101. 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 =. The feature is enabled by default when the redundancy mode of operation is set to SSO. Example: Device(config-red)# end: Exits redundancy configuration mode and. Step 4: mode sso. Step 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. 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. Step 6. This chapter consists of these sections:. Step 5. 0. Example: Device(config-red)# exit: Exits redundancy. All unsaved configuration will be saved. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso. 48. auto-sync running-config. mode sso. For WLC 1, go to Monitor > Redundancy > Summary: b. Example: Device(config-red)# mode sso: Configures stateful switchover. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Step 5. in my case it was secondary. SSO HSRP. In specific Cisco networking devices that support dual RPs, SSO takes advantage of RP redundancy to increase network availability. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to 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. Displays the operating redundancy mode. Step 5. The ISSU feature allows deployment of new features, hardware, services, and maintenance fixes in a procedure that is seamless to end users. Cisco IOS Software, Catalyst 4500 L3 Switch Software. High availability SSO is setup and is working good. This example shows how to set the redundancy mode to SSO: Device (config)# redundancy Device (config-red)# mode sso Device (config. Example: Device(config-red)# mode sso: Configures stateful switchover. 0. Example: Device(config-red)# mode sso: Configures stateful switchover. Exits redundancy configuration mode and returns the switch to privileged EXEC 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. SSO is supported in Cisco IOS Release 12. Step 2: mode sso . In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. SSO checkpointing is the process of mirroring information between RPs. The VSS runs stateful switchover (SSO) between the VSS active and standby supervisor engines (see Figure 5. 130，稱為WLC1; 第二個地址IP地址10. Last switchover reason = user_forced. 2(20)EWA and later releases. 255. (Cisco Controller) >show redundancy summary. Step 3: end. Returns to EXEC mode. 39. The SSO feature takes advantage of RP redundancy by establishing one of the RPs as the active RP while the other RP is designated as the standby RP, and then synchronizing critical state. There are two options for Cisco Wireless Controller redundancy solutions, either Backup Controllers or High Availability, depending on the firmware version of WLC's, failover time requirement, and budget. Table 13-5 Redundancy Modes, Platform Support, and. 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. SSO is supported in Cisco IOS Release 12. 2(20)EWA and later releases. 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 =. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant 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. 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. Enters global configuration mode. Configured Redundancy Mode = SSO. Router(config)# mode sso. Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Split Mode = Disabled Manual Swact = Enabled Communications = Up client count = 29 client_notification_TMR = 30000 milliseconds keep_alive TMR = 9000 milliseconds keep_alive count = 1 keep_alive threshold = 18 RF debug mask = 0x0 Configuring BGP. Step 1. = sso Redundancy Mode (Configured) = sso Split Mode = Disabled Manual Swact = Enabled Communications = Up client count = 29 client_notification_TMR = 30000 milliseconds keep_alive TMR. Sets the redundancy configuration mode to SSO on both the active and standby RP. 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. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Usage Guidelines. Table 13-5 details the redundancy modes you can configure on supported switch platforms. 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. Redundancy configuration (config-red)This command supports Route Processor Redundancy (RPR) with the Cisco uBR10012 router. . 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. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Switch(config-red)# end. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non. Usage Guidelines. Step 5. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. Note After configuring SSO mode, the standby RP will automatically reset. If I enter SSO mode on the second node I got an error: >config redundancy mode sso WARNING: 1. x. (Operational) = sso Redundancy Mode. 147 as the Redundancy Management IP and controller2 with 9. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. Enters redundancy configuration mode. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the supervisor modules to support SSO mode. Step 4: show running-config Example:Router# show redundancy Operating mode is sso redundancy mode sso hw-module slot 6 image disk0:rsp-pv-mz hw-module slot 7 image disk0:rsp-pv-mz Active in slot 6 Standby in slot 7 The system total uptime since last reboot is 2 weeks, 23 hours 41 minutes. 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. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Configuration Examples for DHCP High. Once you get them on the same version, you will be able to get to SSO. 4. 3. Enters redundancy configuration mode. To enable Cisco StackWise Virtual on a switch, use the stackwise-virtual command in the global configuration mode. A redundancy VLAN is connected to the redundant port on Cisco WiSM2 through the backplane. The Cisco Nexus 9504, 9508, 9516,. Step 5. † Software. Example: Device(config-red)# mode sso: Configures stateful switchover. SSO Operation SSO is supported in Cisco IOS Release 12. With RPR+, the redundant supervisor engine is fully initialized and configured, which shortens the. Example: Device(config-red)# mode sso: Configures stateful switchover. Device(config-red)# mode sso: Configures stateful switchover. end. Step 4. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. 2. 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. Step 3 Router# show running-config Verifies that SSO is enabled. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Complete these steps in order to check the redundancy status: a. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. 3. Step 6. Enters redundancy configuration mode. Combined. Sets the redundancy configuration mode to SSO on both the active and standby RP. SSO HSRP. 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. Switchovers system experienced = 5. Step 2: mode sso Example: Switch (config-red)# mode sso Configures SSO. Management: 192. Hardware Mode = Duplex. 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. You can configure an n+1 redundant mode. 1. 配置. mode sso. Enters redundancy configuration mode. 1. 3 and 7. Router(config)# mode sso. The engine will synchronize the configuration and. Operating Redundancy Mode = sso. Table 1 Power Redundancy Modes; Redundancy Mode. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. SSO is supported in Cisco IOS Release 12. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. Step 4. You usually will find the two redundancy terms together, as "SRM with SSO. 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. 0. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. 48. 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. Cisco StackWise Virtual Redundancy. restart the Wireless controller in maintenance mode. Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Step 3. Information About Redundancy. Configures SSO. Router# copy running. 2 255. I Think that the righ status of SSO Configuration must be like: Hardware Mode = Duplex. • 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. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. Enters redundancy configuration mode. end. The standby will sync its configuration from. Usage Guidelines. Manual Swact = enabled . Redundancy may not work due to differences between the Cisco IOS releases. mode SSO Router(config)# mode SSO. On the Cisco 8500 Series Catalyst Edge Platform, Stateful Switchover (SSO) can be used to enable a second IOS process. For more. If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco IOS library. 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. 2(20)EWA and later releases. Router (config-red)# end. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. And it has to be Layer 2 between the 2 RPs, so either directy connected or through a VLAN. 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 =. 56. Enters redundancy configuration mode. 2(20)EWA and later releases. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). auto-sync config-register. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. 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. their Capwap tunnel, APs and clients get disconnected. end. # redundancy Switch(config-red)# mode sso Switch(config-red)# end Switch# show redundancy states my state = 13 -ACTIVE peer. The mode sso command can be entered only from within redundancy configuration mode. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. Step 3 Perform write memory. First you can completely configure the first WLC as you wish. This example shows how to set the redundancy mode to SSO: Device (config)# redundancy Device (config-red)# mode sso Device (config. 第一個IP地址10. 2016-10-12 10:10 AM 2017-09-01 03:01 AM 更新. config 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. Recovery Mode Yes Yes Default GW Check Yes Yes LACP, PAGP with SSO No Yes SMU for controller patching No Yes. 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. Router(config-red)# end. 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. 4. Example: Device(config-red)# end: Exits redundancy configuration mode and. Redundancy Mode = SSO ENABLED. Catalyst 4500 series switches allow a standby supervisor engine to take over if the active supervisor engine fails. Only the top two ports are. 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. Example: Device(config-red)# mode sso: Configures stateful switchover. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode =. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE), Experimental Version 16. Step 4 Router# show redundancy states Displays the operating redundancy mode. 7) Initiate the reset system self make sure that to verify all the AP's Up and Primary working fine. From both WLC GUIs or CLIs, one can perform simple connectivity tests,. Router(config-red)# end. Configuration on. Example: Device(config-red)# mode sso: Configures stateful switchover. 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 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. Cisco NSF helps to suppress routing flaps in SSO-enabled devices, thus reducing network instability. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. mode sso. mode sso. Step 1. The device supports fault resistance by allowing a standby switch to take over if the active device becomes unavailable. Router(config)# mode sso. Reason: Software version. Last switchover reason = none. mode SSO 5. Step 5. It designates one of the RPs as the active RP and the other as the standby. 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. Enters redundancy configuration mode. Maintenance Mode = Disabled. 除了這些IP地址外. 