Configure a backup route

September 14, 2021

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To prevent disruption in services when the primary route is down, you can configure a backup route. Once the backup route is configured, the Citrix ADC appliance automatically uses it when the primary route fails. First create a primary virtual server as described inConfiguring an LLB Virtual Server and Binding a Service．配置备份路由,创建一个次要的virtual server similar to a primary virtual server and then designate this virtual server as a backup virtual server (route).

In the following diagram,Router-vipis the primary virtual server, andBackup_Router-vipis the secondary virtual server designated as the backup virtual server.

Figure 1. Backup Route Setup

Backup Route Setup

Note:If your ISP has provided an IPv6 address, replace the IPv4 service with an IPv6 service in the preceding figure.

By default, all traffic is sent through the primary route. However, when the primary route fails, all traffic is diverted to the backup route as shown in the following diagram.

Figure 2. Back up Routing in Operation

Back up Routing in Operation

Note:If your ISP has provided an IPv6 address, replace the IPv4 service with an IPv6 service in the preceding figure.

To set the secondary virtual server as the backup virtual server by using the command line interface

At the command prompt, type:

set lb vserver  -backupVserver

Example:

             设置磅vserver Router-vip -backupVServer Backup_Router-vip > show lb vserver Router-vip Router-vip (0.0.0.0:0) - ANY Type: ADDRESS State: UP Last state change was at Fri Sep 3 04:46:48 2010 Time since last state change: 0 days, 03:09:45.600 Effective State: UP Client Idle Timeout: 120 sec Down state flush: ENABLED Disable Primary Vserver On Down : DISABLED No. of Bound Services : 1 (Total) 1 (Active) Configured Method: ROUNDROBIN Mode: IP Persistence: DESTIP Persistence Mask: 255.255.255.255 Persistence v6MaskLength: 128 Persistence Timeout: 2 min Backup: Router2-vip Connection Failover: DISABLED Done 
            

To set the secondary virtual server as the backup virtual server by using the configuration utility

Navigate toTraffic Management > Load Balancing > Virtual Serversand select the secondary virtual server for which you want to configure the backup virtual server.
In theLoad Balancing Virtual Serverdialog box, underAdvanced, selectProtection．
In theBackup Virtual Serverdrop-down list, select the secondary backup virtual server, and then clickOK．

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Configure a backup route

September 14, 2021

Contributed by:

September 14, 2021

Contributed by:

Configure a backup route

To set the secondary virtual server as the backup virtual server by using the command line interface

To set the secondary virtual server as the backup virtual server by using the configuration utility

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