Cisco redundancy mode sso. 6. Cisco redundancy mode sso

 
6Cisco redundancy mode sso For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode

Standby failures = 0. Configuraties. Step 2: mode sso. Switch# show running-config. # redundancy Switch(config-red)# mode sso Switch(config-red)# end Switch# show redundancy states my state = 13 -ACTIVE peer. Step 5: redundancy. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE), Experimental Version 16. Step 4: mode sso. SSO checkpointing is the process of mirroring information between RPs. The SSO feature takes advantage of RP redundancy by establishing one of the RPs as the active RP while the other RP is designated as the standby RP, and then synchronizing critical state. . (See the “Performing a Software Upgrade” section on page 8-12. Enters global configuration mode. Enters redundancy configuration mode. When the redundant supervisor engine is inserted, the active supervisor engine detects its presence, and the redundant supervisor engine boots into a partially-initialized state in RPR mode and a fully-initialized state in SSO mode. Router# copy running. Step 4. Only the top two ports are. Router (config-red)# mode sso. 11 peer-redundancy-management 10. Redundancy may not work due to differences between the Cisco IOS. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. Switchover Time. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. mode SSO Router(config)# mode SSO. 149, you need to execute the following command in controller1 for redundancy mode: redun-management interface Vlan vlan-interface-no chassis chassis-number address ip-address chassis chassis-number address ip-addressAvailable system uptime = 6 weeks, 6 days, 5 hours, 2 minutes. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit. Active WLC 上で SSO の mode を disable にする. Enters redundancy configuration mode. Step 5. SSO is supported in Cisco IOS Release 12. Redundancy Mode (Operational) = sso . • 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. Usage Guidelines. Redundancy may not work due to differences between the Cisco IOS releases. A redundancy VLAN is connected to the redundant port on Cisco WiSM2 through the backplane. Step 5. Redundancy may not work due to differences between the Cisco IOS. you then add the SSO redundancy commands on the active supervisor and you can insert the prepared new supervisor. Enters redundancy configuration mode. (Operational) = sso Redundancy Mode. config redundancy mode sso. 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. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. What is redundancy mode SSO? 2. Configured Redundancy Mode = SSO. 1. Redundancy Mode Support in Cisco IOS Releases Platform Mode 12. NSF and SSO must be configured before attempting an ISSU. 05-25-2012 08:56 AM - edited ‎03-07-2019 06:54 AM. 3. What is RPR redundancy?. The processing of mirroring this information between route processors is known as checkpointing. The default mode for the Cisco 7500 series routers is HSA. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. 151. client_notification_TMR = 30000 milliseconds . (Operational) = sso Redundancy Mode. This step is complete when the chassis configuration is synchronized, as indicated by the Bulk sync succeeded message. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. Step 4 Router# show redundancy states Displays the operating redundancy mode. 48. Step 2: mode sso . 5. 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. Step 5. Current Processor Information :-----Active Location = slot 1/3 Current Software state = ACTIVE Uptime in current state = 23 hours, 58 minutes Image Version = Cisco IOS Software, s2t54 Software (s2t54. Communications = Up. 2. 3. Router# configure terminal. Cisco建议您熟悉Catalyst 9K交换机上的堆叠、堆叠式虚拟(SVL)和“捆绑包”与“安装”引导模式相关概念。. 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. Device(config-red)# mode sso: Configures stateful switchover. On the standby. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. Router#show redundancy Redundant System Information : ----- Available system uptime = 6 days, 4 hours, 17 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. Switch # 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 =. 5 and the other is running 3. SSO HSRP. Step 5. Step 6. 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. 7) Initiate the reset system self make sure that to verify all the AP's Up and Primary working fine. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Device# show redundancy Redundant System Information : ----- Available system uptime = 6 days, 5 hours, 28 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. The show redundancy and show issu state commands verify that redundancy mode is enabled and that SSO and NSF are configured. Step 3:. Step 4. 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. Step 1. Stateful Switchover (SSO) is a redundancy feature that allows a Cisco device with two route processors to synchronise router configuration and control plane state information. I try to setup HA with SSO with 2x WLC 5520 version 8. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 2. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Example: Device(config-red)# mode sso: Configures stateful switchover. 