Cisco redundancy mode sso. (Operational) = sso Redundancy Mode. Cisco redundancy mode sso

 
 (Operational) = sso Redundancy ModeCisco redundancy mode sso  Exits redundancy configuration mode and returns the switch to privileged EXEC mode

2(20)EWA and later releases. 168. In an HA environment using FlexConnect locally switched clients, the client information might not show the username. For WLC 1, go to Monitor > Redundancy > Summary: b. reload Table 7-3 Software Redundancy Options for Cisco ASR 1002 and 1004 Routers Router Default HA Setting Options with 2 GB or DRAM Options with 4 GB or DRAM Cisco ASR 1002 Router None None None, RPR, SSO Cisco ASR 1004 Router None None None, RPR, SSO2 つの Cisco Wireless Services Module 2(WiSM2)プラットフォーム間の HA を実現するには、コントローラを単一のシャーシに配置するか、仮想スイッチング システム(VSS)を使用してリダンダンシー VLAN を複数のシャーシ間に拡張することで、複数のシャーシに配置する必要があります。3. RTR02-Sec#sh redundancy. 在本示例中,高可用性 (HA)状态切换 (SSO)配置在运行相同Cisco IOS软件版本的两个9800-CL实例之间,这些实例已配置有独立的WMI,且可在以下位置访问 GUI: 第一个地址为IP地址10. 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. Configured Redundancy Mode = RPR. Router(config-red)# end. auto-sync config-register. License for 100 APs, 96 APs in use. 2(20)EWA and later releases. Example: Router(config)# router bgp 1000Example: Enabling 1:1 Redundancy Stack Mode; Example: Disabling 1:1 Redundancy; Example: Enabling 1:1 Redundancy Stack Mode. This step is complete when the chassis configuration is synchronized, as indicated by the Bulk sync succeeded message. redundancy Router(config)# redundancy. Enters redundancy configuration mode. Enter application redundancy mode. ※ このドキュメントでは AireOS 8. Example: Device(config-red)# mode sso: Configures stateful switchover. 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. 2(20)EWA and later releases. Example: Device(config-red)# mode sso: Configures stateful switchover. Connect the network ports. 2(20)EWA and later releases. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit Router# reload Stateful Switchover. 6) once you accessible check the Redundancy summary. SSO on the other hand is fully initialized. Step 5. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 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. 6. 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 =. The default mode for the Cisco uBR10012 universal broadband router is SSO. their Capwap tunnel, APs and clients get disconnected. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating. end. Configures SSO. With RPR+, the redundant supervisor engine is fully initialized and configured, which shortens the. Redundancy may not work due to differences between the Cisco. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 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. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. 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. Redundancy may not work due to differences between the Cisco. 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. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. NSF with SSO supports IP Version 4 traffic and protocols only; NSF with SSO does not support IPv6 traffic. Note After configuring SSO mode, the standby RP will automatically reset. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit Router# reload Stateful Switchover. Step 5 . config redundancy mode 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. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. Step 5. Step 8: exit. 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. Step 4: mode sso. 11 peer-redundancy-management 10. 255. There is no way i can change it to redundancy mode SSO. reload Table 7-3 Software Redundancy Options for Cisco ASR 1002 and 1004 Routers Router Default HA Setting Options with 2 GB or DRAM Options with 4 GB or DRAM Cisco ASR 1002 Router None None None, RPR, SSO Cisco ASR 1004 Router None None None, RPR, SSO3) Issue the reset system. The default mode for the Cisco 7500 series routers is HSA. Cisco NSF with SSO allows for the forwarding of data packets to continue along known routes while the routing protocol information is being restored following a switchover. Step 6. Step 4. Step 2. Permanent Virtual Circuits For ATM to support forwarding during and after switchover, ATM permanent virtual circuits (PVCs) must remain up not only within the networking device, but also within the ATM network. x(Catalyst 9200 スイッチ)コマンドリファレンス. after reboot ASR can used single processer but, when I show redundancy configure still mode sso I used in config t and redundancy and default-exit and enter and save non reboot after then show config again config in redundacy mode noneUse the power redundancy-mode {combined. 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. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 05-25-2012 08:56 AM - edited ‎03-07-2019 06:54 AM. When the controller works as a host for spanning tree, ensure that you configure portfast trunk in the uplink switch using. Enters redundancy configuration mode. When this command is entered, the standby switch is reloaded and begins to work in SSO 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. Redundancy may not work due to differences between the Cisco. 