute. Posts about Cisco-Wireless written by N. Redundancy in Monitor Page 3. Warehoused Items, Same Day Shipping. First time I've seen someone use 169. Javascript is disabled in your browser due to this certain functionalities will not work. CSCvo33873 Symptom: After a wireless LAN controller reloads, no access points are able to join. Cisco WLC2504 N+1 HA Configuration Step by Step Step 1 : ตั้งค่า Hostname , IP address บน management และ dynamic interface (Hostname และ IP address ของทั้ง 2 ตัว จะต้องไม่เหมือนกัน ). The following are the ways in which Cisco StackWise Virtual's redundancy model differs from that of the standalone mode:. Cisco WLC HA does not require licenses, since its role is HA However, pricing will depend on the model of WLC your looking at, but I've found pricing for Cisco to usually be more expensive, sometimes by a large amount, when compared to a 5 year setup with Meraki. Also, in the event of a box failure, the Active WLC will send notification to the Standby WLC via the Redundant Port. Hi Nayarasi, excellent information in your blog!!! I have a issue with my Cisco 4400 series WLC, I need upgrade the software because I have the version 3. A 1:1 (Active:Standby-Hot) stateful switchover of access points and clients is supported (HA SSO). FACTORY DIRECT ONLY Cisco 8510 Series High Availability Wireless Controller. In summary I had a primary Cisco 5008 WLC (AIR-CT5508-50-K9) with a 5508 HA WLC (AIR-CT5508-HA-K9). The HA-SKU secondary WLC within the Cisco Unified Wireless Network (CUWN) framework allows a single WLC to be used as a backup WLC for N primary controllers. Redundancy in Monitor Page 3. The secondary controller field is set to the name of the backup controller (WLC-Z). I try to setup HA with SSO with 2x WLC 5520 version 8. Having such a vital position in the network, the Cisco Catalyst 6500 must provide the highest levels of availability. com, Metha enjoys learning and challenges himself with new Cisco technologies. Security settings are simple to synchronize across thousands of sites using templates. Will NPM be able. It bundles all of the controller's distribution system ports into a single 802. Home > Wireless > How to Install 3rd Party SSL Certificate on Cisco WLC for Guest Access. 4 for Wireless LAN Controllers (WLC) more and more customers are using this solution to provide wireless redundancy. Cisco Meraki access and aggregation layer switches provide the backbone for networks of every size, combining secure, scalable, robust performance with an elegant, intuitive management experience. I have to change the NAT address of my HA pair. Thanks Nandha. According to that, i would like to add one more step as well. For sale is a Cisco AIR-CT5760-HA-K9. aes from Baidu Cloud. Cisco AIR-AP1702I-E-WLC: Mobility Express. From the primary controller, navigate to Access Points > Global Configuration, then configure the backup controller on the primary to point to the secondary controller. 4 for Wireless LAN Controllers (WLC) more and more customers are using this solution to provide wireless redundancy. Manage and troubleshooting of Wireless network with software such as Cisco WLC and WCS. Reliable network devices, redundant hardware components with automatic failover, and protocols like Hot Standby Router Protocol (HSRP) are used to maximize network uptime. verify chassis. WLC Mobility Groups FAQ. High Availabilityの「Back-up Primary Controller」と「Back-up Primary Controller name」などに対し 設定することでWLC冗長化もできます。 この場合、APごとの設定ではなくてAP全体(Global)に対して適用。. HA SKU enables full license count (for a 5520 is 1500 APs) and you can have the APs connected for 90 days**. WLC Introduction. In order to break HA on both boxes you can perform these steps. Redundancy Management Interface The active and standby-hot controllers use the Redundancy Management Interface to check the health of the peer controller and the default gateway of the management interface through the network infrastructure. Cisco Wireless LAN Controller 4402 - Network management device - 2 ports - 25 MAPs (managed access points) - GigE - 1U - refurbished - rack-mountable AIR-WLC440225K9-RF. Bookmark the permalink. This can be in the form of additional cables cross-connecting devices, dual power supplies going to different feeds and HSRP on switches. Aktif etmeksek flexconnect olmasına rağmen bütün data wlc'ye gitmeye devam eder. The video walks you through an upgrade process of Cisco Wireless LAN Controller. No issues with back to back direct connect via RP or the HA pair are in the same data center. 