Enters redundancy configuration mode. Configuration Examples for DHCP High. Enter config redundancy mode SSO command to enable SSO. A router in SSO redundancy mode checkpoints Layer 2 protocol states and line card operation. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. configure redundancy mode sso. 3SE (Catalyst 3850 Switches) 8 OL-30686-01. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. 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 =. Router(config)# mode sso. 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. 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. Enters redundancy configuration mode. you then add the SSO redundancy commands on the active supervisor and you can insert the prepared new supervisor. If the. 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. In our example we are using the following IP addresses: WLC Active. " Configuring the Redundancy Mode. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. Example: Device (config-red)# mode sso: Configures SSO. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Check the Current ISSU and Install States 7. main-cpu. (Cisco Controller) >show redundancy summary. 2(20)EWA and later releases. Enters redundancy configuration mode. . With RPR, the backup supervisor engine is partially initialized and must reload. Usage Guidelines. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Learn more about how Cisco is using Inclusive Language. exit 6. SSO works with Cisco NSF, which helps reduce the switchover downtime on Layer 3. Step 4: mode sso. 2. 3 allows the AP to establish CAPWAP tunnel with Active WLC and share mirror copy of AP database with Standby WLC. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. Enters redundancy configuration mode. Router# copy running. 1 onwards, the method to configure the gateway IP. client count = 109 . SSO functions in networking devices (usually edge devices) that support dual RPs. 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. 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. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. end. SSO pair connected to upstream VSS pair with RP connected via the upstream set of switches in order to detect gateway down scenario. Example: Device#. Example: Device(config-red)# mode sso: Configures stateful switchover. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . The following is a sample output of the show redundancy rpr command run on the Cisco StackWise Virtual active supervisor:SSO is supported in Cisco IOS Release 12. 5 and the other is running 3. 2(20)EWA and later releases. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. Step 6. With RPR, the backup supervisor engine is partially initialized and. 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. Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :-----Active Location = Switch 2 Current Software state =. 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 mode sso command can be entered only from within redundancy configuration mode. The Cisco Nexus 9504, 9508,. Both RPs are running the same Cisco. mode SSO 5. 1. Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115Enters global configuration mode. Note After configuring SSO mode, the standby RP will automatically reset. Step 6. Enters redundancy configuration mode. Redundancy State = 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. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. configure interface address redundancy-management 10. Step 5. x. We have two Cisco WLC 8540 in HA pair. Enters redundancy configuration 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 two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any. 6. Configure SSO redundancy mode at this time. Hardware Mode = Simplex. The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any given time, while. 2(20)EWA and later releases. Cisco IOS XE Bengaluru 17. Enters redundancy configuration mode. 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. Router(config-red)# end. Step 6. Example: Router(config)# end. mode sso. Step 5: exit. 2(20)EWA and later releases. Router (config-red)# mode sso. The documentation set for this product strives to use bias-free language. End with CNTL/Z. And it has to be Layer 2 between the 2 RPs, so either directy connected or through a VLAN. Active WLC 上で SSO の mode を disable にする. This made the standby WLC to go into maintenance mode. Router(config)# mode sso. Step 4. 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. SSO is supported in Cisco IOS Release 12. show redundancy states. ※ このドキュメントでは AireOS 8. Step 5. You can use the switch switch-number role command to set the active and standby switch in 1:1 stack mode. mode sso. Step 4: mode sso. When two versions of Cisco IOS images are involved, the command sets supported by two images might differ. 130，称为WLC1; 第二个地址为IP地址10. SSO pair connected to upstream HSRP active and standby and RP connected via upstream set Now, let’s focus on Cisco SSO Configuration and learn how to configure SSO on Cisco routers. config redundancy mode sso. 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 =. SSO-The show module command displays Hot. Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. 1. Enters redundancy configuration mode. Enter configuration commands, one per line. 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 =. The NSF capability on Cisco Catalyst 9300 Series Switches can. Version 7. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Reason: Software version. 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 6. Step 4. 2. Step 5. 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 5. Step 2: mode sso . mode sso. 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. Router(config)# redundancy. . 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. auto-sync startup-config. Note Use the show redundancy and show issu state commands throughout the upgrade to verify the status of the upgrade. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. The mode sso command can be entered only from within redundancy configuration mode. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. 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 =. Redundancy may not work due to differences between the Cisco IOS releases. Example: Device(config-red)# mode sso: Configures stateful switchover. The switch is supports route processor redundancy (RPR). End with CNTL/Z. The routing protocols have been enhanced with NSF-capability and. 56. The problem is a version mismatch. 0 を. After rebooting the primary controller changed into Maintanence Mode. 3. Cisco 3504 WLCs. Returns to EXEC mode. Step 4: mode sso. SSO HSRP. End with CNTL/Z. 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. Cisco Employee. Enters redundancy configuration mode. Sets the redundancy configuration mode to SSO on both the active and standby RP. On the Cisco 8500 Series Catalyst Edge Platform, Stateful Switchover (SSO) can be used to enable a second IOS process. NSF Operation. Step 3: end. [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. 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. %HA-5-MODE:Operating mode is sso, configured mode is sso. 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. 2. end. 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. Usage Guidelines. ホット スタンバイ WLC の設定. 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. When a failover occurs, the standby device seamlessly takes over, starts performing traffic forwarding services, and maintains a dynamic routing table. Exits redundancy configuration mode and returns the switch to privileged EXEC 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. Maintenance Mode = Disabled . 6. Redundancy may not work due to differences between the Cisco. SSO is supported in Cisco IOS Release 12. 101. Step 5: redundancy. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). The software will prompt to reboot the Standby Supervisor (in slot 5) - confirm to reboot - exit configuration mode and save the configuration. 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. Maintenance Mode = Disabled. Router# copy running. 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. 151. Step 2: mode sso. 10. What can be the reason. 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 =. Book Contents Book Contents. Check if There is Sufficient Available Memory on Flash 4. 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 4500/4500-X series switches' VSS does not support route processor redundancy (RPR) mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Redundancy may not work due to differences between the Cisco IOS. Router# show running-config. Enters redundancy configuration mode. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. 0. = 0 Last switchover reason = active unit removed Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. If you perform an online insertion and removal (OIR) of the module, the switch resets during the stateful switchover and the. Once you get them on the same version, you will be able to get to SSO. SSO is supported in Cisco IOS Release 12. 6. Cisco StackWise Virtual Redundancy. In SSO mode . Verify the redundancy status using command : show redundancy summary 5. 151. When an RP is active and the other RP is standby, SSO enables the standby RP to take over if the active RP fails. exit 6. Usage Guidelines. 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. RPR+-The show module command displays Warm. The mode sso command can be entered only from within redundancy configuration mode. To enter the redundancy main configuration submode and enable the standby switch, use the main-cpu command in redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and. 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. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Switchovers system experienced = 5. Note After configuring SSO mode, the standby RP will automatically reset. Step 5. In the RPR mode, one of the supervisor engines is active and operational, while the second supervisor engine is in the standby mode. 255 ! interface GigabitEthernet1/0/4 ip vrf forwarding vpn1 ip address 10. end. (Cisco Controller) >show redundancy summary. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Supervisor Module Redundancy. Step 4. Remove SSO HA Configuration: 5. Cisco NSF helps to suppress routing flaps in SSO-enabled devices, thus reducing network instability. 48. Redundancy may not work due to differences between the Cisco IOS. 150. 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. 2. RPR+-The show module command displays Warm. Enters redundancy configuration mode. SSO-The show module command displays Hot. Note SSO is not supported if the IOS-XE software is running in the LAN Base mode. High availability SSO is setup and is working good. Step 4. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso. Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit Router# reload Stateful Switchover. Figure 2. San Jose, California 95134-1706. When this command is entered, the standby supervisor module is reloaded and begins to work in SSO mode. Step 5. Step 5: exit. Step 4: show running-config Example: Enters redundancy configuration mode. Maintenance Mode = Disabled. 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 IOS. config redundancy mode sso. Step 5. LACP and PAGP is not supported in HA mode in releases until, and including, Cisco IOS XE Gibraltar 16. 1. Note Enabling SSO initiates a controller reboot. 168. Maintenance Mode = Disabled. @Ivan Shirshin wrote: Hi, It is likely standby sup is stuck in boot or ROMMON mode as it is showing Other status in the outputs above. 39. Stateful Switchover enabled routers will always checkpoint line card. 2016-10-12 10:10 AM 2017-09-01 03:01 AM 更新. 2(20)EWA and later releases. RPR redundancy mode is used. 5. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant 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. These sections describe supervisor engine redundancy using NSF with SSO: About Cisco IOS NSF-Aware and NSF-Capable Support; NSF with SSO Supervisor Engine Redundancy Overview. configure interface address management 10. 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. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. SSO on the other hand is fully initialized. How To Configure Route Processor Redundancy. The DHCP high availability features are enabled by default when the redundancy mode of operation is set to SSO. The redundancy port in standalone controllers and the redundancy VLAN in Cisco WiSM2 are assigned. Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up. The system has experienced 4 switchovers. 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. † Software. The mode sso command can be entered only from within redundancy configuration mode. Router (config-red)# end. I am seeing the SSO is established. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 0 を. Example: Device(config-red)# mode sso: Configures stateful switchover. In specific Cisco networking devices that support dual RPs, SSO takes advantage of RP redundancy to increase network availability. Example: Router(red-config)# mode sso: Sets the redundancy configuration mode to SSO. Step 5. The default mode for the Cisco 7304 router and Cisco 10000 series routers is SSO. SSO Operation SSO is supported in Cisco IOS Release 12. Switch(config-red)# end. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. What is redundancy mode? 3. 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. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. SSO is supported in Cisco IOS Release 12. Inbox redundancy with Stateful Switchover (SSO) mechanism provides redundancy within the same device. 3. Router(config-red)# end. 10. 9800 WLC-1# show redundancy Redundant System Information : ----- Available system uptime = 1 hour, 35 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. # redundancy Switch(config-red)# mode sso Switch(config-red)# end Switch# show redundancy states my state = 13 -ACTIVE peer. A critical component of SSO and Cisco HA technology is the cluster control manager (CCM) that manages session re-creation on the standby processor. 56. 配置. 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. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Heres the redundancy cfg: redundancy. 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. 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 processing of mirroring this information between route processors is known as checkpointing. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. Configuring Cisco NSF with SSO • FindingFeatureInformation,page1 • PrerequisitesforNSFwithSSO,page1 • RestrictionsforNSFwithSSO,page2. 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. Service-Port: 192. (Operational) = sso Redundancy Mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. debug redundancy {infra | facilitator. 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. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. 3 255. The mode sso command can be entered only from within redundancy configuration mode. Enters redundancy configuration mode. Example: Router(config)# exit Example: Router # Enters redundancy configuration mode. 2. Step 2. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 2(20)EWA and later releases. The following are the ways in which Cisco StackWise Virtual's. 6. 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. 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. 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. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Redundancy may not work due to differences between the Cisco IOS. Router(config)# mode sso. config redundancy mode sso. Example: Device(config-red)# exit: Exits redundancy. Router> enable.