0. The processing of mirroring this information between route processors is known as checkpointing. Usage Guidelines. The state of these features is preserved between both the active and standby. The following are the ways in which Cisco StackWise Virtual's. Step 5. Standby failures = 0. Operating Redundancy Mode = rpr. (See the “Performing a Software Upgrade” section on page 8-12. They will reboot again. Check the Boot Mode 3. 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. 10. 12. 配置. . High availability SSO is setup and is working good. Router(config)# mode sso. The redundancy port and the redundancy VLAN in Cisco WiSM2 are assigned an automatically generated IP address in which the last two octets are obtained from the last two octets of the RMI. SSO HSRP. Example: Device(config-red)# end: Exits redundancy configuration mode and. Redundancy may not work due to differences between the Cisco IOS releases. Step 2: mode sso. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. Enters redundancy configuration mode. Step 5. redundancy mode sso. On the standby. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 48. 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. show redundancy Redundant System Information :-----Available system uptime = 11 hours, 31 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none. Note After configuring SSO mode, the standby RP will automatically reset. 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. On the Cisco 8500 Series Catalyst Edge Platform, Stateful Switchover (SSO) can be used to enable a second IOS process. SSO HSRP. Configured Redundancy Mode = sso. >> configure the IP of the redundancy management interface with: config interface address redundancy-management <new IP > <new IP for the peer redundancy management interface> This needs to be done on both of them using the console connection and then enable the SSO again as: >> config redundancy mode sso. 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. end. Step 3 Router# show running-config Verifies that SSO is enabled. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. The mode sso command can be entered only from within redundancy configuration mode. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE), Experimental Version 16. Redundancy may not work due to differences between the Cisco IOS. Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 3 850 L3 Switch Software (CAT3850-UNIVERSALK9-M), Version 03. 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. Step 5: end. . Redundancy may not work due to differences between the Cisco IOS releases. 90. 151. The mode sso command can be entered only from within redundancy configuration mode. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Enters redundancy configuration mode. Usage Guidelines. 1. Once you get them on the same version, you will be able to get to SSO. SSO is supported in Cisco IOS Release 12. x. With NSF/SSO, peer networking devices do not experience routing flaps. To enable Cisco StackWise Virtual on a switch, use the stackwise-virtual command in the global configuration mode. On the standby controller, re-enter the correct IP addresses corresponding to the management and dynamic interfaces. Cisco recommends that you are familiar with stacking, stackwise-virtual (SVL), and "bundle" Vs "install" boot mode related concepts on Catalyst 9K switches. end. It is not recomended to configure RA (Registration Authority) as it is not validated. SSO refers to the implementation of Cisco IOS software that allows applications and features to maintain a defined state between an active and standby RP. 131. Catalyst 4500 series switches allow a redundant supervisor engine to take over if the active supervisor engine fails. Maintenance Mode = Disabled. A router in SSO redundancy mode checkpoints Layer 2 protocol states and line card operation. Step 4. . The mode sso command can be entered only from within redundancy configuration mode. exit 6. The default standby power supply slot is PS8. Example: Device(config-red)# exit: Exits redundancy. 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. Router# copy running. 4. Step 5. The system has experienced 4 switchovers. Supervisor Module Redundancy. Exits configuration mode and returns to the. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Sets the redundancy configuration mode to SSO on both the active and standby RP. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. main-cpu. Example: Router(config-red)# mode sso. 2. Maintenance Mode = Disabled. Enters redundancy configuration mode. When you configure the controller for HA SSO, the Cisco 600 Series OfficeExtend Access Points are not supported. 63 /22. Cisco IOS XE Bengaluru 17. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. 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. Step 6. Communications = Up. Hope that helps! -Bradley Selzer. Initiate a switchover using the command redundancy force-switchover. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the to support SSO mode. Uptime in current state = 4 days, 21 hours, 27 minutesYes you need the RP in order to build SSO. 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. Dans cet exemple, la commutation avec état (SSO) haute disponibilité (HA) est configurée entre deux instances 9800-CL, qui exécutent la même version du logiciel Cisco IOS, qui ont été configurées avec des WMI séparés et avec une interface utilisateur graphique accessible à l'adresse. The software will prompt to reboot the Standby Supervisor (in slot 5) - confirm to reboot - exit configuration mode and save the configuration. Displays the operating redundancy mode. Step 4. redundancy 4. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up. The sku on the box for the HA should have this part number: air-ct5508-ha-k9. Verifies that SSO is enabled. 2. 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. #sh redundancy Redundant System Information :-----Available system uptime = 1 year, 7 weeks, 1 day, 2 hours, 8 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none. † Software. 6. SSO is supported in Cisco IOS Release 12. 2(20)EWA and later releases. Example: Device(config-red)# mode sso: Configures stateful switchover. SRM is inherent with SSO, which brings up the standby route processor. Switchover Time. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. config redundancy mode sso. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. 2(20)EWA and later releases. The Cisco RF Gateway 10 Supervisor Engine 7-E uplink ports are not recommended for data or management traffic in Supervisor Redundancy Mode. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. 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. end. ※ このドキュメントでは AireOS 8. 2(20)EWA and later releases. • 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. Connected to network with 4x10G links. (Cisco Controller) >show redundancy summary Redundancy Mode = SSO ENABLED Local State = ACTIVE Peer State = UNKNOWN - Communication Down. Router# show redundancy Redundant System Information :-----Available system uptime = 38 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 Communications =. 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. End with CNTL/Z. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Hardware Mode = Simplex. Step 3. 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. 0 !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. = 0 Last switchover reason = active unit removed Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. The mode sso command can be entered only from within redundancy configuration mode. Enters redundancy configuration mode. シングル構成しているのが片方電源を抜いてもトラップがとばないのです。在本示例中,高可用性 (HA)狀態切換 (SSO)配置在兩個9800-CL例項之間,這些例項運行相同的Cisco IOS軟體版 本,這些例項已配置有獨立的WMI,並且可以通過以下網址訪問的GUI. 102. Enters redundancy configuration mode. Step 1. The show redundancy and show issu state commands verify that redundancy mode is enabled and that SSO and NSF are configured. mode sso. Router(config-red)# mode sso. Example: Device (config-red)# end Controller # 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. 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 =. SSO is supported in Cisco IOS Release 12. Step 3. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. I have 2x 5508 in SSO 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. 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. 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. Maintenance Mode = Disabled. 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. 3. This mode does not provide power redundancy. 48. 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. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine. 0 10. Router(config-red)# end. I will show you how to make a wireless-controller-cluster. 03. 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. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. “Configuring NSF with SSO Supervisor Engine Redundancy”). Check if There is Sufficient Available Memory on Flash 4. 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. 7) Initiate the reset system self make sure that to verify all the AP's Up and Primary working fine. 5. This example shows how to set the redundancy mode to SSO: Device (config)# redundancy Device (config-red)# mode sso Device (config. Cisco 3504 Controllers. Example: Device(config-red)# mode sso: Configures stateful switchover. 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. Redundancy may not work due to differences between the Cisco IOS. When you configure the controller for HA SSO, the Cisco 600 Series OfficeExtend Access Points are not supported. Step 5. (Optional) Ensure network. 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. 0. mode sso. Router(config-red)# end. 2. For more information, see Chapter 1, “Route Processor Redundancy (RPR). 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. 6. Note Enabling SSO initiates a controller reboot. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. End with CNTL/Z. Router(config)# mode sso. Step 1. Check if Switches are in SSO Mode 5. RF debug mask = 0x0. The primary will reboot to enable sso and pull the config from the current active (secondary in this case) unit xml on boot. The default mode for the Cisco 7304 router and Cisco 10000 series routers is SSO. 0. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. SSO-The show module command displays Hot. 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 = Disabled Communications = Up Current. This mode utilizes two electrical grids, each one powering a half module within each power supply. ) To minimize down time during software changes on the supervisor engine, load the new image onEnters redundancy configuration mode. Sets the redundancy configuration mode to SSO on both the active and standby RP. Displays the operating redundancy mode. configure redundancy mode sso. With NSF/SSO, peer networking devices do not experience routing flaps. 