NSF and SSO must be configured before attempting an ISSU. 39. 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 switches in the stack to support SSO mode. 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. 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. With NSF/SSO, peer networking devices do not experience routing flaps. HTH,. NSF is supported by the BGP, OSPF, and EIGRP routing protocols and is supported by Cisco Express Forwarding (CEF) for forwarding. 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 =. For information about the in-chassis standby supervisors, enter the show redundancy rpr command in privileged EXEC mode on the Cisco StackWise Virtual active supervisor. Step 3: end. 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. Step 4 Router# show redundancy states Displays the operating redundancy mode. mode SSO 5. 1. Example: Router(config-red)# mode sso. 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. The Cisco RF Gateway 10 Supervisor Engine 7-E uplink ports are not recommended for data or management traffic in Supervisor Redundancy Mode. Configures SSO. The mode sso command can be entered only from within redundancy configuration mode. And the output of the "show redundancy" is: Hardware Mode = Duplex. 2SXF OL-3999-08 8. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Verify the redundancy status using command : show redundancy summary 5. The problem is a version mismatch. 2(20)EWA and later releases. Switch(config-red)# end. Router(config-red)# end. SSO is supported in Cisco IOS Release 12. 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. 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. x. First you can completely configure the first WLC as you wish. 2. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 5. Cisco NSF works with the SSO feature. Step 2. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 4 allows the access point (AP) to establish a CAPWAP tunnel with the Active WLC and share a mirror copy of the AP database with the Standby WLC. The Virtual Redundancy Routing Protocols (VRRP) is not SSO-aware, meaning state information is not maintained between the active and standby switches during normal operation. Exits configuration mode and returns to the. Redundancy may not work due to differences between the Cisco IOS releases. core-7606-01#show redundancy . 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. 0. Cisco 3504 WLCs. 05-25-2012 08:56 AM - edited 03-07-2019 06:54 AM. 102. 除了这些IP地址外，还. %HA-5-MODE:Operating mode is sso, configured mode is sso. Redundancy may not work due to differences between the Cisco. Configured Redundancy. One switch is running 3. Description. mode sso. 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. Solved: Hi, I need help to get a HA SSO setup running. VRRP and SSO can coexist but both features work independently. To disable Cisco StackWise Virtual, use the no form of this command. Verifies that SSO is enabled. 10. SSO refers to the implementation of Cisco IOS software that allows applications and features to maintain a defined state between an active and standby RP. Step 2. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. 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)# mode sso: Configures stateful switchover. 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. 39. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit. Example: Router(config)# router bgp 1000Example: Enabling 1:1 Redundancy Stack Mode; Example: Disabling 1:1 Redundancy; Example: Enabling 1:1 Redundancy Stack Mode. Maintenance Mode = Disabled . Usage Guidelines. 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. 2(20)EWA and later releases. RPR+-The show module command displays Warm. Note After configuring SSO mode, the standby RP will automatically reset. Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. Learn more about how Cisco is using Inclusive Language. SSO は、Cisco IOS Release 12. Hope that helps! -Bradley Selzer. (Optional) Backup the Startup Config and Running Config files of the controllers. 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. Redundancy may not work due to differences between the Cisco IOS releases. There are three modes in redundancy for the standby supervisor when native Cisco IOS Software is used: RPR-The show module command displays Cold. Example: Device (config-red)# mode sso: Configures SSO. x [S2C-build-v16x_throttle-4064-/. Redundancy-MGNT: 192. end. 12 255. We will definitely upgrade are fus code. 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. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. The first two octets are always 169. When two versions of Cisco IOS images are involved, the command sets supported by two images might differ. Redundancy may not work due to differences between the Cisco IOS. The Broadband High Availability Stateful Switchover feature allows you to configure subscriber redundancy policies that tune the synchronization process. It is setup in the below settings but I am not running a pair of these switches. Switch# show. 5 and the other is running 3. My Secondary Switch is in disable state despite its in SSO mode. This feature is supported on all WLC models supporting HA SSO feature: Cisco 8500 Series WLCs . Switchovers system experienced = 5. 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. The mode sso command can be entered only from within redundancy configuration mode. 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. Step 4: mode sso. Step 5. Enters configuration mode. show redundancy >>>>>> check here for mode you have configured. Enters redundancy configuration mode. Enters redundancy configuration mode. Router(config)# redundancy. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Enters redundancy configuration mode. x. Supervisor engine redundancy allows OIR of the redundant supervisor engine for maintenance. In our example we are using the following IP addresses: WLC Active. Router# show running-config. Step 1. The following are the ways in which Cisco StackWise Virtual's. Step 4: mode sso. 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. 1. 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. The mode sso command can be entered only from within redundancy configuration mode. Step 6. The mode sso command can be entered only from within redundancy configuration mode. Step 5. 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. Step 4: mode sso. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. The feature is enabled by default when the redundancy mode of operation is set to SSO. config redundancy mode sso. Example: Router(red-config)# mode sso: Sets the redundancy configuration mode to SSO. C6807-XL#show redundancy Redundant System Information :----- Available system uptime = 21 hours, 41 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Simplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. redundancy. Standby failures = 3. The. Step 5. 3. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. 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. The default mode for the Cisco 7304 router and Cisco 10000 series routers is SSO. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Step 4. Step 5: Enabling SSO reboots the. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. The routing protocols have been enhanced with NSF-capability and. SSO pair connected to upstream VSS pair with split links and RP connected back to back. Redundancy may not work due to differences between the Cisco IOS releases. Usage Guidelines. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. 4. Device(config-red)# mode sso: Configures stateful switchover. mode sso. Step 4. 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. Communications = Up. 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. Router(config-red)# end. Both controllers reboot and pair up in the SSO mode. configure redundancy mode sso. 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. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. 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. If peer unit's management and/or redundancy management entries are present as mobility members please remove them before enabling redundancy. Configuration Examples for DHCP High Availability. 61 /22. 61 /24. (Cisco Controller) >show redundancy summary. I tried to switch on SSO mode on both wlc 5520. . Wrong handling can happen and. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 3 and 7. Step 5: exit. RPR+-The show module command displays Warm. config redundancy mode sso. Enters redundancy configuration mode. Communications = Up . 1. 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. Router(config-red)# end. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non Redundant. My routers only show redundancy mode as none. Example: Device(config-red)# end: Exits redundancy configuration mode and. 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. Convert RPR to SSO mode, this will force a reboot on standby supervisor. WLC のステータスや設定を確認する. # redundancy Switch(config-red)# mode sso Switch(config-red)# end Switch# show redundancy states my state = 13 -ACTIVE peer. configure redundancy mode sso. Route Processor Redundancy (RPR) refers to the provision of support for the redundancy feature. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. 131. The mode sso command can be entered only from within redundancy configuration mode. ※ このドキュメントでは AireOS 8. mode sso. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven pput ower supply modules). Step 6: mode sso. 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 2 Router(config-red)# mode sso Configures SSO. 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. 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. 12. Step 4. Check the Current ISSU and Install States 7. . 2(20)EWA and later releases. Operating Redundancy Mode = rpr. (NSF) with a stateful switchover (SSO) when a supervisor-level failure occurs. SSO is supported in Cisco IOS-XE Release 3. Router# copy running-config. Communications = Up. Stateful Switchover is particularly useful in conjunction with Nonstop. 2(20)EWA and later releases. mode sso. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. insrc-redundant. 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 Recommended procedure for ROMMON upgrade of Supervisor in VSS Quad-Sup SSO (V4SO): Use the command upgrade rom-monitor to upgrade the ROMMON image, preference region/invalidate region on current active Supervisor. The 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. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. Step 3 Router# show running-config Verifies that SSO is enabled. after reboot ASR can used single processer but, when I show redundancy configure still mode sso I used in config t and redundancy and default-exit and enter and save non reboot after then show config again config in redundacy mode none Bias-Free Language. auto-sync bootvar. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Cisco 3504 Controllers. configure redundancy mode ssoEnters redundancy configuration mode. Once config is bulk-synced the primary unit is now in HOT STANDBY. ホット スタンバイ WLC の設定. When we simulate a problem by powering off the Active Controller, the standby controller will reboot, all of our APs loose. Local State = ACTIVE. Step 5. Step 6. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. mode sso. (NSF) with a stateful switchover (SSO) when a supervisor-level failure occurs. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. 