Sticky gslb counters – Brocade Communications Systems ServerIron ADX 12.4.00 User Manual

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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

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