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. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Step 3 Router# show running-config Verifies that SSO is enabled. cisco Systems, Inc. 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). To disable Cisco StackWise Virtual, use the no form of this command. Wrong handling can happen and. 255 ! interface GigabitEthernet1/0/4 ip vrf forwarding vpn1 ip address 10. Step 6 . Cisco IOS XE Software, Version 17. Example: Router(config)# redundancy Router(config-red)# Enters redundancy configuration mode. Router# copy running-config. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Router# configure terminal. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Go to solution. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. The. The processing of mirroring this information between route processors is known as checkpointing. This command has no. end. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. Wrong handling can happen and. Check the Boot Mode 3. To enter the redundancy main configuration submode and enable the standby switch, use the main-cpu command in redundancy configuration mode. Cisco 3504 Controllers. SSO also synchronizes critical state information. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Redundancy may not work due to differences between the Cisco IOS releases. 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. Device(config-red)# mode sso: Configures stateful switchover. CiscoStackWiseVirtualRedundancy 15 SSORedundancy 15 NonstopForwarding 16 MultichassisEtherChannels 16 MECMinimumLatencyLoadBalancing 16 MECFailureScenarios 17. Enter application redundancy mode. The mode sso command can be entered only from within redundancy configuration mode. Router(config)# redundancy. Router (config-red)# mode sso. The New High Availability feature i. 05 Model Number : C9606R Model Number : C9606R: CAT9600#sh redundancy Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Active Location = Switch 2 Current Software state = ACTIVE Standby Location = Switch 1 Current Software state = STANDBY HOT: CAT9600#show license summary With Stateful Switchover (SSO), Cisco IOS routers with dual RPs can synchronize router configuration and control plane state information. 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. 9. It is not recomended to configure RA (Registration Authority) as it is not validated. SSO is supported in Cisco IOS Release 12. Step 5. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven power supply modules). Router# copy running-config startup-config %HA-5-MODE:Operating mode is sso, configured mode is 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. Redundant System Information :-----Available system uptime = 1 year, 49 weeks, 6 days, 20 hours, 30 minutes Switchovers system experienced = 2 Standby failures = 6 Last switchover reason = active unit removed. Step 5: end. Cisco SSO Operation. Configures SSO. Router(config-red)# end. The processing of mirroring this information between route processors is known as checkpointing. 3 allows the AP to establish CAPWAP tunnel with Active WLC and share mirror copy of AP database with Standby WLC. Step 5. Maintenance Mode = Disabled. “Configuring NSF with SSO Supervisor Engine Redundancy”). 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. Example: Device(config-red)# mode sso: Configures stateful switchover. Example: Device(config-red)# mode sso: Configures stateful switchover. After this the WLC will reboot and come back as Primary and Standby WLC again. 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. 2. Step 2: mode sso. Step 5. 2. 170 West Tasman Drive. I tried to switch on SSO mode on both wlc 5520. Once you get them on the same version, you will be able to get to SSO. 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. config redundancy mode sso. ※ このドキュメントでは AireOS 8. 2(20)EWA and later releases. 2(20)EWA and later releases. Configured Redundancy Mode = sso. When an RP is active and the other RP is standby, SSO enables the standby RP to take over if the active RP fails. Step 6. auto-sync bootvar. Sets the redundancy configuration mode to SSO on both the active and standby RP. What is redundancy mode SSO? 2. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 130，称为WLC1; 第二个地址为IP地址10. 254. Cisco IOS Nonstop Forwarding (NSF) always runs with stateful switchover (SSO) and provides redundancy for Layer 3 traffic. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. Step 2. 150. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. x. 48. Enters redundancy configuration mode. 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. Step 8: exit. Redundancy may not work due to differences between the Cisco IOS. Step 3:. This command supports Route Processor Redundancy Plus (RPR+) with the Cisco uBR10012 router. Communications = Up. end. Example: Device(config-red)# exit: Exits redundancy. 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. 2. 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. Figure 2. Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up. Check if There is Sufficient Available Memory on Flash 4. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 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. 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. Active WLC 上で SSO の mode を disable にする. Redundancy may not work due to differences between the Cisco IOS releases. Check if Switches are in SSO Mode 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. (NSF) with a stateful switchover (SSO) when a supervisor-level failure occurs. config redundancy mode sso on primary. The documentation set for this product strives to use bias-free language. 59.