48. Enter configuration commands, one per line. Note After configuring SSO mode, the standby RP will automatically reset. 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. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Step 4: show running-config Example: Enters redundancy configuration mode. Router(config)# mode sso. 61 /22. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. Router (config-red)# end. If it is in ROMMON, try boot with manual "boot" command. 6) once you accessible check the Redundancy summary. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Hope that helps! -Bradley Selzer. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :----- Active Location = slot 2. 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. SSO is supported in Cisco IOS Release 12. Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115Operating Redundancy Mode = RPR. debug redundancy {infra | facilitator. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. 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. Step 4: mode sso. End with CNTL/Z. The system has experienced 4 switchovers. Example: Device(config-red)# end: Exits redundancy configuration mode and. End with CNTL/Z. The mode sso command can be entered only from within redundancy configuration mode. 2(20)EWA 以降のリリースでサポートされます。. Enters redundancy configuration mode. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. exit Router(config)# exit. restart the Wireless controller in maintenance mode. 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. When two versions of Cisco IOS images are involved, the command sets supported by two images might differ. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine. 3 255. Step 2 Router(config-red)# mode sso Configures SSO. If any of those mismatched commands are executed on the active switch, the standby. SSO-The show module command displays Hot. Now if the HA unit is indeed an HA sku, then you don't need to have any license and all you have to do is enable secondary unit: config redundancy unit secondary. Configures SSO. Learn more about how Cisco is using Inclusive Language. The sku on the box for the HA should have this part number: air-ct5508-ha-k9. Stateful Switchover is particularly useful in conjunction with Nonstop Forwarding. Router(config-red)# end. Redundancy may not work due to differences between the Cisco IOS releases. Sets the redundancy configuration mode to SSO on both the active and standby RP. Step 4. 2016-10-12 10:10 AM ‎2017-09-01 03:01 AM 更新. The processing of mirroring this information between route processors is known as checkpointing. Configured Redundancy Mode = RPR. 2. Both controllers reboot and pair up in the SSO mode. Enters redundancy configuration mode. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. The Broadband High Availability Stateful Switchover feature allows you to configure subscriber redundancy policies that tune the synchronization process. x. The mode sso command can be entered only from within redundancy configuration mode. The ISSU feature allows deployment of new features, hardware, services, and maintenance fixes in a procedure that is seamless to end users. 2(20)EWA and later releases. 2(20)EWA and later releases. SSO provides RP redundancy by establishing one of the RPs as the active processor and the other RP as. 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. Supervisor Module Redundancy. end. 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. Step 6. Router(config-red)# end. mode sso. 1 onwards, the method to configure the gateway IP. Device# show redundancy Redundant System Information : ----- Available system uptime = 6 days, 5 hours, 28 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current. The mode sso command can be entered only from within redundancy configuration mode. Once config is bulk-synced the primary unit is now in HOT STANDBY. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 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. From Cisco IOS XE Amsterdam 17. Example: Device(config-red)# mode sso: Configures stateful switchover. • 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. RPR+-The show module command displays Warm. 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. mode sso. 131. 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. %HA-5-MODE:Operating mode is sso, configured mode is sso. 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. end. Step 7: mode sso. Step 2: mode sso. The SSO/ISSU feature supports only the Cisco ASR 1000 Series Aggregation Services Routers intrachassis (RP-to-RP) SSO, but not the interchassis (Cisco ASR1K-to-Cisco ASR1K) SSO. 150. redundancy. Cisco StackWise Virtual operates stateful switchover (SSO) between the active and standby switches. Router# show redundancy states. 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. 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. Step 4: show running-config Example: Router# show redundancy Operating mode is sso redundancy mode sso hw-module slot 6 image disk0:rsp-pv-mz hw-module slot 7 image disk0:rsp-pv-mz Active in slot 6 Standby in slot 7 The system total uptime since last reboot is 2 weeks, 23 hours 41 minutes. Step 5. When a failover occurs, the standby device seamlessly takes over, starts performing traffic forwarding services, and maintains a dynamic routing table. When we simulate a problem by powering off the Active Controller, the standby controller will reboot, all of our APs loose. exit 6. To reload the standby switch if a parser return code (PRC) failure occurs during configuration synchronization, use the policy config-sync reload command in redundancy configuration. