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

ServerIron ADX Global Server Load Balancing Guide

69

53-1002437-01

 

Page 81
Image 81
Brocade Communications Systems 12.4.00 manual Sticky Gslb counters, Syntax show gslb dns detail