Cisco redundancy mode sso. The standby will sync its configuration from. Cisco redundancy mode sso

Note After configuring SSO mode, the standby RP will automatically reset. SSO is supported in Cisco IOS Release 12. ) To minimize down time during software changes on the supervisor engine, load the new image onEnters redundancy configuration mode. 1. Step 3:. Communications = Up . Example: Device#. see. 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. IP-adres 10. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. l’adresse IP 10. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. 133，称为WLC2。. 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. Syntax Description. 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. %HA-5-MODE:Operating mode is sso, configured mode is sso. If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco IOS library. configure interface address redundancy-management 10. Usage Guidelines. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). Step 4: show running-config Example:Enters redundancy configuration mode. 2. Check if Auto-Boot is Enabled 6. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. 0. With RPR, the backup supervisor engine is partially initialized and must reload. Step 5. 10. 151. Router (config)# redundancy. Redundancy may not work due to differences between the Cisco. 2. The available power is the total power capacity of all power supplies. 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. 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. On primary controller, disable SSO using the command: Config redundancy mode disable The Active and Standby WLCs. Example: Device(config-red)# mode sso: Configures stateful switchover. 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. Step 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. 0. The mode sso command can be entered only from within redundancy configuration mode. Go to solution. If I enter SSO mode on the second node I got an error: >config redundancy mode sso WARNING: 1. Redundant System Information :----- Available system uptime = 44 weeks, 2 days, 6 hours, 12 minutes. Figure 2. 2(20)EWA and later releases. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. Uptime in current state = 4 days, 21 hours, 27 minutesYes you need the RP in order to build SSO. Router# copy running-config startup-config 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. 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. “Configuring NSF with SSO Supervisor Engine Redundancy”). Example: Device(config-red)# mode sso: Configures stateful switchover. Once you get them on the same version, you will be able to get to SSO. There is no way i can change it to redundancy mode SSO. 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. The mode sso command can be entered only from within redundancy configuration mode. The Cisco Nexus 9504, 9508,. Description. 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. 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. From both WLC GUIs or CLIs, one can perform simple connectivity tests,. Step 3. Check if Switches are in SSO Mode 5. On the Cisco 8500 Series Catalyst Edge Platform, Stateful Switchover (SSO) can be used to enable a second IOS process. Step 6. Router(config)# mode sso. Enters redundancy configuration mode. Enters redundancy configuration 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. Note SSO is not supported if the IOS-XE software is running in the LAN Base mode. Router(config-red)# end. End with CNTL/Z. Maintenance Mode = Disabled. The Broadband High Availability Stateful Switchover feature allows you to configure subscriber redundancy policies that tune the synchronization process. A critical component of SSO and Cisco HA technology is the cluster control manager (CCM) that manages session re-creation on the standby processor. Step 4 Router# show redundancy states Displays the operating redundancy mode. Switch# show redundancy states. Step 5: Enabling SSO reboots the. Enters redundancy configuration mode. (See the “Performing a Software Upgrade” section on page 8-12. 48. You can configure an n+1 redundant mode. Note • The two Gigabit Ethernet interfaces on the redundant supervisor engine are always active unless you enter the fabric switching-mode allow dcef-only command. You can configure the Stateful Interchassis Redundancy feature to determine the active device from a group of devices, based on a number of failover conditions. Cisco IOS Software, Catalyst 4500 L3 Switch Software. Cisco SSO Operation. Operating Redundancy Mode = RPR. Note Enabling SSO initiates a controller reboot. Stateful Switchover is particularly useful in conjunction with Nonstop. To enable Cisco StackWise Virtual on a switch, use the stackwise-virtual command in the global configuration mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 147 as the Redundancy Management IP and controller2 with 9. 2(20)EWA and later releases. Step 2 Router(config-red)# mode sso Configures SSO. 2(20)EWA and later releases. Standby failures = 3. Redundancy may not work due to differences between the Cisco. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. 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 on both supervisor engines, which ensures that all modules. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Step 3 Perform write memory. Connect the network ports. The mode sso command can be entered only from within redundancy configuration mode. 56. Connected to network with 4x10G links. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit Router# reload Stateful Switchover. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Note • The two Gigabit Ethernet interfaces on the redundant supervisor engine are always active unless you enter the fabric switching-mode allow dcef-only command. When this command is entered, the standby supervisor module is reloaded and begins to work in SSO mode. Step 2: mode sso Example: Switch (config-red)# mode sso Configures SSO. auto-sync config-register. SSO functions in networking devices (usually edge devices) that support dual RPs. 2(20)EWA and later releases. Step 5. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). 除了这些IP地址外，还. Usage Guidelines. The switch is. If peer unit's management and/or redundancy management entries are present as mobility members please remove them before enabling redundancy. 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. Router# copy running. 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. 0. Switch(config-red)# end. Reason: Software version. Enters redundancy configuration mode. auto-sync bootvar. Cisco HA architecture is based on redundant Route Processors and the NSF and SSO features, such that ports stay active and calls do not drop, eliminating network disruption during upgrades. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. And it has to be Layer 2 between the 2 RPs, so either directy connected or through a VLAN. Enters redundancy configuration mode. Step 3: redundancy Example: Router(config)# redundancy Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and. Note After configuring SSO mode, the standby RP will automatically reset. When this command is entered, the standby supervisor module is reloaded and begins to work in SSO mode. SSO HSRP. Router(config)# redundancy. config redundancy mode sso. 48. 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. SSO HSRP. redundancy Router(config)# redundancy. %HA-5-MODE:Operating mode is sso, configured mode is sso. RPR+-The show module command displays Warm. The New High Availability feature i. What is stateful switch over? 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. The stack operates in the 1:1 stack mode with the specified active or standby after reboot. end. Example: Device(config-red)# end: Exits redundancy configuration mode and. 48. 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. Communications = Up. Step 4: mode sso. Enters redundancy configuration mode. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. Introduction; Whats New in Cisco IOS XE Dublin 17. Step 4. 2. SSO pair connected to upstream VSS pair with RP connected via the upstream set of switches in order to detect gateway down scenario. 2. 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. 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. 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. Note Enabling SSO initiates a controller reboot. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. mode SSO 5. Enters redundancy configuration mode. 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 once. Inbox redundancy with Stateful Switchover (SSO) mechanism provides redundancy within the same device. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. 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. Sets the redundancy configuration mode to SSO on both the active and standby RP. The documentation set for this product strives to use bias-free language. end. 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. Information About Redundancy. (Cisco Controller) >show redundancy summary. Step 4. configure redundancy mode sso. Step 6. Chapter 5 Configuring Supervisor Engine Redundancy Using RPR and SSO About Supervisor Engine Redundancy SSO supports stateful switchover of the following Layer 2 features. The NSF/SSO—L2VPN Pseudowire Redundancy feature enables you to set up your network to detect a failure in the network and reroute the L2 service to another endpoint that can continue to provide service. end. Step 5. 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. SSO is supported in Cisco IOS-XE Release 3. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the to support SSO mode. 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. 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 4. End with CNTL/Z. What is redundancy mode? 3. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. 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. 0. Maintenance Mode = Disabled. Convert RPR to SSO mode, this will force a reboot on standby supervisor. 6. 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 mode sso command can be entered only from within redundancy configuration mode. config redundancy mode sso. Redundancy may not work due to differences between the Cisco. SSO is supported in Cisco IOS Release 12. Example: Device (config-red)# mode sso: Configures SSO. Usage Guidelines. x. SSO Dual-Route Processors and Cisco Nonstop Forwarding. When this command is entered, the standby switch is reloaded and begins to work in SSO 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. 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. Supervisor engine redundancy allows OIR of the redundant supervisor engine for maintenance. x. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE), Experimental Version 16. What can be the reason. Configuration Examples for DHCP High Availability. Step 5. core-7606-01#show redundancy . Step 3: end . x. Enters redundancy configuration mode. To re-enable SSO, execute the command Config redundancy sso on the primary and secondary controllers. Sets the redundancy configuration mode to SSO on both the active and standby RP. Usage Guidelines. (CSCec05612)Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide, Release 12. 150. 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. [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. Local State = MAINTENANCE. The mode sso command can be entered only from within redundancy configuration mode. Step 6. Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. show redundancy states. exit 6. Example: Device(config-red)# mode sso: Configures stateful switchover. You can also manually initiate a switchover by entering the redundancy force switch-over command on the Cisco StackWise Virtual active supervisor in privileged EXEC mode. Configured Redundancy Mode = sso. To set the redundancy mode to stateful switchover (SSO), use the mode sso command in redundancy configuration mode. Maintenance Mode = Disabled . Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :----- Active Location = slot 1/2 Current Software state = ACTIVE Uptime in current state = 36 minutes Image Version = Cisco IOS Software, s2t54 Software (s2t54-ADVENTERPRISEK9-M),SSO is supported in Cisco IOS Release 12. 