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 = Up Current. Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :-----Active Location = slot 5 Current Software state = ACTIVE Uptime in current state = 6 days, 5 hours, 28 minutes Image Version = Cisco IOS Software, Catalyst L3 Switch Software Cisco NSF は、SSO 対応のデバイスにおけるルーティング フラップを抑止することによって、ネットワークの安定性を保ちます。 Cisco NSF と SSO により、スイッチオーバー後にルーティング プロトコル情報が復元される間も、既知のルートでデータ パケットの. config redundancy mode sso on primary. Configured Redundancy Mode = sso. show redundancy Redundant System Information :-----Available system uptime = 11 hours, 31 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none. Redundancy may not work due to differences between the Cisco IOS. Router# show redundancy states. Router# copy running. The mode sso command can be entered only from within redundancy configuration mode. l’adresse IP 10. (NSF) with a stateful switchover (SSO) when a supervisor-level failure occurs. 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 reset. (Optional) Backup the Startup Config and Running Config files of the controllers. Switchovers system experienced = 0. 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. Communications = Up . We will definitely upgrade are fus code. SSO is supported in Cisco IOS Release 12. 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 mode sso command can be entered only from within redundancy configuration mode. Step 7: mode sso. The engine will synchronize the configuration and. you then add the SSO redundancy commands on the active supervisor and you can insert the prepared new supervisor. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the to support SSO mode. Example: Device(config-red)# mode sso: Configures stateful switchover. 6. 2(20)EWA and later releases. 1. 12. 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 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. Check if Switches are in SSO Mode 5. Stateful Switchover is particularly useful in conjunction with Nonstop. Step 6. Initiate a switchover using the command redundancy force-switchover. Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. This feature is supported on all WLC models supporting HA SSO feature: Cisco 8500 Series WLCs . 56. x. Configures SSO. Catalyst 4500 series switches allow a standby supervisor engine to take over if the active supervisor engine fails. Cisco ASR1006 supports the stateful failover from an active Enhanced Services Processor (ESP) to a standby and from an active Route Processor to a standby on the same box. 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. 151. Step 1. Step 4. Displays the operating redundancy mode. When this command is entered, the standby switch is reloaded and begins to work in SSO 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. Once you get them on the same version, you will be able to get to SSO. Connect redundancy ports together on primary/secondary. 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 noneUse the power redundancy-mode {combined. mode sso. This example shows how to set the redundancy mode to SSO: Device(config)# redundancy Device(config-red)# mode sso Device(config-red)# policy config-sync prc reload. Step 6. Example: Device (config-red)# mode sso: Configures SSO. Step 5. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non Redundant. 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 =. Step 4. Sets the redundancy configuration mode to SSO on both the active and standby RP. 5 and the other is running 3. 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. 2. With NSF/SSO, peer networking devices do not experience routing flaps. License for 100 APs, 96 APs in use. † Software upgrade. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant 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. 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. Sets the redundancy configuration mode to SSO on both the active and standby RP. 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. Router# show running-config. auto-sync running-config. Redundancy State = sso . config redundancy mode sso. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine starts up in a fully-initialized state and synchronizes with the persistent configuration and the running configuration of the active supervisor engine. Sets the redundancy configuration mode to SSO on both the active and standby RP. Example: Router(red-config)# exit: Exits to global configuration mode. 90. Enters redundancy configuration mode. Once you get them on the same version, you will be able to get to SSO. Enters redundancy configuration mode. To disable Cisco StackWise Virtual, use the no form of this command. 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. 3 and 7. Hardware redundancy on the Cisco ASR 1000 Series Routers gives users the following benefits: A failover option—If a processor fails, the standby processor immediately becomes the active processor with little or no delay. SSO is supported in Cisco IOS Release 12. 2(20)EWA and later releases. EMD EARLY DEPLO. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. (Cisco Controller) >show redundancy summary Redundancy Mode = SSO ENABLED Local State = ACTIVE Peer State = UNKNOWN - Communication Down. This step is complete when the chassis configuration is synchronized, as indicated by the Bulk sync succeeded message. Hardware Mode = Duplex. 1 Disabling SSO on HA Pair 1 On primary controller, disable SSO using the command: config. 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. end. When you configure the controller for HA SSO, the Cisco 600 Series OfficeExtend Access Points are not supported. Maintenance Mode = Disabled. Hardware Mode = Simplex. 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. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. For more information, see Chapter 1, “Route Processor Redundancy (RPR). A router in SSO redundancy mode checkpoints Layer 2 protocol states and line card operation. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). Example: Device (config-red)# mode sso: Configures SSO. The processing of mirroring this information between route processors is known as checkpointing. Enters configuration mode. x. 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. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. 2. 2(20)EWA and later releases. 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 redundant supervisor engine is reloaded and begins to work in SSO mode. What is redundancy mode Cisco? 4. 0. 39. Router(config)# mode sso. 2(20)EWA and later releases. This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO). Communications = Up. mode sso. Router (config)# redundancy. The feature is enabled by default when the redundancy mode of operation is set to SSO. 3. x. SSO is supported in Cisco IOS Release 12. If it is in ROMMON, try boot with manual "boot" command. The default standby power supply slot is PS8. +1 is the power supply module reserved for redundancy. Stateful Switchover enabled routers will always checkpoint line card. After changing the license boot level in sso, you only need to restart the standby engine. Copy the New Image to be Upgraded / Downgraded ISSU Workflows - Actual Upgrade One Step Work Flow Three Step Work Flow Post ISSU Checklist Action. Note • The two Gigabit Ethernet interfaces on the redundant supervisor engine are always active unless you enter the fabric switching-mode allow dcef-only command. Upgrade the current active Supervisor. Step 5: exit. x. The system has experienced 4 switchovers. Exits redundancy configuration mode and returns the switch to privileged EXEC 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. General Restrictions Two RPs must be installed in the chassis, each running the same version of the Cisco IOS software. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. mode sso. HTH,. 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. Step 3: redundancy Example: Router(config)# redundancy Enters redundancy configuration mode. When this command is entered, the redundant supervisor engine 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. 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. 2016-10-12 10:10 AM 2017-09-01 03:01 AM 更新. The New High Availability feature i. Step 5. Usage Guidelines. Example: Device(config-red)# end: Exits redundancy configuration mode and. ATM SSO is not configurable and runs by default on networking devices configured with ATM and Redundancy Mode SSO. Cisco 3504 WLCs. Introduction; Whats New in Cisco IOS XE Dublin 17. x. With RPR, the backup supervisor engine is partially initialized and. † Software. SSO is supported in Cisco IOS Release 12. A redundancy VLAN is connected to the redundant port on Cisco WiSM2 through the backplane. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. hw-switch switch 1 logging onboard message level 3. Example: Device(config-red)# exit: Exits redundancy. Configures SSO. NSF Operation. Router (config-red)# end. (Optional) Ensure network. 12. Cisco 5520 wireless LAN controller has a failover RP Port. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 2(20)EWA 以降のリリースでサポートされます。. Step 2: mode sso. All unsaved configuration will be saved. SSO works with Cisco NSF, which helps reduce the switchover downtime on Layer 3. Step 3 Perform write memory. 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 verifies that software has set the. The default mode for the Cisco 12000 series routers is RPR. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Enters redundancy configuration mode. Example: Device(config-red)# end: Exits redundancy configuration mode and. 配置. Configures SSO. Example: Device (config-red)# mode sso: Configures SSO. Route Processor Redundancy (RPR) refers to the provision of support for the redundancy feature. 130，称为WLC1; 第二个地址为IP地址10. Operating Redundancy Mode = sso. Step 3: end Example: Switch (config-red)# end Returns to EXEC mode. What is redundancy mode? 3. Step 4. Redundancy may not work due to differences between the Cisco IOS. 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. Enters redundancy configuration mode. Connect the network ports. Step 3: end. Step 5 . We have an SSO HA implementation with 2x 5520 (both AIR-CT5520-K9), software version 8. Switchovers system experienced = 5. Step 4. The Cisco RF Gateway 10 Supervisor Engine 7-E uplink ports are not recommended for data or management traffic in Supervisor Redundancy Mode. 0. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. I will show you how to make a wireless-controller-cluster. For more. #sh redundancy Redundant System Information :-----Available system uptime = 6 days, 17 hours, 12 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Simplex Configured Redundancy Mode = sso Operating Redundancy Mode = Non-redundant Maintenance Mode =. Enters redundancy configuration mode. On the standby. Step 5: Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. 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 mode sso command can be entered only from within redundancy configuration mode. x（Catalyst 9200 スイッチ）コマンドリファレンス. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. The software upgrade procedure supported by supervisor engine redundancy allows you to reload the Cisco IOS software image on the redundant supervisor engine, and once complete, reload the active supervisor engine once. (Operational) = sso Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115 client_notification_TMR = 30000 milliseconds RF debug mask = 0x0 Device# show. This feature is supported on all controller models supporting HA SSO feature: Cisco 8500 Series Controllers . Switch# show running-config. RPR redundancy mode is used. Step 5: exit. 48. Step 3:. Note Use the show redundancy and show issu state commands throughout the upgrade to verify the status of the upgrade. Router# show running-config. 