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Version 7. mode sso. Redundancy may not work due to differences between the Cisco IOS releases. SSO は、Cisco IOS Release 12. Step 7: end. Redundancy may not work due to differences between the Cisco IOS releases. 2(20)EWA and later releases. Displays the operating redundancy mode. 5) Bring up only one Gig interface and try to access it. On the Cisco 8500 Series Catalyst Edge Platform, Stateful Switchover (SSO) can be used to enable a second IOS process. 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. (Operational) = sso Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115 client_notification_TMR = 30000 milliseconds RF debug mask = 0x0 Device# show. Hardware redundancy on the Cisco ASR 1000 Series Routers gives users the following benefits: A failover option—If a processor fails, the standby processor immediately becomes the active processor with little or no delay. 4. 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. To. 3. Uptime in current state = 4 days, 21 hours, 27 minutesYes you need the RP in order to build SSO. While implementing Nonstop Forwarding (NSF) technology in systems using SSO. Step 4. Since we couldnt afford downtime I rebooted standby controller that was in maintenance mode and it was able to boot in sso redundant mode. The mode sso command can be entered only from within redundancy configuration mode. Table 13-5 details the redundancy modes you can configure on supported switch platforms. Note Enabling SSO initiates a controller reboot. Step 4. To reload the standby switch if a parser return code (PRC) failure occurs during configuration synchronization, use the policy config-sync reload command in redundancy configuration. If the. The problem is a version mismatch. In our example we are using the following IP addresses: WLC Active. Operating Redundancy Mode = rpr. 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. 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. 254. Router# show redundancy Redundant System Information :-----Available system uptime = 1 hour, 0 minutes Switchovers system experienced = 0 Standby failures = 1 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Step 3. Step 2. 2(20)EWA and later releases. 6. . Check if Switches are in SSO Mode 5. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. x(Catalyst 9200 スイッチ)コマンドリファレンス. On primary controller, disable SSO using the command: Config redundancy mode disable The Active and Standby WLCs. Connected to network with 4x10G links. Step 5. 2(20)EWA and later releases. 2(20)EWA and later releases. 131. SSO Operation. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Cisco NSF helps to suppress routing flaps in SSO-enabled devices, thus reducing network instability. When an RP is active and the other RP is standby, SSO enables the standby RP to take over if the active RP fails. The configuration on the active controller is synched to the standby controller via the redundant port. Router# copy running. One switch is running 3. 4) Once WLC is back verify the Boot image version is matching with the Primary. Catalyst 4500/4500-X series switches' VSS does not support route processor redundancy (RPR) mode. Switch(config)# redundancy Switch(config-red)# mode sso Switch(config-red)# end Switch# show redundancy Redundant System Information : -----Available system uptime = 2 days, 2 hours, 39 minutes Switchovers system experienced = 0. 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. Sets the router in SSO redundancy mode. 2(20)EWA and later releases. Example: Device(config-red)# mode sso: Configures stateful switchover. Cisco 5500 Series WLCs . Redundancy Mode (Configured) = sso . Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up. 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 =. 2(20)EWA and later releases. 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 the switch is configured for SSO mode, and the active RP fails before the standby is ready toLACP and PAGP is not supported in HA mode in releases until, and including, Cisco IOS XE Gibraltar 16. Configure SSO redundancy mode at this time. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. You can configure an n+1 redundant mode. 2(20)EWA and later releases. EMD EARLY DEPLO. My routers only show redundancy mode as none. mode sso. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. Router# copy running-config. RPR redundancy mode is used. Router(config-red)# end. 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. configure redundancy mode ssoEnters redundancy configuration mode. 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. 0 を. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :-----Active Location = slot 5 Current Software state = ACTIVE Uptime in current state = 6 days, 5 hours, 28 minutes Image Version = Cisco IOS Software, Catalyst L3 Switch Software Cisco NSF は、SSO 対応のデバイスにおけるルーティング フラップを抑止することによって、ネットワークの安定性を保ちます。 