18/11/2017 0 Comments Traditionally speaking we have the following mechanisms of redundancy available with Cisco WLC's - High Availability : With Primary, Secondary & Tertiary WLC configuration. The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. Recently, Cisco has begun offering WLC services in. Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide High Availability and Redundant Operation This chapter describes the high availability and redundancy features of the Cisco ASR 9000 Series Routers. Shop(Cisco 5760 Wireless LAN Controller) by Cisco Systems, Inc, at ITO Solutions. We will use AP Group to control availability of WLANs while RF Profile ensures consistent radio characteristics. 3] Configure high-availability on the APs via the WLC. Cisco ASA High Availability Implementation. NEW - Cisco 4400 Wireless LAN Controller - 4 x 1 GB Ethernet ports - 2 x expansion slot - for up to 100 Cisco access points (AIR-WLC4404 100-K9). Read the comparisons of Cisco On-premises Wireless Controllers. The 2504 WLC will not be able to push out more than 1 Gbps so we aren't worried about bandwidth. Cisco Prime: Configuring HA; Reset Cisco WLC 5508 to factory settings ; Cisco Prime: Unit of Measurement for Maps ( Meters and Feet) Cisco Wireless: How to perform Carrier busy test on cisco AP; Upgrading firmware on brocade ICX6610; Cisco Wireless: Cisco WLC Customized Webauth files; Patching Cisco ACS 5. A success factor in any digital transformation initiative is the availability of a sound network, using the most suitable protocol. The perfect state of a Cisco WLC cluster would be this: Local State: Active Peer State: STANDBY HOT Unit: Primary Redundancy State: SSO (Both AP and Client SSO). Once they can see each other and are setup for HA the config will sync as will the state of current client connections. IPWITHEASE | September 24, - Configuration of 2 Cisco Wireless controllers to work over layer 3 or WAN Links. How to do High Availability (HA) SSO Deployment on Cisco Catalyst 9800 Wireless Controller Topics Covered: 1. Cisco Wireless :: Redundancy - HA License For 2504 (AIR-CT2504-xx-K9)? Jun 2, 2013. HSRP is a valuable tool. This interface delivers a SSH access. Having 2 8540 controllers configured on HA pair. We try to setup HA SSO but 1 wlc in maintenance mode: Maintenance cause= Incompatible Software license Could you help me ? thanks. Welcome to my channel, if you feel the information shared in video is useful for you please like video and subscribe my channel for more videos. Using indoor mesh in our lab, you will learn the basics and behavior of wireless mesh AP. Here are some redirects to popular content migrated from DocWiki. The two units share their config and synchronize certain information tables to aid in seamless Access Point and Client Station transition in the…. Conditions: WLC running 8. We are doing all that we can to meet the expected delivery date. But i am confused regarding the configuration. video of simulated primary WLC failure. A single backup controller can be used in order to provide backup for multiple primary WLCs, with consideration for appropriate compatibility in terms of AP mode. N+1 redundancy is a form of resilience that ensures system availability in the event of component failure. If you are running preemption this will allow the backup to take over. To access the CLI you need to connect your computer to the Console Port of the Wireless LAN Controller with a console cable. Welcome to my channel, if you feel the information shared in video is useful for you please like video and subscribe my channel for more videos. Quad Cisco WLC 8540s and HA Looking to see if there is a way to get my four 8540s to HA together so if we have a site fail that has two of the controllers we can have the APs move to the 3rd or 4th box. 5KWINT-RF Cisco Refurbished Original Part No : N7K-AC-7. I have never had the opportunity to set this up myself. If you want to have them geographically dispersed (each WLC in separate DCs in different subnets) then you license the Active WLC and enable HA SKU on the standby WLC. The Designing Cisco Enterprise Wireless Networks v1. Find answers to Configuring Cisco WLC 5508 as High Availability I was wondering if someone could guide me on configuring Cisco WLC 5508 as High Availability? My client has an existing 5508 WLC, and now purchased another 5508 as HA SKU and would like to set up the new 5508 as HA. High Availability - Com cisco WLC 5508 Após um longo período sem escrever nada no meu blog, estou de volta e trago um assunto bem interessante para quem gosta de Wi-fi. The video walks you through an upgrade process of Cisco Wireless LAN Controller. Hi, I need help to get a HA SSO setup running. Basically you need to add 25 AP