ServerIron ADX Global Server Load Balancing Guide 159
53-1002437-01
GSLB affinity for high availability 1
1. Make sure you configure HA groups for the ServerIron ADX. (Refer to “Configuring an HA group”
on page 157.)
2. Enable dynamic detection as a backup mechanism by entering commands such as the
following on the GSLB ServerIron ADX.
ServerIronADX# configure terminal
ServerIronADX(config)# gslb dynamic-peer-detect
ServerIronADX(config)# end
Syntax: [no] gslb dynamic-peer-detect
Displaying HA information

Displaying all HA groups

To view all the configured HA groups on the GSLB ServerIron ADX, enter the following command on
the GSLB ServerIron ADX.
ServerIronADX# show gslb ha-group-info
Configured GSLB HA groups:
* GSLB HA group: {ServerIron 1.1.1.55, ServerIron 1.1.1.65}
Virtual IPs for ServerIron 1.1.1.55: None
Virtual IPs for ServerIron 1.1.1.65: None
* GSLB HA group: {ServerIron 1.1.1.102, ServerIron 1.1.1.9}
Virtual IPs for ServerIron 1.1.1.102:
1.1.1.101(A)
Virtual IPs for ServerIron 1.1.1.9:
1.1.1.101(S)
Syntax: show gslb ha-group-info

Displaying the HA peer for a site

To view the configured HA peer for a Site ServerIron ADX, enter the following command on the GSLB
ServerIron ADX.
GSLB-ServerIronADX# show gslb site local
SITE: local
Enhanced RTT smoothing: OFF
ServerIronADX: 1.1.1.102:
state: SELF
Protocol Version: 4
distributed health-chk
Active RTT gathering: NO
Authenticate: NO, Encrypt: NO
Cfg HA peer: ServerIronADX 1.1.1.9
Current num. Session CPU load Preference Location Connection
sessions util(%) (%) (0-255) Load-Avg
18 0 99 128 N-AM --
Virtual IPs:
1.1.1.101(A)