2. Step 2: mode sso. 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. Manual Swact = enabled . 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. 3 and 7. SSO redundancy mode provides all the functionality of RPR+ mode in that IOS software is fully initialized on the both RSPs. One switch is running 3. In Cisco Wireless LAN Controllers, high availability is achieved with redundancy. Redundancy Mode Support in Cisco IOS Releases Platform Mode 12. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. 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. If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco IOS library. Check the Boot Mode 3. I Think that the righ status of SSO Configuration must be like: Hardware Mode = Duplex. ”. %HA-5-MODE:Operating mode is sso, configured mode is sso. SSO HSRP. 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. Maintenance Mode = Disabled. The ISSU feature allows deployment of new features, hardware, services, and maintenance fixes in a procedure that is seamless to end users. 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. Configure redundancy with RMI + RP pairing. Redundancy may not work due to differences between the Cisco. Step 3 Router# show running-config Verifies that SSO is enabled. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. Step 5: end. The NSF capability on Cisco Catalyst 9300 Series Switches can. Example: Device(config-red)# mode sso: Configures stateful switchover. 12. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. Example: Device(config-red)# mode sso: Configures stateful switchover. 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. Refer to the Catalyst 4500 Series Switch Cisco IOS Command Reference and related publications. 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. The SSO model monitors the health of the active controller via a redundant (HA) port. SSO-The show module command displays Hot. Enters redundancy configuration mode. 2 (11)BC3. 39. The available power is the total power capacity of all power supplies. NSF and SSO must be configured before attempting an ISSU. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. Returns to EXEC mode. Redundancy may not work due to differences between the Cisco IOS. 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 =. The engine will synchronize the configuration and. 0. EMD EARLY DEPLO. Router> enable. Step 5. 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. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Go to solution. Step 4: mode sso. The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any given time, while. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . 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. Step 5. Step 3. Inbox redundancy with Stateful Switchover (SSO) mechanism provides redundancy within the same device. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. Redundancy may not work due to differences between the Cisco. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE),Experimental Version 16. After changing the license boot level in sso, you only need to restart the standby engine. On the Cisco 8500 Series Catalyst Edge Platform, Stateful Switchover (SSO) can be used to enable a second IOS process. Stateful Switchover is particularly useful in conjunction with Nonstop Forwarding. If you perform an online insertion and removal (OIR) of the module, the switch resets during the stateful switchover and the. Configured Redundancy Mode = sso. Redundancy Mode (Operational) = sso Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up. 101. Router# copy running-config. My routers only show redundancy mode as none. redundancy 4. Step 4. The mode sso command can be entered only from within redundancy configuration mode. Recovery Mode Yes Yes Default GW Check Yes Yes LACP, PAGP with SSO No Yes SMU for controller patching No Yes. Description. SSO is supported in Cisco IOS-XE Release 3. Switch-1(config)# platform hardware vsl pfc mode non-xl (Optional) Sets the PFC operating mode to PFC4 on Chassis A. (Optional) Ensure network. x. x. restart the Wireless controller in maintenance mode. NSF Operation. Check the Boot Mode 3. Cisco SSO Operation. Stateful Switchover enabled routers will always checkpoint line card. 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 =. Step 5. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. And it has to be Layer 2 between the 2 RPs, so either directy connected or through a VLAN. We were testing a WLC HA Pair failure scenario wherein we removed the RP port connection from Active WLC. Router# copy running-config startup-config %HA-5-MODE:Operating mode is sso, configured mode is sso. WLC のステータスや設定を確認する. #sh redundancy Redundant System Information :-----Available system uptime = 1 year, 7 weeks, 1 day, 2 hours, 8 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none. 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. 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 switch is supports route processor redundancy (RPR). 39. Configuring Route Processor Redundancy SSO Mode configure terminal redundancy mode sso main-cpu standby. Note After configuring SSO mode, the standby RP will automatically reset. The default standby power supply slot is PS8. 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. end. Active WLC 上で SSO の mode を disable にする. Router(config-red)# end. Step 4: mode sso. Redundant System Information :----- Available system uptime = 44 weeks, 2 days, 6 hours, 12 minutes. I am seeing the SSO is established. 131. This step is complete when the chassis configuration is synchronized, as indicated by the Bulk sync succeeded message. SSO functions in networking devices (usually edge devices) that support dual RPs. 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. “Configuring NSF with SSO Supervisor Engine Redundancy”). Redundancy may not work due to differences between the Cisco IOS releases. 