debug redundancy {infra | facilitator. 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. 1. Example: Device#. 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. x. x. Example: Device(config-red)# mode sso: Configures stateful switchover. Example: Router(config-red-app-grp)#name cube-ha. NSF and SSO must be configured before attempting an ISSU. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE),Experimental Version 16. SSO Operation. Router (config-red)# end. Configured Redundancy Mode = sso. 56. 2(20)EWA and later releases. Redundancy may not work due to differences between the Cisco. Example: Device(config-red)# mode sso: Configures stateful switchover. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. If I enter SSO mode on the second node I got an error: >config redundancy mode sso WARNING: 1. Enters redundancy configuration mode. Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115Operating Redundancy Mode = RPR. 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. 39. Configures SSO. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. The feature is enabled by default when the redundancy mode of operation is set to SSO. Step 4. Step 3. Example: Device (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. 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 this command is entered, the standby switch is reloaded and begins to work in SSO mode. 133，稱為WLC2。. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 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. 170 West Tasman Drive. While implementing Nonstop Forwarding (NSF) technology in systems using SSO. 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. x. Step 5: exit. SSO HSRP. End with CNTL/Z. Verifies that SSO is enabled. 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. 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. 08. Communications = Up. 0. SSO is supported in Cisco IOS Release 12. Example: Device(config-red)# end: Exits redundancy configuration mode and. According to cisco: SSO is the IOS High Availability feature that allows one RSP on a 7500 to immediately take over for the other RSP in the event of an RSP failure. (See the “Performing a Software Upgrade” section on page 8-12. 151. 255. The switch is supports route processor redundancy (RPR). Example: Router(config)# redundancy Router(config-red)# Enters redundancy configuration mode. We have an SSO HA implementation with 2x 5520 (both AIR-CT5520-K9), software version 8. Switch(config-red)# mode sso. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. Step 4. Router(config)# mode sso. show redundancy states. The default mode for the Cisco 7500 series routers is HSA. Redundancy may not work due to differences between the Cisco IOS releases. This mode does not provide power redundancy. The available power is the total power capacity of all power supplies. 05-25-2012 08:56 AM - edited 03-07-2019 06:54 AM. License for 100 APs, 96 APs in use. In an HA environment using FlexConnect locally switched clients, the client information might not show the username. Cisco StackWise Virtual Redundancy. . Usage Guidelines. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non Redundant. Example: Router(red-config)# exit: Exits to global configuration mode. 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。. Enters redundancy configuration mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Cisco SSO (frequently used with NSF) minimizes the time a network is unavailable to its users following a switchover while continuing to forward IP packets. Enters redundancy configuration mode. SSO Operation SSO is supported in Cisco IOS Release 12. Step 5: exit. Maintenance Mode = Disabled . mode sso. 168. 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 4: mode sso. Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 3 850 L3 Switch Software (CAT3850-UNIVERSALK9-M), Version 03. Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and. Step 4: mode sso. Step 6: mode sso. Router# show redundancy states. 0 を. 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. After this the WLC will reboot and come back as Primary and Standby WLC again. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. %HA-5-MODE:Operating mode is sso, configured mode is sso. Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. 147 as the Redundancy Management IP and controller2 with 9. config redundancy mode 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. Running the Supervisor card in RPR or SSO operating mode enables Supervisor redundancy. 除了這些IP地址外. “Configuring NSF with SSO Supervisor Engine Redundancy”). This example shows how to set the redundancy mode to SSO: Device (config)# redundancy Device (config-red)# mode sso Device (config. Usage Guidelines. Solved: Hi, I need help to get a HA SSO setup running. My Secondary Switch is in disable state despite its in SSO mode. When we simulate a problem by powering off the Active Controller, the standby controller will reboot, all of our APs loose. e. (Operational) = sso Redundancy Mode. 2. Step 2 Router(config-red)# mode sso Configures SSO. 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 once. Redundancy configuration (config-red)This command supports Route Processor Redundancy (RPR) with the Cisco uBR10012 router. +1 is the power supply module reserved for redundancy. Router# configure terminal. Displays the operating redundancy mode. Example: Device(config-red)# end: Exits redundancy configuration mode and. Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. Redundancy may not work due to differences between the Cisco IOS releases. Operating Redundancy Mode = RPR. Step 5: end. Enters redundancy configuration mode. Router(config-red)# end. 39. The mode sso command can be entered only from within redundancy configuration mode. end. 2. Connect redundancy ports together on primary/secondary. [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. Sets the redundancy configuration mode to SSO on both the active and standby RP. Check the Current ISSU and Install States 7. 