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. auto-sync startup-config. Example: Router(config)# exit Example: Router # Enters redundancy configuration mode. In the RPR mode, one of the supervisor engines is active and operational, while the second supervisor engine is in the standby mode. CiscoStackWiseVirtualRedundancy 15 SSORedundancy 15 NonstopForwarding 16 MultichassisEtherChannels 16 MECMinimumLatencyLoadBalancing 16 MECFailureScenarios 17. end. 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 =. † 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. Note Enabling SSO initiates a controller reboot. Cisco 5520 wireless LAN controller has a failover RP Port. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. If controller1 is configured with 9. Step 5. If a switch is configured for SSO mode, then stand-by supervisor engine stops at " FIB table synchronization" and waits for active supervisor to fail. auto-sync running-config. 2(20)EWA and later releases. running with image version 8. 3. Enters redundancy configuration mode. 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. 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. 102. Example: Device(config-red)# mode sso: Configures stateful switchover. In this article, we take a look at how to configure High Availability Stateful Switchover (HA SSO) on the Cisco 9800 WLCs running IOS-XE using Redundancy Management Interfaces (RMI) in addition to the Redundancy Ports (RP). When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Switch# show running-config. Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Consolidated Platform Configuration Guide, Cisco IOS XE 3. Step 5. Configures SSO. 63 /22. Cisco IOS Nonstop Forwarding (NSF) always runs with stateful switchover (SSO) and provides redundancy for Layer 3 traffic. 168. Cisco 3504 Controllers. 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. 39. Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :----- Active Location = slot 2. 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. redundancy 4. Is there anything I can do to force it out of maintenance mode? show redundancy summary Redundancy Mode = SSO ENABLED Local State = MAINTENANCE Peer State = UNKNOWN - Communication Down Unit = Secondary Redundancy State = Non Redundant Maintenance Mode = Enabled Maintenance cause= Secondary unit has. 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 once. Step 5. Enters redundancy configuration mode. The software will prompt to reboot the Standby Supervisor (in slot 5) - confirm to reboot - exit configuration mode and save the configuration. 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 = Disabled Communications = Down. Step 5: exit. Enters redundancy configuration mode. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. If a switch is configured for SSO mode, then stand-by supervisor engine stops at " FIB table synchronization". Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. San Jose, California 95134-1706. %HA-5-MODE:Operating mode is sso, configured mode is sso. It is setup in the below settings but I am not running a pair of these switches. Step 1. 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. Example: Device(config-red)# mode sso: Configures stateful switchover. With NSF/SSO, peer networking devices do not experience routing flaps. Step 4. 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. Upgrade the current active Supervisor. Configurations. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. 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. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Example: Router(config)# redundancy Router(config-red)# Enters redundancy configuration mode. SSO is supported in Cisco IOS Release 12. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. It is not recomended to configure RA (Registration Authority) as it is not validated. Active WLC 上で SSO の mode を disable にする. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Switch(config-red)# mode sso. Router(config)# mode sso. Configured Redundancy. Enters redundancy configuration mode. Step 5: end. Configured Redundancy Mode = sso. If it is in ROMMON, try boot with manual "boot" command. Enter configuration commands, one per line. 2(20)EWA and later releases. Example: Device(config-red)# exit: Exits redundancy. mode sso. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. 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. 2(20)EWA and later releases. (NSF) with a stateful switchover (SSO) when a supervisor-level failure occurs. end. 3 255. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. while restarting the secondary WLC that was in maintenance mode, check the "Bulksync status" of redundancy summary in primary WLC and wait for until it turn as. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. For WLC 2, go to Console connection: Note Once SSO is enabled, the Standby WLC can be accessed via console connection or via SSH on the service port and on the redundant management interface. Step 4: mode sso. Cisco 5500 Series WLCs . When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Step 6. SSO works with Cisco NSF, which helps reduce the switchover downtime on Layer 3. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 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. Enters redundancy configuration mode. 1. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven pput ower supply modules). When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Active WLC 上で SSO の mode を disable にする. SSO is supported in Cisco IOS Release 12. Step 3:. 90. License for 100 APs, 96 APs in use. Sw-4510R (config-red)#>redundancy Sw-4510R (config-red)#mode sso Changing to sso mode will. 配置. 2. 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. SSO is supported in Cisco IOS Release 12. Check if Auto-Boot is Enabled 6. SSO HSRP. Configured Redundancy Mode = SSO. 6. restart the Wireless controller in maintenance mode. client_notification_TMR = 30000 milliseconds . Enters redundancy configuration mode. Router (config-red)# mode sso. Example: Device(config-red)# mode sso: Configures stateful switchover.