The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any given time, while. 151. Cisco StackWise Virtual Redundancy. SSO-The show module command displays Hot. Switchover Time. Step 5. Step 5. The mode sso command can be entered only from within redundancy configuration mode. Step 9: router bgp autonomous-system-number. mode sso. We have an SSO HA implementation with 2x 5520 (both AIR-CT5520-K9), software version 8. Step 5:. SSO is supported in Cisco IOS Release 12. The mode sso command can be entered only from within redundancy configuration mode. %HA-5-MODE:Operating mode is sso, configured mode is sso. x. If SSO mode cannot be established between the active and standby switches because of an incompatibility in the configuration file, a mismatched command list (MCL) is generated at the active switch and a reload into route processor redundancy (RPR) mode is forced for the standby switch. Step 5: end. redundancy Router(config)# redundancy. Sets the redundancy configuration mode to SSO on both the active and standby RP. The switch is. 05-25-2012 08:56 AM - edited 03-07-2019 06:54 AM. 2(20)EWA and later releases. Sets the redundancy configuration mode to SSO on both the active and standby RP. Step 5. Enters redundancy configuration mode. The system has experienced 4 switchovers. The following is a sample output of the show redundancy rpr command run on the Cisco StackWise Virtual active supervisor:SSO is supported in Cisco IOS Release 12. Step 5. Stateful Switchover enabled routers will always checkpoint line card. 48. Maintenance Mode = Disabled . (Cisco Controller) >show redundancy summary. . Router# copy running. The redundancy explained in this article is 1:1, which means that one of the units operates in Active state while the other operates in Hot Standby state. Verifies that SSO is enabled. High Availability SSO Deployment Guide for Cisco Catalyst 9800 Series Wireless Controllers, Cisco IOS XE Amsterdam 17. With a Supervisor Engine 720, if all the installed switching modules have DFCs, enter the fabric switching-mode allow dcef-only command to disable the Ethernet ports on both supervisor engines, which ensures that all modules are operating in dCEF mode and simplifies switchover to the redundant supervisor engine. The time required by the device to switch over from the active RP to the standby RP varies by platform: Although the newly active processor takes over almost immediately following a switchover, the time required for the device to begin operating again in full redundancy (SSO) mode can be several minutes, depending on the platform. It is setup in the below settings but I am not running a pair of these switches. Redundancy Mode (Operational) = sso . When two versions of Cisco IOS images are involved, the command sets supported by two images might differ. Solved: Hi, I need help to get a HA SSO setup running. On the standby controller, re-enter the correct IP addresses corresponding to the management and dynamic interfaces. 3. Redundant System Information : Available system uptime = 53 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = noneCisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Cupertino 17. Configures SSO. Switches can run multiple route processors (supervisors) in 3 modes: RPR (Route Processor Redundancy) RPR+ (Route Processor Redundancy plus) SSO (Stateful Switchover) While RPR was the 1 st one to be introduced, RPR+ came in later and the latest offering was SSO. HANDY#show redundancy Redundant System Information : ----- Available system uptime = 1 hour, 50 minutes Switchovers system experienced = 2 Standby failures = 0 Last switchover reason = active unit removed Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. 1. The Supervisor 7-E card has four uplink ports on its front panel. Cisco Stateful Switchover (SSO) is one of the redundancy mechanisms used in networking. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit Router# reload Stateful Switchover. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. Router(config-red)# mode sso. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the switches in the stack to support SSO mode. Step 5. Further, if the active RP fails, no change occurs to the HSRP group itself and traffic continues to be forwarded through the current active gateway device. Device # show redundancy Redundant System Information : ----- Available system uptime = 6 days, 9 hours, 23 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = not known Hardware Mode = Simplex Configured Redundancy Mode = SSO Operating Redundancy Mode = SSO Maintenance Mode =. 0. With RPR, the backup supervisor engine is partially initialized and. Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. The device supports fault resistance by allowing a standby switch to take over if the active device becomes unavailable. If a switch is configured for SSO mode, then stand-by supervisor engine stops at " FIB table synchronization". Redundancy may not work due to differences between the Cisco IOS releases. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the supervisor modules to support SSO mode. running with image version 8. SSO HSRP. 10. You can use the switch switch-number role command to set the active and standby switch in 1:1 stack mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. C6807-XL#show redundancy Redundant System Information :----- Available system uptime = 21 hours, 41 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Simplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Enters redundancy configuration mode. Enters redundancy configuration mode. Supervisor engine redundancy allows OIR of the redundant supervisor engine for maintenance. 10. This example shows how to set the redundancy mode to SSO: Device (config)# redundancy Device (config-red)# mode sso Device (config. 9. Step 5. Configuration Examples for DHCP High. in my case it was secondary. 56. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. 