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. Recovery Mode Yes Yes Default GW Check Yes Yes LACP, PAGP with SSO No Yes SMU for controller patching No Yes. SSO is supported in Cisco IOS Release 12. Step 5. 0. The mode sso command can be entered only from within redundancy configuration mode. 3. 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. mode sso. SSO is supported in Cisco IOS Release 12. 150. 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. = SSO Redundancy Mode (Configured) = SSO Redundancy State = Non Redundant Manual Swact = disabled (system is simplex (no peer unit)) Communications = Down Reason:. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. Step 6. Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115Enters global configuration 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. You can configure an n+1 redundant mode. Step 4. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. The system has experienced 4 switchovers. Cisco IOS XE Software, Version 17. auto-sync running-config. Router(config-red)# end. Enters redundancy configuration mode. NSF with SSO supports IP Version 4 traffic and protocols only; NSF with SSO does not support IPv6 traffic. Note After configuring SSO mode, the standby RP will automatically reset. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. What can be the reason. 4) Once WLC is back verify the Boot image version is matching with the Primary. SSO-The show module command displays Hot. end. 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 9: router bgp autonomous-system-number. 3. 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. Router(config)# mode sso. Enters global configuration mode. The engine will synchronize the configuration and. Example: Device (config-red)# end Controller # show redundancy Redundant System Information : ----- Available system uptime = 6 days, 9 hours, 23 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = not known Hardware Mode = Simplex Configured Redundancy Mode = SSO Operating Redundancy Mode = SSO Maintenance Mode = Disabled Communications. Step 3:. Step 2: mode sso Example: Switch (config-red)# mode sso Configures SSO. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. The VSS runs stateful switchover (SSO) between the VSS active and standby supervisor engines (see Figure 5. client count = 109 . Now if the HA unit is indeed an HA sku, then you don't need to have any license and all you have to do is enable secondary unit: config redundancy unit secondary. The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any. Router#show redundancy Redundant System Information : ----- Available system uptime = 6 days, 4 hours, 17 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . Switch# show running-config. Router# configure terminal. 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). Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :-----Active Location = Switch 2 Current Software state =. (Cisco Controller) >show redundancy summary Redundancy Mode = SSO ENABLED Local State = ACTIVE Peer State = UNKNOWN - Communication Down. Step 4: mode SSO Example: Router(config)# mode SSO Configures SSO. 151. SSO is supported in Cisco IOS Release 12. Ensures that the PFC operating mode matches on both chassis, to ensure that the VSS comes up in SSO redundancy mode. Note SSO is not supported if the IOS-XE software is running in the LAN Base mode. Example: Router(config)# exit Example: Router # Enters redundancy configuration mode. 2(20)EWA and later releases. Step 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. Enters redundancy configuration mode. 3 255. redundancy mode sso. Step 6. SSO pair connected to upstream VSS pair with RP connected via the upstream set of switches in order to detect gateway down scenario. The available power is the total power capacity of all power supplies. The Cisco Nexus 9504, 9508, 9516,. Step 4: mode SSO Example: Router(config)# mode SSO: Configures SSO. 2. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. 5 and the other is running 3. From both WLC GUIs or CLIs, one can perform simple connectivity tests,. 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. Catalyst 4500/4500-X series switches' VSS does not support route processor redundancy (RPR) mode. Save the configuration on the controller. The mode sso command can be entered only from within redundancy configuration mode. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven power supply modules). Check if Auto-Boot is Enabled 6. Usage Guidelines. The mode sso command can be entered only from within redundancy configuration mode. 6. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Enters redundancy configuration mode. Command Modes. Configures SSO. Connect with console to it and check which state it is in. Redundancy may not work due to differences between the Cisco IOS. 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. 在本示例中，高可用性 (HA)状态切换 (SSO)配置在运行相同Cisco IOS软件版本的两个9800-CL实例之间，这些实例已配置有独立的WMI，且可在以下位置访问 GUI: 第一个地址为IP地址10. end. Heres the redundancy cfg: redundancy. client count = 149 client_notification_TMR = 30000 milliseconds. 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 1. For more information, see Chapter 1, “Route Processor Redundancy (RPR). Redundant System Information :----- Available system uptime = 44 weeks, 2 days, 6 hours, 12 minutes. While implementing Nonstop Forwarding (NSF) technology in systems using SSO. This step is complete when the chassis configuration is synchronized, as indicated by the Bulk sync succeeded message. end. x. Step 4. Sets the redundancy configuration mode to SSO on both the active and standby RP. mode sso. 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. SSO functions in networking devices (usually edge devices) that support dual RPs. Configured Redundancy Mode = sso. All unsaved configuration will be saved. Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to.