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. Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :----- Active Location = slot 2. auto-sync bootvar. Step 5. Redundancy may not work due to differences between the Cisco IOS releases. 2(20)EWA and later releases. Step 5. Example: Router>enable Router#configure terminal Router(config)#redundancy Router(config-r)#mode none Router(config-red)#application redundancy Router(config-red-app)#group 1 Configure a name for the redundancy group. 2. 2(20)EWA and later releases. 39. 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. Chapter 5 Configuring Supervisor Engine Redundancy Using RPR and SSO About Supervisor Engine Redundancy SSO supports stateful switchover of the following Layer 2 features. With RPR, the backup supervisor engine is partially initialized and. config redundancy mode sso. Example: Device(config-red)# mode sso: Configures stateful switchover. If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco IOS library. Sets the redundancy configuration mode to SSO on both the active and standby RP. Enters redundancy configuration mode. The redundancy explained in this article is 1:1, which means that one of the units operates in Active state while the other operates in Hot Standby state. Step 6. 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 once. Maintenance Mode = Disabled. (Optional) Backup the Startup Config and Running Config files of the controllers. Enters configuration mode. The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any. The routing protocols have been enhanced with NSF-capability and. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Switch# show running-config. Switch-1(config)# platform hardware vsl pfc mode non-xl (Optional) Sets the PFC operating mode to PFC4 on Chassis A. Step 4. 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. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 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. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. Example: Router(config)# exit Example: Router # Enters redundancy configuration mode. Catalyst 4500 series switches allow a standby supervisor engine to take over if the active supervisor engine fails. It designates one of the RPs as the active RP and the other as the standby. end. 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: redundancy. Enter configuration commands, one per line. Are these switches setup in this manner by default? Can the redundancy be disabled if I am not going to use redundancy? What are the commands to disable redundancy? switch 1 provision ws-c3850-48p. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 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). 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. Operating Redundancy Mode = RPR. The mode sso command can be entered only from within redundancy configuration mode. Service-Port: 192. We have two Cisco WLC 8540 in HA pair. Router# copy running. 168. Active WLC 上で SSO の mode を disable にする. 39. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. Both controllers reboot and pair up in the SSO mode. mode SSO Router(config)# mode SSO. Switch(config-red)# end. The following are the ways in which Cisco StackWise Virtual's redundancy model differs from that of the standalone mode: The Cisco StackWise Virtual active and standby switches are hosted in separate switches and use a StackWise Virtual link to exchange information. Catalyst 4500 series switches allow a standby supervisor engine to take over if the active supervisor engine fails. 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. Enters redundancy configuration mode. Management: 192. see. 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. Step 6. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. Redundancy may not work due to differences between the Cisco IOS releases. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Step 5: end. Configures SSO. A router in SSO redundancy mode checkpoints Layer 2 protocol states and line card operation. Configuration Examples for DHCP High Availability. Redundant System Information : Available system uptime = 53 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = noneCisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE Cupertino 17. configure interface address management 10. Step 6 . The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. 2. Enters redundancy configuration mode. Once you get them on the same version, you will be able to get to SSO. The mode sso command can be entered only from within redundancy configuration mode. Hardware Mode = Duplex. 2(20)EWA 以降のリリースでサポートされます。. 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. 05-25-2012 08:56 AM - edited 03-07-2019 06:54 AM. The software will prompt to reboot the Standby Supervisor (in slot 5) - confirm to reboot - exit configuration mode and save the configuration. Only the top two ports are. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. If the command is not found in. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Check if Auto-Boot is Enabled 6. 2SXF OL-3999-08 8. Step 2: mode sso Example: Switch (config-red)# mode sso Configures SSO. Redundancy may not work due to differences between the Cisco IOS releases. 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. 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. Step 3: end . 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 =. end. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. Step 4. 3. When this command is entered, the standby supervisor module is reloaded and begins to work in SSO mode. 10. ホット スタンバイ WLC の設定. end. End with CNTL/Z. Displays the operating redundancy mode. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. The SSO model monitors the health of the active controller via a redundant (HA) port. Router# show running-config. Redundancy Mode = SSO ENABLED. Step 2: mode sso. Configured Redundancy Mode = RPR. 