5 and the other is running 3. x. For information about the in-chassis standby supervisors, enter the show redundancy rpr command in privileged EXEC mode on the Cisco StackWise Virtual active supervisor. If any of those mismatched commands are executed on the active switch, the standby. I tried to switch on SSO mode on both wlc 5520. To. Cisco SSO (frequently used with NSF) minimizes the time a network is unavailable to its users following a switchover while continuing to forward IP packets. Enters redundancy configuration mode. 151. Sw-4510R (config-red)#>redundancy Sw-4510R (config-red)#mode sso Changing to sso mode will. Router(config-red)# end. Check the Boot Mode 3. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. Go to solution. The following are the ways in which Cisco StackWise Virtual's. Step 4: mode sso. 6. CiscoStackWiseVirtualRedundancy 15 SSORedundancy 15 NonstopForwarding 16 MultichassisEtherChannels 16 MECMinimumLatencyLoadBalancing 16 MECFailureScenarios 17. Step 6. Check if There is Sufficient Available Memory on Flash 4. Note After configuring SSO mode, the standby RP will automatically reset. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the supervisor modules to support SSO mode. Chapter 5 Configuring Supervisor Engine Redundancy Using RPR and SSO About Supervisor Engine Redundancy SSO supports stateful switchover of the following Layer 2 features. (See the “Performing a Software Upgrade” section on page 8-12. Sets the redundancy configuration mode to SSO on both the active and standby RP. mode sso. Once the WLCs are back up then go ahead and reconfigure the HA AP-SSO on the Controller by issuing the following command: Controller>config redundancy mode sso. Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :----- Active Location = slot 1 Current Software state = ACTIVE Uptime in current state = 30 minutes Image Version = Cisco IOS Software [Fuji], Catalyst L3 Switch Software (CAT9K_IOSXE), Version 16. Switch(config-red)# end. Step 3. see. The show redundancy and show issu state commands verify that redundancy mode is enabled and that SSO and NSF are configured. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non Redundant. One switch is running 3. 11 peer-redundancy-management 10. show redundancy Redundant System Information :-----Available system uptime = 11 hours, 31 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none. restart the Wireless controller in maintenance mode. A critical component of SSO and Cisco HA technology is the cluster control manager (CCM) that manages session re-creation on the standby processor. What is redundancy mode? 3. 4 allows the access point (AP) to establish a CAPWAP tunnel with the Active WLC and share a mirror copy of the AP database with the Standby WLC. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. Redundancy may not work due to differences between the Cisco IOS releases. This step is complete when the chassis configuration is synchronized, as indicated by the Bulk sync succeeded message. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. The mode sso command can be entered only from within redundancy configuration mode. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. Cisco IOS Nonstop Forwarding (NSF) always runs with stateful switchover (SSO) and provides redundancy for Layer 3 traffic. Enter configuration commands, one per line. Example: Device(config-red)# mode sso: Configures stateful switchover. Configured Redundancy Mode = SSO Operating Redundancy Mode = SSO Maintenance Mode = Disabled Communications = Down Reason: Simplex mode Current Processor Information :-----Active Location = slot 1 Current Software state = ACTIVE Uptime in current state = 6 days, 9 hours, 23 minutes Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 3 Device # show redundancy Redundant System Information : ----- Available system uptime = 6 days, 9 hours, 23 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = not known Hardware Mode = Simplex Configured Redundancy Mode = SSO Operating Redundancy Mode = SSO Maintenance Mode = Disabled Communications = Down. Note Enabling SSO initiates a controller reboot. SSO pair connected to upstream HSRP active and standby and RP connected via upstream setNow, let’s focus on Cisco SSO Configuration and learn how to configure SSO on Cisco routers. The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any. 1. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Step 1. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. 1. Step 3. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven pput ower supply modules). There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. 12. Enters redundancy configuration mode. The Virtual Redundancy Routing Protocols (VRRP) is not SSO-aware, meaning state information is not maintained between the active and standby switches during normal operation. The software upgrade procedure supported by supervisor engine redundancy allows you to reload the Cisco IOS software image on the redundant supervisor engine, and once complete, reload the active supervisor engine. RTR02-Sec#sh redundancy. config redundancy mode sso. The default mode for the Cisco uBR10012 universal broadband router is SSO. From both WLC GUIs or CLIs, one can perform simple connectivity tests,. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the switches in the stack to support SSO mode. config redundancy mode sso. Router(config-red)# end. 170 West Tasman Drive. Example: Device(config-red)# exit: Exits redundancy. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the supervisor modules to support SSO mode. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. [Redundancy Detail] ページが表示されます。 ステップ 10 [Monitor] > [Redundancy] > [Statistics] を選択し、HA ペアの冗長統計情報を表示します。 [Redundancy Statistics] ページが表示されます。 ステップ 11 : 次の手順に従って、ピア ネットワーク ルートを設定します。3. Step 4. SSO Operation SSO is supported in Cisco IOS Release 12. NSF and SSO must be configured before attempting an ISSU. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE), Experimental Version 16. General Restrictions Two RPs must be installed in the chassis, each running the same version of the Cisco IOS software. We have two Cisco WLC 8540 in HA pair. Check if There is Sufficient Available Memory on Flash 4. The Cisco RF Gateway 10 Supervisor Engine 7-E uplink ports are not recommended for data or management traffic in Supervisor Redundancy Mode. スタック構成をしているものは電源を片方の電源を抜くとトラップはとぶのですが. The mode sso command can be entered only from within redundancy configuration mode. Version 7. mode sso. Route Processor Redundancy (RPR) refers to the provision of support for the redundancy feature. Cisco Employee. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. end. Verifies that SSO is enabled. Communications = Up. hw-switch switch 1 logging onboard message level 3 redundancy mode sso The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. 3. The SSO HSRP feature enables the Cisco IOS HSRP subsystem software to detect that a standby RP is installed and the system is configured in SSO redundancy mode. Further, if the active RP fails, no change occurs to the HSRP group itself and traffic continues to be forwarded through the current active gateway device. In specific Cisco networking devices that support dual RPs, SSO takes advantage of RP redundancy to increase network availability. 48. The default standby power supply slot is PS8. Service-Port: 192. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. What is redundancy mode SSO? 2. 1 Disabling SSO on HA Pair 1 On primary controller, disable SSO using the command: config. Step 5: Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco IOS library. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit. Router(config-red)# end. I am seeing the SSO is established. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. Step 4: mode SSO Example: Router(config)# mode SSO: Configures SSO. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating. 5. Router> enable. Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. The mode sso command can be entered only from within redundancy configuration mode. In dit voorbeeld is de stateful switchover (SSO) met hoge beschikbaarheid (HA) geconfigureerd tussen twee 9800-CL-instanties, die dezelfde Cisco IOS-softwareversie uitvoeren, die geconfigureerd zijn met gescheiden WMI's en met GUI die toegankelijk is op. While implementing Nonstop Forwarding (NSF) technology in systems using SSO. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. Displays the operating. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. When a standby supervisor engine runs in SSO mode, the standby supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. SSO is supported in Cisco IOS Release 12. 131. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. In this CCNP ENCOR lesson, we will focus on this redundancy mechanism. Step 3 Router# show running-config Verifies that SSO is enabled. Step 5. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . 5. auto-sync standard. auto-sync startup-config. . What is RPR redundancy?. Hardware Mode = Duplex. It is not recomended to configure RA (Registration Authority) as it is not validated. The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. Step 4: mode sso. Usage Guidelines. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven power supply modules). SSO is supported in Cisco IOS Release 12. end. Router# copy running. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. The mode sso command can be entered only from within redundancy configuration mode. Usage Guidelines. 61 /24. This example shows how to set the redundancy mode to SSO: Device(config)# redundancy Device(config-red)# mode sso Device(config-red)# policy config-sync prc reload. Redundancy configuration (config-red)This command supports Route Processor Redundancy (RPR) with the Cisco uBR10012 router. Further, if the active RP fails, no change occurs to the HSRP group itself and traffic continues to be forwarded through the current active gateway device. With NSF/SSO, peer networking devices do not experience routing flaps. 255. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 1. Router(config-red)# end. Configures SSO. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. Redundancy may not work due to differences between the Cisco IOS releases. 39. auto-sync running-config. 5) Bring up only one Gig interface and try to access it. Configure redundancy with RMI + RP pairing. Example: Device(config-red)# mode sso: Configures stateful switchover. Router# copy running-config. e. Operating Redundancy Mode = RPR. (NSF) with a stateful switchover (SSO) when a supervisor-level failure occurs. Note Enabling SSO initiates a controller reboot. SSO also synchronizes critical state information. 168. On primary controller, disable SSO using the command: Config redundancy mode disable The Active and Standby WLCs. 12. Book Contents Book Contents. Switchovers system experienced = 0. Enters redundancy configuration mode. EMD EARLY DEPLO. SSO is supported in Cisco IOS Release 12. 39. . Step 5: redundancy. Are these switches setup in this manner by default? Can the redundancy be disabled if I am not going to use redundancy? What are the commands to disable redundancy? switch 1 provision ws-c3850-48p. In our example we are using the following IP addresses: WLC Active. 08. 6) once you accessible check the Redundancy summary. Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115Operating Redundancy Mode = RPR. To enter the redundancy main configuration submode and enable the standby switch, use the main-cpu command in redundancy configuration mode. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the switches in the stack to support SSO mode. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. 48. 3 255. There is no way i can change it to redundancy mode SSO. 4. Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Example: Device (config-red)# mode sso: Configures SSO. Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Both RPs must run the same Cisco IOS image. To enable Cisco StackWise Virtual on a switch, use the stackwise-virtual command in the global configuration mode. The available power is the total power capacity of all power supplies. 56. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). Remove SSO HA Configuration: 5. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. Router (config-red)# mode sso. Step 2. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine. Management: 192. mode sso. Note Use the show redundancy and show issu state commands throughout the upgrade to verify the status of the upgrade. Step 6. configure redundancy mode ssoEnters redundancy configuration mode. Configures SSO. mode sso. Note After configuring SSO mode, the standby RP will automatically reset. Router(config)# mode sso. Hardware Mode = Duplex. sso not available as redundancy mode option Go to solution Scott Chauncey Beginner Options 11-01-2012 01:23 PM - edited 03-07-2019 09:48 AM Any idea why rpr. Step 3. This feature also functions in an nonstop forwarding (NSF) and stateful switchover (SSO) environment. Example: Device (config-red)# mode sso: Configures SSO. Step 5. What can be the reason. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the switches in the stack to support SSO mode. 1. Recovery Mode Yes Yes Default GW Check Yes Yes LACP, PAGP with SSO No Yes SMU for controller patching No Yes. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. Check the Boot Mode 3. For more information, see Chapter 1, “Route Processor Redundancy (RPR). When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Enters redundancy configuration mode. Example: Device(config-red)# mode sso: Configures stateful switchover. Information About Redundancy. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE),Experimental Version 16. High availability SSO is setup and is working good. The active pseudowire. x. 63 /22. Example: Router(config-red-app-grp)#name cube-ha. Catalyst 4500 series switches allow a standby supervisor engine to take over if the active supervisor engine fails. Step 4: mode sso. Step 5: exit. Example: Device(config-red)# mode sso: Configures stateful switchover. Here are the steps: Step 1 Clear the offending configuration (that caused an MCL) while the standby supervisor engine is in standby cold (RPR) state. When this command is entered, the standby supervisor module is reloaded and begins to work in SSO mode. The configuration on the active controller is synched to the standby controller via the redundant port. The sku on the box for the HA should have this part number: air-ct5508-ha-k9. 2(20)EWA and later releases. Router # Answer: In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. In this step, the VSS standby chassis reboots, reloads with the new image, and initializes as the VSS standby chassis in SSO redundancy mode, running the new image. Configuraties. SSO redundancy mode provides all the functionality of RPR+ mode in that IOS software is fully initialized on the both RSPs. The mode sso command can be entered only from within redundancy configuration mode. 255. mode SSO 5. Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. Usage Guidelines. 2(20)EWA and later releases. Stateful Switchover is particularly useful in conjunction with Nonstop Forwarding. Hope that helps! -Bradley Selzer. Enters redundancy configuration mode. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Enters redundancy configuration mode. mode sso. Check if Switches are in SSO Mode 5. Displays the operating redundancy mode. 150. Step 4. Returns to EXEC mode. Communications = Up . Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Step 4. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. redundancy 4. If SSO mode cannot be established between the active and standby switches because of an incompatibility in the configuration file, a mismatched command list (MCL) is generated at the active switch and a reload into route processor redundancy (RPR) mode is forced for the standby switch. Enters redundancy configuration mode. Step 3: redundancy Example: Router(config)# redundancy Enters redundancy configuration mode. Step 4. 59. Enters redundancy configuration mode. In an HA environment using FlexConnect locally switched clients, the client information might not show the username. 3SE (Catalyst 3850 Switches) 8 OL-30686-01. The system has experienced 4 switchovers. If the router is configured for SSO mode, and the active RP fails before the standby is ready to switch over, the router will recover through a full system. end. 2(20)EWA and later releases. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. mode sso. 2. This feature is not supported on the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst 9500 Series Switches. Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Consolidated Platform Configuration Guide, Cisco IOS XE 3. 3 allows the AP to establish CAPWAP tunnel with Active WLC and share mirror copy of AP database with Standby WLC. 0(22)S. The SSO model monitors the health of the active controller via a redundant (HA) port. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. The processing of mirroring this information between route processors is known as checkpointing. If controller1 is configured with 9. Standby として動作していた WLC のポートを変更するか、コンフィグの初期化する. Router# show redundancy states. ASR は2種類のRP redundancy modeがあります。 RPR Route Processor Redundancy とSSO Stateful Switchover になります。 RPR を使用すると、スタンバイ RP を設定することができます。RPR を設定する場合、 スタンバイ RP はブートアップ時に Cisco IOS ソフトウェアをロードし、スタンバイ モードで自身を初期化します. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. Step 4 Router# show redundancy states Displays the operating redundancy. Specify a standby slot, by entering the power redundancy-mode redundant n+1 standby-PSslot command.