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160 ServerIron ADX Global Server Load Balancing Guide
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GSLB affinity for high availability
1
Syntax: show gslb site <site-name>
The field "Cfg HA peer" shows the config
ured HA peer Site ServerIron ADX for this Site ServerIron
ADX.
Displaying the dynamically detected HA pairs
To view the dynamically detected ServerIron ADX HA pairs, use the following command on the GSLB
ServerIron ADX.
ServerIronADX#show gslb dns detail

ZONE: gslb1.com
HOST: www:
(Global GSLB policy)
Flashback DNS resp.
delay selection
(x100us) counters
TCP APP Count (%)
* 1.1.1.133: dns real-ip DOWN N-AM -- -- 0 (0%)
* 1.1.1.44: dns real-ip DOWN N-AM -- -- 0 (0%)
* 1.1.1.101: dns v-ip ACTIVE N-AM 0 0 7 (100%)
Active Bindings: 1
site: local, weight: 0, ServerIronADX: 1.1.1.102
HA Peer ServerIronADX(dynamic): 1.1.1.105
session util: 0%, avail. sessions: 5999981
preference: 128
Metric counter (count [selection-metric]):
3[health-check]
Affinity selection count = 4

* 1.1.1.116: dns real-ip DOWN N-AM -- -- 0 (0%)
Syntax: show gslb dns detail
The output above shows that for VIP 1.1.1.101, the GSL
B ServerIron ADX dynamically detected Site
ServerIron ADXs 1.1.1.102 and 1.1.1.105 to be in a HA configuration. In particular, it detected that
VIP 1.1.1.101 is in active state on ServerIron ADX 1.1.1.102 and is in standby state on ServerIron
ADX 1.1.1.105.