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. Remove SSO HA Configuration: 5. Step 4. Redundancy may not work due to differences between the Cisco. 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. mode SSO Router(config)# mode SSO. The primary will reboot to enable sso and pull the config from the current active (secondary in this case) unit xml on boot. Since we couldnt afford downtime I rebooted standby controller that was in maintenance mode and it was able to boot in sso redundant mode. 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. = SSO Redundancy Mode (Configured) = SSO Redundancy State = Non Redundant Manual Swact = disabled (system is simplex (no peer unit)) Communications = Down Reason:. 61 /24. Maintenance Mode = Disabled. 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. AP SSO set within the Cisco Unified Wireless Network software release v7. The ISSU feature allows deployment of new features, hardware, services, and maintenance fixes in a procedure that is seamless to end users. High Availability SSO Deployment Guide for Cisco Catalyst 9800 Series Wireless Controllers, Cisco IOS XE Amsterdam 17. SSO pair connected to upstream VSS pair with split links and RP connected back to back. Enter configuration commands, one per line. Check the Current ISSU and Install States 7. end. Cisco Stateful Switchover (SSO) is one of the redundancy mechanisms used in networking. 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. With RPR, the backup supervisor engine is partially initialized and must reload. restart the Wireless controller in maintenance mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. SSO is supported in Cisco IOS Release 12. 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. SSO functions in networking devices (usually edge devices) that support dual RPs. Step 4. 4) Once WLC is back verify the Boot image version is matching with the Primary. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Step 7: mode sso. Step 3:. 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. . The device supports fault resistance by allowing a standby switch to take over if the active device becomes unavailable. Heres the redundancy cfg: redundancy. 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 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. The Cisco Nexus 9504, 9508,. This feature is not supported on the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst 9500 Series Switches. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. Example: Device(config-red)# mode sso: Configures stateful switchover. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). redundancy Router(config)# redundancy. SSO is supported in Cisco IOS Release 12. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant 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. 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 =. Example: Device(config-red)# mode sso: Configures stateful switchover. Returns to EXEC mode. 2. 48. Cisco 5520 wireless LAN controller has a failover RP Port. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating. Example: Device(config-red)# mode sso: Configures stateful switchover. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. One switch is running 3. . Supervisor engine redundancy allows OIR of the redundant supervisor engine for maintenance. What is redundancy mode? 3. Enters redundancy configuration mode. Switch# show redundancy states. 2. 5. 1. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Enters redundancy configuration mode. Hardware Mode = Duplex. Example: Device (config-red)# mode sso: Configures SSO. redundancy Router(config)# redundancy. How To Configure Route Processor Redundancy. When the controller works as a host for spanning tree, ensure that you configure portfast trunk in the uplink switch using. 6. 0 を. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating 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. 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. 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. Recovery Mode Yes Yes Default GW Check Yes Yes LACP, PAGP with SSO No Yes SMU for controller patching No Yes. mode sso. Table 13-5 details the redundancy modes you can configure on supported switch platforms. Router(config)# mode sso. 1 onwards, the method to configure the gateway IP. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. There is no way i can change it to redundancy mode SSO. This command supports Route Processor Redundancy Plus (RPR+) with the Cisco uBR10012 router. This feature is not supported on the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst 9500 Series Switches. 2(20)EWA and later releases. Communications = Up. you then add the SSO redundancy commands on the active supervisor and you can insert the prepared new supervisor. 2(20)EWA and later releases. Check if Auto-Boot is Enabled 6. 130，称为WLC1; 第二个地址为IP地址10. Step 2. (CSCec05612)Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide, Release 12. Configuring Cisco NSF with SSO • FindingFeatureInformation,page1 • PrerequisitesforNSFwithSSO,page1 • RestrictionsforNSFwithSSO,page2. Redundancy-MGNT: 192. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 2 255. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Redundancy may not work due to differences between the Cisco. Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up. Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. 168. With RPR+, the redundant supervisor engine is fully initialized and configured, which shortens the. In this CCNP ENCOR lesson, we will focus on this redundancy mechanism. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. Step 3. Redundancy may not work due to differences between the Cisco IOS 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. Cisco ASR1006 supports the stateful failover from an active Enhanced Services Processor (ESP) to a standby and from an active Route Processor to a standby on the same box.