3. 1. Maintenance Mode = Disabled. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit. . The active pseudowire. Convert RPR to SSO mode, this will force a reboot on standby supervisor. 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. With NSF/SSO, peer networking devices do not experience routing flaps. client count = 149 client_notification_TMR = 30000 milliseconds. main. 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. SSO on the other hand is fully initialized. 10. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. SSO is supported in Cisco IOS Release 12. 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. Router(config-red)# end. Step 5. Step 2: mode sso. Step 5. What can be the reason. end. configure interface address management 10. Usage Guidelines. 2(20)EWA and later releases. 3. Example: Device(config-red)# mode sso: Configures stateful switchover. Step 4. To set the redundancy mode to stateful switchover (SSO), use the mode sso command in redundancy configuration mode. Router# show redundancy states. and the redundant supervisor engine boots into a partially-initialized state in RPR mode and a fully-initialized state in SSO mode. 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. Step 5. Router(config)# mode sso. Note Enabling SSO initiates a controller reboot. High availability SSO is setup and is working good. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. If I enter SSO mode on the second node I got an error: >config redundancy mode sso WARNING: 1. 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. %HA-5-MODE:Operating mode is sso, configured mode is sso. CiscoStackWiseVirtualRedundancy 15 SSORedundancy 15 NonstopForwarding 16 MultichassisEtherChannels 16 MECMinimumLatencyLoadBalancing 16 MECFailureScenarios 17. The New High Availability feature i. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Cisco IOS XE Software, Version 17. 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. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Router# configure terminal. Configured Redundancy Mode = sso. Step 3. I have 2x 5508 in SSO mode. Router(config)# mode sso. n+1 redundant Mode—n number of power supply modules are active (n can be one to seven power supply modules). Redundancy Mode (Configured) = 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. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Usage Guidelines. 5. Redundancy configuration (config-red)This command supports Route Processor Redundancy (RPR) with the Cisco uBR10012 router. Image Version = Cisco IOS Software, Catalyst L3 Switch Software (CAT9K_IOSXE),Experimental Version 16. Step 3: redundancy Example: Router(config)# redundancy Enters redundancy configuration mode. I will show you how to make a wireless-controller-cluster. Step 4: 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. To enter the redundancy main configuration submode and enable the standby switch, use the main-cpu command in 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. x. For Enterprise Services or IP Base mode, use ISSU to upgrade software for both RPR and SSO redundant mode. 4. Step 6: mode sso. Step 4: 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. Router (config-red)# end. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. ASR は2種類のRP redundancy modeがあります。 RPR Route Processor Redundancy とSSO Stateful Switchover になります。 RPR を使用すると、スタンバイ RP を設定することができます。RPR を設定する場合、 スタンバイ RP はブートアップ時に Cisco IOS ソフトウェアをロードし、スタンバイ モードで自身を初期化します. Connected to network with 4x10G links. Example: Device(config-red)# end: Exits redundancy configuration mode and. >> configure the IP of the redundancy management interface with: config interface address redundancy-management <new IP > <new IP for the peer redundancy management interface> This needs to be done on both of them using the console connection and then enable the SSO again as: >> config redundancy mode sso. Step 2: mode sso . Example: Device(config-red)# mode sso: Configures stateful switchover. 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. 0. When a redundant supervisor engine runs in SSO mode, the redundant supervisor engine. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. Exits configuration mode and returns to the. 除了这些IP地址外，还. Step 5. Maintenance Mode = Disabled. If SSO mode cannot be established between the active and standby switches because of an incompatibility in the configuration file, a mismatched command list (MCL) is generated at the active switch and a reload into route processor redundancy (RPR) mode is forced for the standby switch. Route Processor Redundancy is supported only on routers that support dual RSPs. 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. SRM is inherent with SSO, which brings up the standby route processor. 39. Configure redundancy with RMI + RP pairing. 