licenses to the WLC which you want to be the HA secondary. The peer chassis exchange configuration and state information across the VSL and the VSS standby supervisor engine runs in hot VSS standby mode. Using indoor mesh in our lab, you will learn the basics and behavior of wireless mesh AP. The Active WLC remains the Active WLC despite the Backup WLC having a more preferable physical configuration. Cisco also provides out-of-box RF Profile which we will review at the end of the lab. Step 7 Enter the IP address, netmask, default router IP address, and optional VLAN identifier (a valid VLAN identifier or 0 for an untagged VLAN) for the management interface. In addition, we will look at how we can minimize network downtime due to the upgrade by pre-downloading a new software image to access points. Type Name Latest commit message Commit time. General Networking. According to that, i would like to add one more step as well. It will detail the required licensing, configuration for CLI and GUI, the process of pairing and primary vs. Enable multicast globally and enable IGMP snooping. The SSL certificate underlying Cisco WLC is a self-signed certificate. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. High Availability (SSO) Deployment Guide - Cisco. Any idea how to resolve this? Many thanks. WLC แต่ละตัว ต้อง ping เจอ gateway 3. The wireless controllers have a dedicated redundancy port which must be connected with a standard Cat. 13, Current Active=10. 3 introduced HA AP SSO. Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politics. Since release 7. Warehoused Items, Same Day Shipping. Redundancy Port. This is the easiest and most direct method where you download the config directly from the controller to your tftp server. With first-hop router redundancy protocols such as the Virtual Router Redundancy Protocol (VRRP) or Cisco's Hot Standby Routing Protocol. Cisco WLC 5508 Redundancy Feature All, With version 7. This will give a warning alert. The Cisco 4400 Series Wireless LAN Controller provides systemwide wireless LAN functions for medium to large-sized facilities. 3 HA AP SSO switch over with command redundancy force-switchover. Purchase Cisco Refresh CISCO7604-RF Cisco Refurbished Original Part No : CISCO7604= Cisco 7604 Chassis REMANUFACTURED from Cisco Shop in Abu Dhabi, Dubai, UAE JavaScript seems to be disabled in your browser. Configuring a RADIUS Server (Cisco ISE) on a Cisco WLC If your new WLAN will use a security scheme that requires a RADIUS server, you will need to define the server first. Much like a Cisco switch, you're just uploading software for the device to boot to after a reload. If I can put the two 2504 WLC’s in the same mobility group and control 100 AP’s, what makes the 5508 WLC with a 1. We were retiring our aging B/G radios with brand new dual-band N radios. The site A is the headquarter. This box does NOT require a license! AP-SSO with standalone and HA-SKU box: The idea is quite the same as with two standalone controllers except that for the standby no license is required. It links to this guide on how to enable it, yet on my Virtual WLC (version 8. Login to Primary WLC and execute (Cisco Controller) >redundancy force-switchover command and it will forcefully switch over the primary role to HA WLC. Flex connect mode ise 2 adet mode varıdr. I set it up for N+1 redundancy as per the Cisco guidelines (note HA, not SSO):. 67 MB) PDF - This Chapter (1. The N+1 HA feature builds upon the N+1 redundancy model by allowing a single WLC (Wireless LAN Controller) to be deployed as a backup for multiple primary WLCs. alcatel_aos_show_vlan. The Redundancy Port is also used in order to check peer reachability sending UDP keep-alive messages every 100 msec (default timer) from the Standby WLC to the Active WLC. I have Layer 3 in my CORE and all SVIs are defined in Distribution Switch for Access point etc. A partial implementation of the 802. Cart (0) Sign In ☰. AIR-PWR-4400-AC , Cisco Air-pwr-4400-ac Redundant Power Supply For Cisco Aironet 4400 Wireless Lan Controller. HA-SKU BOX: All of this talk about the license inspires Cisco to manufacturer new and special hardware for redundancy, this is HA-SKU units. Skip to main search results. Cisco Catalyst 6500 High Availability: Deploying Redundant Supervisors for Maximum Uptime Introduction The Cisco ® Catalyst ® 6500 is deployed in the most critical parts of enterprise and service provider networks. One of the attractive cost benefits of SIP trunking is the technical ability to centralize PSTN access for the enterprise into a single large pipe. So in this way, you can perform this CIMC upgrade on a WLC – HA pair without having much trouble. c:3047 Invalid checkpoint client ID (0). Enabling SSO will reboot the WLCs in order to negotiate. Cisco IOS high-availability technologies provide network redundancy and fault tolerance. First time I've seen someone use 169. Example HA and redundant interfaces. !] *spamApTask4: Jul 15 09:03:44. Skip to main content. standby modes, Stateful Switchover (SSO), and finally, testing the completed wireless network. After rebooting the primary controller changed into Maintanence Mode. Configuring Cisco StackWise Virtual. This will give a warning alert. Metha Cheiwanichakorn, CCIE#23585 (RS, Sec, SP), is a Cisco networking enthusiast with years of experience in the industry. Cisco 2500 Wireless LAN Controller. If you access the WLC via the console, and issue the command "show certificate all" - no certificates are seen. Cisco 4400 Series Wireless LAN Controller Because the Cisco 4400 Series Wireless LAN Controller supports 802. In summary I had a primary Cisco 5008 WLC (AIR-CT5508-50-K9) with a 5508 HA WLC (AIR-CT5508-HA-K9). The instructions say to use a direct copper link between the 2x Redundant Ports. High Availability Overview. Both HSRP and GLBP are Cisco proprietary protocols while VRRP is an IEEE standard. HSRP is a Cisco proprietary protocol for redundancy. We have a Cisco WLC 2504, we also have a spare WLC 2504. 4 supports high availability. This video walks though a demonstration of Cisco's High Availability feature along with it's configuration and operation. These vulnerabilities may allow the reinstallation of a pairwise transient key, a. How does this feature work? Does anyone know? Can it be use where it is not directly connected, but can be connected as a layer 2?There have always been redundancy. Re: Cisco WLC HA pair as netflow exporter fmckechnie Oct 12, 2016 10:24 AM ( in response to josh. For information on how to configure HA, see:. It is suggested to have this connection going through a switch. going with Meraki Access points and a cloud subscription?. This time we are going to take you through configuring 2 x C9800-CLs for redundancy HA SSO. Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. To achieve HA between two Cisco Wireless Services Module 2 (WiSM2) platforms, the controllers should be deployed on a single chassis, or on multiple chassis using a virtual switching system (VSS) and extending a redundancy VLAN between the multiple chassis. Cisco WLC is quite complicated during its initial set up of the […]. Can I use 2504-HA unit for H+1 redundancy? SSO is not needed I have two wireless network: 1. Cisco is the global leader in unified communications and is the industry standard for software appliances. It will detail the required licensing, configuration for CLI and GUI, the process of pairing and primary vs. The peer chassis exchange configuration and state information across the VSL and the VSS standby supervisor engine runs in hot VSS standby mode. Extension Mobility Redundancy High Availability. Cisco ASA stands for Cisco Adaptive Security Appliance. The level of resilience is referred to as active/passive or standby as backup components do not actively participate within the system during normal operation. Quad Cisco WLC 8540s and HA Looking to see if there is a way to get my four 8540s to HA together so if we have a site fail that has two of the controllers we can have the APs move to the 3rd or 4th box. The perfect state of a Cisco WLC cluster would be this: Local State: Active Peer State: STANDBY HOT Unit: Primary Redundancy State: SSO (Both AP and Client SSO). The new Cisco AIR-CT3504 wireless controller support High Availability with SSO (Stateful Switchover). Traditionally speaking we have the following mechanisms of redundancy available with Cisco WLC's - High Availability : With Primary, Secondary & Tertiary WLC configuration. The external power supply module requires 50-60 Hz frequency and AC 115-240 V input voltage for optimum performance. We are doing all that we can to meet the expected. To configure N+1 redundancy, you configure the primary controller field on all APs with the name of an active controller (WLC-A, for example). Cisco High Availability pair configuration I did this how to blog post to show the steps I took to configure 2x 5508 Wireless LAN Controllers as part of a High availability (HA) pair. Once, you check redundancy status using " show redundancy summary " & ensure everything is normal, you can failover traffic to this Unit (redundancy force-switchover CLI command on the active unit) & follow the same procedure on next Unit. Posts about Cisco WLC written by N. If you are hoping for HA SSO, both WLC must be L2 adjacent for redundancy port. By automating WLAN configuration and management functions, network managers have the control, security, redundancy, and reliability needed to cost-effectively scale and manage their wireless networks as easily as they scale and manage their traditional wired networks. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. If you have a custom installation, you will need to adjust these instructions appropriately. 3 HA AP SSO switch over with command redundancy force-switchover. In a VSS, supervisor engine redundancy operates between the VSS active and VSS standby chassis, using stateful switchover (SSO) and nonstop forwarding (NSF). In Cisco WiSM2, the redundancy VLAN must be configured on the Cisco Catalyst 6000 Supervisor Engine because there is no physical redundancy port available on Cisco WiSM2. I've added a Secondary WLC (WLC2) in my wireless lab in order to test out N+1 high availability with the Primary WLC1. 5)Existing WLC’s with fabric support, AP-SSO HA, reduced redundancy throughout migration In each of the above scenario the key point to note is what kind of redundancy the enterprise would like. Every HA-Node / WLC has its own IP address. Mgmt IP is no longer required to form a HA Pair; Redundancy Management as we know it from AireOS (additional IP per WLC from the same subnet as mgmt. Buy a Cisco 5508 Wireless LAN Controller and get great service and fast delivery. - credd144 Jun 12 '15 at 16:44 We use Cisco Prime to monitor/configure hundreds and hundreds of APs across multiple remote sites. It brings the best of wired and wireless technologies together while preserving investment on existing wired infrastructure. How to Use N+1 or N+N High availability on Cisco. High Availability Q. Ultimately, it is capable of 4Gbps of sustained throughput. I have a couple of Cisco WLC 5508 systems. Purchase Cisco Refresh AIRCT5508-250K9-RF Cisco Refurbished Original Part No : AIR-CT5508-250-K9 Cisco 5508 SeriesWirelessCntrllr upto 250 APs REMANUFACTURED from Cisco Shop in Abu Dhabi, Dubai, UAE JavaScript seems to be disabled in your browser. Version: 1. standby modes, Stateful Switchover (SSO), and finally, testing the completed wireless network. 2504 doesn't support AP SSO and Client SSO. In this Video Series Mohit explains about "How to configure and pair-up two different controllers in High Availability mode using CLI. It is important to put C9800 interface that we intend to use as a Redundancy Port L2 HA inter-vWLC link into a seperate, unused VLAN! Note that 'LAB-VM-L2-HA' Port Group sits in VLAN 666. Upgrade Cisco WLC and predownload image to AP by Administrator · May 4, 2016 Previously, we upgrade the WLC with the new image and when AP discovers controller with the new image, they all start downloading new image from controller, resets, goes into discovery mode and rejoins the controller. The video shows you how to partition your wireless network into multiple logical areas using AP Group and RF Profile features on Cisco Wireless LAN Controller. The video introduces you to the concept of wireless mesh on Cisco Wireless LAN Controller. The new architecture for HA is for box-to-box redundancy. As expected, the larger models (WLC 8500, 7500, 5760 etc) offer more high-speed gigabit network interfaces, high availability and some advanced features required in large & complex networks, for example supporting more VLANs and WiFi networks, thousands of AP & Clients per WLC device and more. Clear HA configuration of the current active 9800 WLC and force a redundancy switchover (It will reboot the current active 9800 WLC, it boots back up with HA configuration cleared) 16. Share & Embed. The process to upgrade a Cisco Wireless Lan Controller is quite straightforward but there are a few things you need to be aware of which can minimise the downtime for your wireless network. Redundancy Port. the Cisco 5508 WLC. When I rebooted the unit to disable the SSO (HA) mode, the wlc-ha unit thought that the wlc1 unit had failed. The Cisco ASA series delivers advanced threat protection and integrated security features. If you lose a tracked interface you deduct a specified amount of points from that group’s priority. N+1: Which is just another version of point 1;. Client SSO: clinet will move to secondary WLC without any interruption in case. I have never had the opportunity to set this up myself. This helps simplify the configuration of the WLC interface ports, increase available bandwidth between the wireless and wired network, provide load-balancing capabilities between physical WLC ports and increase port redundancy.