ServerIron ADX Global Server Load Balancing Guide 69
53-1002437-01

Site persistence in GSLB using stickiness 1

Sticky GSLB counters

To display how many times an IP address was selected as the best candidate for a client request,

enter the following command.

2/3 #show gslb dns detail
ZONE: gslb.com
HOST: www:
(GSLB policy: test)
Flashback DNS resp.
delay selection
(x100us) counters
TCP APP Count (%)
* 100.1.1.30: dns v-ip ACTIVE N-AM 0 0 13 (100%)
Active Bindings: 1
site: local, weight: 0, SI: 100.1.1.1
session util: 0%, avail. sessions: 5999973
preference: 128
Metric counter (count [selection-metric]):
1[least-response]
Sticky selection count = 12
* 100.1.1.40: dns v-ip DOWN N-AM -- -- 0 (0%)
site: local, weight: 0, SI: 100.1.1.1
session util: 0%, avail. sessions: 5999973
preference: 128
preference: 128
Not selected yet
* 100.1.1.10: dns v-ip ACTIVE N-AM 0 0 0 (0%)
Active Bindings: 1
site: local, weight: 0, SI: 100.1.1.1
session util: 0%, avail. sessions: 5999973
preference: 128
Metric counter (count [selection-metric]):
Not selected yet
HOST: ftp:
(Global GSLB policy)
Flashback DNS resp.
delay selection
(x100us) counters
TCP APP Count (%)
* 100.1.1.10: dns v-ip ACTIVE N-AM 0 0 ---
Active Bindings: 1
site: local, weight: 0, SI: 100.1.1.1
session util: 0%, avail. sessions: 5999973
preference: 128

Notice the line "Sticky selection count = 12". It means 100.1.1.30 was selected 12 times as the

best host for a client request. The other IPs have not been selected yet.

Syntax: show gslb dns detail