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. When we simulate a problem by powering off the Active Controller, the standby controller will reboot, all of our APs loose. Enters redundancy configuration mode. Active WLC 上で SSO の mode を disable にする. † 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. For more. 1. Enter configuration commands, one per line. Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up. Enters redundancy configuration mode. Step 5: exit. Standby failures = 3. One switch is running 3. mode SSO 5. Check the Boot Mode 3. RPR+-The show module command displays Warm. 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. Note Recommended procedure for ROMMON upgrade of Supervisor in VSS Quad-Sup SSO (V4SO): Use the command upgrade rom-monitor to upgrade the ROMMON image, preference region/invalidate region on current active Supervisor. The First Sign Of Life (FSOL) triggers that are supported on SSO include DHCP proxy (where the iWAG acts as the DHCP proxy server) and DHCP. 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. mode SSO 5. 2(20)EWA and later releases. exit Router(config)# exit. The. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Cisco IOS Software, Catalyst 4500 L3 Switch Software. All unsaved configuration will be saved. 168. SSO is supported in Cisco IOS Release 12. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 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. Example: Device (config-red)# mode sso: Configures SSO. Sets the redundancy configuration mode to SSO on both the active and standby RP. Sets the redundancy configuration mode to SSO on both the active and standby RP. If the HA unit is not an HA sku, then you need a minimum of 50 ap license. Device(config-red)# mode sso: Configures stateful switchover. 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. Router# copy running-config. Route Processor Redundancy is supported only on routers that support dual RSPs. Step 4. 5 and the other is running 3. 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. The ISSU feature allows deployment of new features, hardware, services, and maintenance fixes in a procedure that is seamless to end users. Configuring Route Processor Redundancy SSO Mode configure terminal redundancy mode sso main-cpu standby. 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. You usually will find the two redundancy terms together, as "SRM with SSO. This feature is supported on all WLC models supporting HA SSO feature: Cisco 8500 Series WLCs . We have two Cisco WLC 8540 in HA pair. 0. SSO pair connected to upstream VSS pair with split links and RP connected back to back. configure redundancy mode sso. 2. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Router# configure terminal. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). Check the Current ISSU and Install States 7. To set the redundancy mode to stateful switchover (SSO), use the mode sso command in redundancy configuration mode. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. Cat-6509#show redundancy Redundant System Information : ----- Available system uptime = 10 hours, 12 minutes Switchovers system experienced = 1 Standby failures = 1 Last switchover reason = user initiated Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso!--- This verifies that software has set the. My Secondary Switch is in disable state despite its in SSO mode. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso. 3. Cisco Public HA SSO behavior Redundancy Port (RP) BRKEWN-2846 19 Redundancy Port (RP) • Syncs configuration and AP/Client databases between Active and Standby • Monitors status of the chassis • Possible single point of. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating. Router# copy running-config. Step 2: mode sso Example: Switch (config-red)# mode sso Configures 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. Example: Device#. SSO is supported in Cisco IOS Release 12. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Example: Device(config-red)# exit: Exits redundancy. 3. #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 =. Redundancy may not work due to differences between the Cisco IOS. Redundancy Mode (Configured) = sso . Current Processor Information :----- Active Location = slot 1 Current Software state = ACTIVE. 1 Disabling SSO on HA Pair 1 On primary controller, disable SSO using the command: config. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . Step 5: end. Example: Device(config-red)# mode sso: Configures stateful switchover. Router# show redundancy states. 4. Maintenance Mode = Disabled . I try to setup HA with SSO with 2x WLC 5520 version 8. One switch is running 3. The New High Availability feature i. end. When this command is entered, the standby supervisor module is reloaded and begins to work in SSO mode. Inbox redundancy with Stateful Switchover (SSO) mechanism provides redundancy within the same device. Step 3 Router# show running-config Verifies that SSO is enabled. Step 2. Step 2. Example: Device (config-red)# endWith SSO redundancy, the StackWise Virtual standby switch is always ready to assume control if a fault occurs on the StackWise Virtual active switch. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and.