2016-10-12 10:10 AM 2017-09-01 03:01 AM 更新. Example: Device (config-red)# mode sso: Configures SSO. When a failover occurs, the standby device seamlessly takes over, starts performing traffic forwarding services, and maintains a dynamic routing table. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. The processing of mirroring this information between route processors is known as checkpointing. The sku on the box for the HA should have this part number: air-ct5508-ha-k9. Redundancy may not work due to differences between the Cisco IOS releases. Redundancy Mode (Configured) = sso Redundancy State = sso Maintenance Mode = Disabled Manual Swact = enabled Communications = Up client count = 115Cisco 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. Communications = Up. EMD EARLY DEPLO. Step 4. 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. SSO is supported in Cisco IOS Release 12. 2. Example: Device (config-red)# mode sso: Configures SSO. RPR+-The show module command displays Warm. Step 6. = Non-redundant Redundancy Mode (Configured) = sso Redundancy State = Non Redundant. = sso Redundancy Mode (Configured) = sso Split Mode = Disabled Manual Swact = Enabled Communications = Up client count = 29 client_notification_TMR = 30000 milliseconds keep_alive TMR. 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. 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. 147 as the Redundancy Management IP and controller2 with 9. Only the top two ports are. Operating Redundancy Mode = sso. Step 4. Step 5:. 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. 56. Example: Device(config-red)# exit: Exits redundancy. Stateful Switchover enabled routers will always checkpoint line card. The redundancy port in standalone controllers and the redundancy VLAN in Cisco WiSM2 are assigned. This mode utilizes two electrical grids, each one powering a half module within each power supply. Dans cet exemple, la commutation avec état (SSO) haute disponibilité (HA) est configurée entre deux instances 9800-CL, qui exécutent la même version du logiciel Cisco IOS, qui ont été configurées avec des WMI séparés et avec une interface utilisateur graphique accessible à l'adresse. The NSF capability on Cisco Catalyst 9300 Series Switches can. Cisco 3504 Controllers. Enters redundancy configuration mode. 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. Step 5. 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. restart the Wireless controller in maintenance mode. Step 5. 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. What is SSO switchover? 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. Active WLC 上で SSO の mode を disable にする. Learn more about how Cisco is using Inclusive Language. By default, the system synchronizes all system files, which is the typical setting for most applications. Introduction; Whats New in Cisco IOS XE Dublin 17. 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. SSO Operation. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. Router(config)# mode sso. . Router# show running-config. +1 is the power supply module reserved for redundancy. Configured Redundancy Mode = SSO. It is setup in the below settings but I am not running a pair of these switches. 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. 0. 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. Enters global configuration mode. Cisco 5520 wireless LAN controller has a failover RP Port. 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 =. 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. 39. 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. 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. If it is in ROMMON, try boot with manual "boot" command. 3. 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. 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 =. When this command is entered, the redundant supervisor engine is reloaded and begins to work in SSO mode. Example: Device(config-red)# mode sso: Enables the redundancy mode of operation to SSO. Note Use the show redundancy and show issu state commands throughout the upgrade to verify the status of the upgrade. 255 ! interface GigabitEthernet1/0/4 ip vrf forwarding vpn1 ip address 10. Catalyst 4500/4500-X series switches' VSS does not support route processor redundancy (RPR) mode. If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco IOS library. 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. Step 5: exit. 0SG and later releases. Enters redundancy configuration mode. The two supervisors operate in an active/standby capacity in which only one of the supervisor modules is active at any given time, while. Cisco Employee. HA_CONFIG_SYNC-6-BULK_CFGSYNC_SUCCEED: Bulk Sync succeeded Switchover Process Restrictions. • 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. Step 5: end. Check if There is Sufficient Available Memory on Flash 4. 4) Once WLC is back verify the Boot image version is matching with the Primary. AP SSO set within the Cisco Unified Wireless Network software release v7. Redundancy may not work due to differences between the Cisco IOS releases. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. I performed a failover test (by executing command "redundancy force-switchover" and after the standby controller rebooted, HA seems to no longer be working: From active controller. Cisco Employee. 4. 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. 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. Check if Switches are in SSO Mode 5. Step 8: exit. x. Step 2 Enter the redundancy config-sync ignore mismatched-commands EXEC command at the active standby supervisor engine. 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. Note After configuring SSO mode, the standby RP will automatically reset. Router# show redundancy states. Step 6. Step 2: mode sso. @Ivan Shirshin wrote: Hi, It is likely standby sup is stuck in boot or ROMMON mode as it is showing Other status in the outputs above. Enter configuration commands, one per line. Redundancy may not work due to differences between the Cisco IOS releases. Hardware Mode = Simplex. Redundancy Mode = SSO ENABLED. Step 3: end . We will definitely upgrade are fus code. 6. Check the Boot Mode 3. Switch(config-red)# mode sso. ”. Hope that helps! -Bradley Selzer. config redundancy mode sso. 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. reload Table 7-3 Software Redundancy Options for Cisco ASR 1002 and 1004 Routers Router Default HA Setting Options with 2 GB or DRAM Options with 4 GB or DRAM Cisco ASR 1002 Router None None None, RPR, SSO Cisco ASR 1004 Router None None None, RPR, SSO3) Issue the reset system. in my case it was secondary. End with CNTL/Z. SSO Operation SSO is supported in Cisco IOS Release 12. Step 1. l’adresse IP 10. Redundancy State = sso . Router# copy running. 6. x. Save the configuration on the controller. Check if Auto-Boot is Enabled 6. SSO HSRP alters the behavior of HSRP when a device with redundant Route Processors (RPs) is configured for stateful switchover (SSO) redundancy mode. (Cisco Controller) >show redundancy summary. . Note SSO is not supported if the IOS-XE software is running in the LAN Base mode. Router(config-red)# 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. What is redundancy mode? 3. Usage Guidelines. Heres the redundancy cfg: redundancy. %HA-5-MODE:Operating mode is sso, configured mode is sso. Solved: Hi, I need help to get a HA SSO setup running. 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. 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. Step 4. The available power is the total power capacity of all power supplies. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to privileged EXEC mode. 2. Usage Guidelines. Usage Guidelines. Example: Device#. Switch# show running-config. Enters redundancy configuration mode. Usage Guidelines. SSO also synchronizes critical state information. Step 2. When this command is entered, the standby switch is reloaded and begins to work in SSO mode. The software will prompt to reboot the Standby Supervisor (in slot 5) - confirm to reboot - exit configuration mode and save the configuration. Sets the redundancy configuration mode to SSO on both the active and standby RP. The show redundancy and show issu state commands verify that redundancy mode is enabled and that SSO and NSF are configured. Configured Redundancy Mode = sso Operating Redundancy Mode = sso Maintenance Mode = Disabled Communications = Up Current Processor Information :----- Active Location = slot 1/2 Current Software state = ACTIVE Uptime in current state = 36 minutes Image Version = Cisco IOS Software, s2t54 Software (s2t54-ADVENTERPRISEK9-M),SSO is supported in Cisco IOS Release 12. When an RP is active and the other RP is standby, SSO enables the standby RP to take over if the active RP fails. 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. mode sso. Note After configuring SSO mode, the standby RP will automatically reset. Enters redundancy configuration mode. 133 voor de tweede, WLC2 genoemd. 61 /22. 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 = 23 hours, 52 minutes Image Version = Cisco IOS Software [Fuji], Catalyst L3 Switch Software. Redundancy may not work due to differences between the Cisco IOS. A critical component of SSO and Cisco HA technology is the cluster control manager (CCM) that manages session re-creation on the standby processor. Router(config)# mode sso. Enters redundancy configuration mode. [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. The system has experienced 4 switchovers. Step 5: exit. Running the Supervisor card in RPR or SSO operating mode enables Supervisor redundancy. Configures 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. Both controllers reboot and pair up in the SSO mode. Enters redundancy configuration mode. SSO is supported in Cisco IOS Release 12. Sets the redundancy configuration mode to SSO on both the active and standby RP. 3 allows the AP to establish CAPWAP tunnel with Active WLC and share mirror copy of AP database with Standby WLC. RF debug mask = 0x0. SSO HSRP. RPR redundancy mode is used. Example: Device(config-red)# end: Exits redundancy configuration mode and returns to. 1. Router (config)# redundancy. Switchovers system experienced = 0. The new High Availability (HA) feature (that is, AP SSO) set within the Cisco Unified Wireless Network software release version 7. Enters redundancy configuration mode. mode sso. Configures SSO. 1. x. end. The switch is. Note Enabling SSO initiates a controller reboot. † Software upgrade. Step 2 Router(config-red)# mode sso Configures SSO. Cisco SSO Operation. Check the Current ISSU and Install States 7. 