0 10. config redundancy mode sso on primary. Cisco StackWise Virtual Redundancy. The. 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. Router(config-red)# end. x [S2C-build-v16x_throttle-4064-/. Step 6: mode sso. . Enters redundancy configuration mode. Router# configure terminal. Configuraties. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non Redundant. A redundancy VLAN is connected to the redundant port on Cisco WiSM2 through the backplane. It is setup in the below settings but I am not running a pair of these switches. General Restrictions Two RPs must be installed in the chassis, each running the same version of the Cisco IOS software. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset. 56. SSO pair connected to upstream VSS pair with RP connected via the upstream set of switches in order to detect gateway down scenario. 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. 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. Example: Device(config-red)# mode sso: Configures stateful switchover. 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. In Cisco Wireless LAN Controllers, redundancy is achieved in two ways— n+1 and AP SSO redundancy. 59. • 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. The software will prompt to reboot the Standby Supervisor (in slot 5) - confirm to reboot - exit configuration mode and save the configuration. 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. 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. And the output of the "show redundancy" is: Hardware Mode = Duplex. The mode sso command can be entered only from within redundancy configuration mode. 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. SSO は、Cisco IOS Release 12. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. RTR02-Sec#sh redundancy. High availability SSO is setup and is working good. +1 is the power supply module reserved for redundancy. Step 4. 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. 2(20)EWA and later releases. 08. 102. In an HA environment using FlexConnect locally switched clients, the client information might not show the username. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. 5 and the other is running 3. Example: Device(config-red)# mode sso: Configures stateful switchover. Enters redundancy configuration mode. (Cisco Controller) >show redundancy summary. Exits redundancy configuration mode and returns the switch to privileged EXEC mode. 2(20)EWA and later releases. Cisco NSF helps to suppress routing flaps in SSO-enabled devices, thus reducing network instability. The switch is. Cisco Employee. (Optional) Backup the Startup Config and Running Config files of the controllers. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. The standby will sync its configuration from. 1. 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. 10. 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# show running-config. 1. 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. . When this command is entered, the standby switch is reloaded and begins to work in SSO mode. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 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. 除了這些IP地址外. Both RPs must run the same Cisco IOS image. Communications = Up. End with CNTL/Z. Enters redundancy configuration mode. Check the Current ISSU and Install States 7. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Enters redundancy configuration mode. Cisco IOS Software, Catalyst 4500 L3 Switch Software. Maintenance Mode = Disabled. 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. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Switch(config-red)# end. 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. (RTU Evaluation License by now) - Network Connection beween the WLC5520: LAG. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. 7) Initiate the reset system self make sure that to verify all the AP's Up and Primary working fine. SSO pair connected to upstream VSS pair with RP connected via the upstream set of switches in order to detect gateway down scenario. Cisco StackWise Virtual operates stateful switchover (SSO) between the active and standby switches. 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. 168. 2(20)EWA and later releases. To disable Cisco StackWise Virtual, use the no form of this command. Enters redundancy configuration mode. Supervisor engine redundancy allows OIR of the redundant supervisor engine for maintenance. Step 3. Uptime in current state = 4 days, 21 hours, 27 minutesYes you need the RP in order to build SSO. End with CNTL/Z. Usage Guidelines. This feature is not supported on the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst 9500 Series Switches. Hope that helps! -Bradley Selzer. Redundancy may not work due to differences between the Cisco IOS. Cisco NSF works with the SSO feature. It designates one of the RPs as the active RP and the other as the standby. Usage Guidelines. x（Catalyst 9200 スイッチ）コマンドリファレンス. (Operational) = sso Redundancy Mode. 9. The default mode for the Cisco uBR10012 universal broadband router is SSO. 4. Switch# show running-config. 133 voor de tweede, WLC2 genoemd. 0. Book Contents Book Contents. Enters redundancy configuration mode. Step 4. If you perform an online insertion and removal (OIR) of the module, the switch resets during the. 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 redundant supervisor engine is reloaded and begins to work in SSO mode. What is SSO switchover? 5. Redundancy may not work due to differences between the Cisco. Step 2: mode sso Example: Switch (config-red)# mode sso Configures SSO. Usage Guidelines. Configured Redundancy Mode = SSO. 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. Step 5. 