Cisco NSF と SSO により、スイッチオーバー後にルーティング プロトコル情報が復元される間も、既知のルートでデータ パケットの. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 6. Step 5. Cisco StackWise Virtual Redundancy. 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. Configures SSO. client count = 109 . Step 3. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. SSO is supported in Cisco IOS Release 12. RF debug mask = 0x0. Cisco IOS XE Bengaluru 17. Description. Remove SSO HA Configuration: 5. 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. This feature is not supported on the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst 9500 Series Switches. 5. Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :-----Active Location = Switch 2 Current Software state =. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. Recovery Mode Yes Yes Default GW Check Yes Yes LACP, PAGP with SSO No Yes SMU for controller patching No Yes. . . Step 6. Cisco Stateful Switchover (SSO) is one of the redundancy mechanisms used in networking. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the to support SSO mode. Enter application redundancy mode. mode sso. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. Step 6: mode sso. 1. Route Processor Redundancy is supported only on routers that support dual RSPs. Router#show redundancy Redundant System Information : ----- Available system uptime = 6 days, 4 hours, 17 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. Step 5. Once you get them on the same version, you will be able to get to SSO. mode 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 =. To reload a single supervisor in the Quad-Supervisor setup enter the hw-module switch switch-number subslot subslot-number oir power-cycle command in privileged. I performed a failover test (by executing command "redundancy force-switchover" and after the standby controller rebooted, HA seems to no longer be working: From active controller. Verifies that SSO is enabled. Example: Device(config-red)# mode sso: Configures stateful switchover. Redundancy Mode = SSO ENABLED. 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 = 23 hours, 52 minutes Image Version = Cisco IOS Software [Fuji], Catalyst L3 Switch Software. Sets the redundancy configuration mode to SSO on both the active and standby RP. Usage Guidelines. Example: Device(config-red)# exit: Exits redundancy. running with image version 8. Refer to the Catalyst 4500 Series Switch Cisco IOS Command Reference and related publications. Cisco NSF works with the SSO feature. 2(20)EWA and later releases. Local State = ACTIVE. Switchover Process Restrictions † If any changes to the fabric configuration happen simultaneously with an RP switchover, the chassis is reset and all line cards are reset. Step 6. When this command is entered, the standby switch is reloaded and begins to work in SSO 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. The Cisco Nexus 9504, 9508, 9516,. Enters redundancy configuration mode. NSF Operation. #sh redundancy Redundant System Information :-----Available system uptime = 6 days, 17 hours, 12 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Simplex Configured Redundancy Mode = sso Operating Redundancy Mode = Non-redundant Maintenance Mode =. Check the Current ISSU and Install States 7. 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. Step 4. The processing of mirroring this information between route processors is known as checkpointing. 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. † Software upgrade. 48. Router# show redundancy Operating mode is sso redundancy mode sso hw-module slot 6 image disk0:rsp-pv-mz hw-module slot 7 image disk0:rsp-pv-mz Active in slot 6 Standby in slot 7 The system total uptime since last reboot is 2 weeks, 23 hours 41. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. 0. 102. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. insrc-redundant. Enters redundancy configuration mode. Sets the redundancy configuration mode to SSO on both the active and standby RP. License for 100 APs, 96 APs in use. SSO Operation SSO is supported in Cisco IOS Release 12. To enter the redundancy main configuration submode and enable the standby switch, use the main-cpu command in redundancy configuration mode. Reason: Software version. Step 5. (Optional) Ensure network connectivity. Step 4. Step 6. Step 4: show running-config Example:Router# show redundancy Operating mode is sso redundancy mode sso hw-module slot 6 image disk0:rsp-pv-mz hw-module slot 7 image disk0:rsp-pv-mz Active in slot 6 Standby in slot 7 The system total uptime since last reboot is 2 weeks, 23 hours 41 minutes. Usage Guidelines. Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up. Redundancy may not work due to differences between the Cisco IOS releases. The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. 2. SSO redundancy mode provides all the functionality of RPR+ mode in that IOS software is fully initialized on the both RSPs. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. 133,稱為WLC2。. When the controller works as a host for spanning tree, ensure that you configure portfast trunk in the uplink switch using. Information About Redundancy. Step 3:. mode sso. Router(config)# mode sso.