2(20)EWA and later releases. 1 Disabling SSO on HA Pair 1 On primary controller, disable SSO using the command: config. mode sso. end. 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. 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. (RTU Evaluation License by now) - Network Connection beween the WLC5520: LAG. 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. Step 4. SSO pair connected to upstream VSS pair with split links and RP connected back to back. The following guidelines and restrictions apply to supervisor engine redundancy: •If SSO mode cannot be established between the active and standby supervisor engines because of an incompatibility in the configuration file, a mismatched command list (MCL) is generated at the active supervisor engine and a reload into RPR. 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. 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. 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. 12 255. Step 5. 03. Standby failures = 0. End with CNTL/Z. Step 4: mode sso. main-cpu. The switch is supports route processor redundancy (RPR). This feature is supported on all WLC models supporting HA SSO feature: Cisco 8500 Series WLCs . Step 3. Sets the router in SSO redundancy mode. 48. In software, supervisor engine redundancy is enabled by running the redundant supervisor engine in route processor redundancy (RPR) or stateful switchover (SSO) operating 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. Router# configure terminal Router(config)# redundancy Router(config)# mode SSO Router(config)# exit Router# reload Stateful Switchover. Chapter 5 Configuring Supervisor Engine Redundancy Using RPR and SSO About Supervisor Engine Redundancy SSO supports stateful switchover of the following Layer 2 features. Cisco NSF helps to suppress routing flaps in SSO-enabled devices, thus reducing network instability. 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 5: Enabling SSO reboots the controllers to negotiate the HA role as per the configuration performed. Configures SSO. 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 stateful switchover. Configurations. 11 peer-redundancy-management 10. Example: Device(config-red)# mode sso: Configures stateful switchover. To. ※ このドキュメントでは AireOS 8. SSO provides RP redundancy by establishing one of the RPs as the active processor and the other RP as. Step 3:. Current Processor Information :----- Active Location = slot 1 Current Software state = ACTIVE. 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. 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. Check if Switches are in SSO Mode 5. Step 3:. 2. The default mode for the Cisco 7500 series routers is HSA. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the supervisor modules to support SSO mode. The mode sso command can be entered only from within redundancy configuration mode. The 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. Communications = Up . (Optional) Backup the Startup Config and Running Config files of the controllers. If the HA unit is not an HA sku, then you need a minimum of 50 ap license. Follow these guidelines when configuring your system to SSO mode: You must use identical Cisco IOS images on the to support SSO mode. SSO pair connected to upstream VSS pair with RP connected via the upstream set of switches in order to detect gateway down scenario. Usage Guidelines. Stateful Switchover is particularly useful in conjunction with Nonstop. Step 9: router bgp autonomous-system-number. Enters redundancy configuration mode. The Cisco RF Gateway 10 Supervisor Engine 7-E uplink ports are not recommended for data or management traffic in Supervisor Redundancy Mode. SSO is supported in Cisco IOS Release 12. The Supervisor 7-E card has four uplink ports on its front panel. When this command is entered, the standby switch is reloaded and begins to work in 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. Sets the redundancy configuration mode to SSO on both the active and standby RP. 90. 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. In case of n+1 redundancy, access points are configured with primary, secondary, and tertiary controllers. HSRP is SSO aware on interfaces that are configured for HSRP and the standby RP is automatically reset.