0 !Router# show redundancy Redundant System Information : ----- Available system uptime = 39 minutes Switchovers system experienced = 1 Standby failures = 0 Last switchover reason = user forced Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. Communications = Up. Step 5. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 168. mode sso. 0. The sku on the box for the HA should have this part number: air-ct5508-ha-k9. Operating Redundancy Mode = RPR. mode SSO 5. Figure 2. Catalyst 4500 series switches allow a standby supervisor engine to take over if the active supervisor engine fails. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Check if There is Sufficient Available Memory on Flash 4. The mode sso command can be entered only from within redundancy configuration mode. Local State = ACTIVE. 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 =. configure redundancy mode ssoEnters redundancy configuration mode. Step 5. Switch# show. Switch# show running-config. SSO Operation. 3. This mode does not provide power redundancy. config redundancy mode sso. 48. Wrong handling can happen and. 2(20)EWA and later releases. Router(config)# mode sso. 255. 2(20)EWA and later releases. If it is in ROMMON, try boot with manual "boot" command. 10. Syntax Description. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). 48. Check if Auto-Boot is Enabled 6. 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. Note After configuring SSO mode, the standby RP will automatically reset. SSO is supported in Cisco IOS Release 12. Note Enabling SSO initiates a controller reboot. 0 を. Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :-----Active Location = Switch 2 Current Software state =. Configured Redundancy Mode = SSO Operating Redundancy Mode = SSO Maintenance Mode = Disabled Communications = Down Reason: Simplex mode Current Processor Information :-----Active Location = slot 1 Current Software state = ACTIVE Uptime in current state = 6 days, 9 hours, 23 minutes Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 3 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 = Disabled Communications = Down. 2SXF OL-3999-08 8. VRRP and SSO can coexist but both features work independently. Step 4. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . 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. Example: Device(config-red)# mode sso: Configures stateful switchover. 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. Enters redundancy configuration mode. Enter config redundancy mode SSO command to enable SSO. SSO pair connected to upstream VSS pair with split links and RP connected back to back. 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. This made the standby WLC to go into maintenance mode. Step 4 Router# show redundancy states Displays the operating redundancy mode. 4. Example: Router(config-red)# mode sso. Note After configuring SSO mode, the standby RP will automatically reset. In the RPR mode, one of the supervisor engines is active and operational, while the second supervisor engine is in the standby 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. 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. Router# show running-config. 0. Step 2. Switchover Process Restrictions † If any changes to the fabric configuration happen simultaneously with an RP switchover, the chassis is reset and all line cards are reset. Step 5:. Step 2 Router(config-red)# mode sso Configures SSO. main. Step 5: redundancy. Step 5: exit. 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. 0. you then add the SSO redundancy commands on the active supervisor and you can insert the prepared new supervisor. exit Router(config)# exit. Configuration, forwarding, and state information are synchronized from the StackWise Virtual active switch to the redundant switch at startup, and whenever changes to the StackWise Virtual. CiscoStackWiseVirtualRedundancy 15 SSORedundancy 15 NonstopForwarding 16 MultichassisEtherChannels 16 MECMinimumLatencyLoadBalancing 16 MECFailureScenarios 17. Redundancy may not work due to differences between the Cisco. 5. client count = 109 . Last switchover reason = user_forced. Specify a standby slot, by entering the power redundancy-mode redundant n+1 standby-PSslot command. In this CCNP ENCOR lesson, we will focus on this redundancy mechanism. It is setup in the below settings but I am not running a pair of these switches. The mode sso command can be entered only from within redundancy configuration mode. The system has experienced 4 switchovers. 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. Ensures that the PFC operating mode matches on both chassis, to ensure that the VSS comes up in SSO redundancy mode. SSO is supported in Cisco IOS Release 12. 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 =. Hi! A custommer of mine tried to configure HA AP-SSO with two 5508 controllers. 2(20)EWA and later releases. Sw-4510R (config-red)#>redundancy Sw-4510R (config-red)#mode sso Changing to sso mode will. 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. One switch is running 3. SSO Operation SSO is supported in Cisco IOS Release 12. Connect redundancy ports together on primary/secondary. Once you get them on the same version, you will be able to get to SSO. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). mode sso. Chapter 5 Configuring Supervisor Engine Redundancy Using RPR and SSO About Supervisor Engine Redundancy SSO supports stateful switchover of the following Layer 2 features. 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. Redundancy-MGNT: 192. From both WLC GUIs or CLIs, one can perform simple connectivity tests,. 2(20)EWA and later releases. 2(20)EWA and later releases. Cisco 3504 Controllers. Running the Supervisor card in RPR or SSO operating mode enables Supervisor redundancy. When this command is entered, the standby switch is reloaded and begins to work in SSO mode.