4. Redundancy may not work due to differences between the Cisco IOS releases. Note Enabling SSO initiates a controller reboot. 3. Step 3 Router# show running-config Verifies that SSO is enabled. 101. Example: Device(config-red)# end: Exits redundancy configuration mode and. After this the WLC will reboot and come back as Primary and Standby WLC again. When you configure the controller for HA SSO, the Cisco 600 Series OfficeExtend Access Points are not supported. Step 4. 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. (See the “Performing a Software Upgrade” section on page 8-12. configure redundancy mode sso. Step 5: Enabling SSO reboots the. Step 5. The primary will reboot to enable sso and pull the config from the current active (secondary in this case) unit xml on boot. Step 2 Router(config-red)# mode sso Configures SSO. 255. 5. The system has experienced 4 switchovers. 0. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. Step 6. 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. Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. (Operational) = sso Redundancy Mode. 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. Sets the redundancy configuration mode to SSO on both the active and standby RP. 2(20)EWA and later releases. Step 5. Step 5. [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. Switch# show running-config. Standby として動作していた WLC のポートを変更するか、コンフィグの初期化する. 2016-10-12 10:10 AM 2017-09-01 03:01 AM 更新. Switch-1(config)# platform hardware vsl pfc mode non-xl (Optional) Sets the PFC operating mode to PFC4 on Chassis A. SSO is supported in Cisco IOS Release 12. 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. Router# copy running. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Step 6 . SSO HSRP. # redundancy Switch(config-red)# mode sso Switch(config-red)# end Switch# show redundancy states my state = 13 -ACTIVE peer. Example: Device(config-red)# mode sso: Configures stateful switchover. NSF is supported by the BGP, OSPF, and EIGRP routing protocols and is supported by Cisco Express Forwarding (CEF) for forwarding. Table 1 Power Redundancy Modes; 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. WLC のステータスや設定を確認する. 0. SSO is supported in Cisco IOS Release 12. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Returns to EXEC mode. 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. 2(20)EWA and later releases. 2(20)EWA and later releases. (Optional) Ensure network connectivity. 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. 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. Operating Redundancy Mode = RPR. Usage Guidelines. 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. Check the Boot Mode 3. 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. 0 10. Enters redundancy configuration mode. 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 supervisor modules to support SSO mode. client count = 149 client_notification_TMR = 30000 milliseconds. 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. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Check the Boot Mode 3. Configured Redundancy Mode = sso. SSO redundancy mode provides all the functionality of RPR+ mode in that IOS software is fully initialized on the both RSPs. end. Both RPs must run the same Cisco IOS image. auto-sync bootvar. 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. 0 を. With RPR, the backup supervisor engine is partially initialized and must reload. (Cisco Controller) >show redundancy summary. exit 6. Step 4: mode sso. 2. Supervisor engine redundancy allows OIR of the redundant supervisor engine for maintenance. Only the top two ports are. To do this, we will use “redundancy” command under global configuration mode and after that we will select mode with “mode sso” command. Check the Current ISSU and Install States 7. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. (RTU Evaluation License by now) - Network Connection beween the WLC5520: LAG. In an HA environment using FlexConnect locally switched clients, the client information might not show the username. 2(20)EWA and later releases. 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 =. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating mode. end. 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. 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 mode sso command can be entered only from within 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. I have 2x 5508 in SSO mode. Sets the redundancy configuration mode to SSO on both the active and standby RP. mode sso. config redundancy mode sso. Step 2. Step 2 Router(config-red)# mode sso Configures SSO. Image Version = Cisco IOS Software, IOS-XE Software, Catalyst 3 850 L3 Switch Software (CAT3850-UNIVERSALK9-M), Version 03. End with CNTL/Z. Enters redundancy configuration mode. From Cisco IOS XE Amsterdam 17. 0. Configuraties. The mode sso command can be entered only from within redundancy configuration mode. Usage Guidelines. This made the standby WLC to go into maintenance mode. Sets the redundancy configuration mode to SSO on both the active and standby RP. 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 =. Last switchover reason = none. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. 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. Example: Device(config-red)# mode sso: Configures stateful switchover. Step 6. It designates one of the RPs as the active RP and the other as the standby. The time required by the device to switch over from the active RP to the standby RP varies by platform: Although the newly active processor takes over almost immediately following a switchover, the time required for the device to begin operating again in full redundancy (SSO) mode can be several minutes, depending on the platform. 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 available power is the total power capacity of all power supplies. 130，稱為WLC1; 第二個地址IP地址10. 5 and the other is running 3.