Minimum gslb configuration, Site persistence in gslb using stickiness – Brocade Communications Systems ServerIron ADX 12.4.00 User Manual
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ServerIron ADX Global Server Load Balancing Guide
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Site persistence in GSLB using stickiness
1
The
session keys for.
The
The regenerate-key-interval
regenerate session keys for the peer site ServerIron ADX. Each time a connection is set up, this key
is regenerated and negotiated.
The
The random option configures the controller to regenerate session keys for the peer site ServerIron
ADX at a bounded random frequency.
When used with random, the
regeneration duration in minutes. The key will be randomly regenerated between 1 minute and the
upper bound specified by the duration parameter.
Minimum GSLB configuration
Following is a sample minimum GSLB controller configuration for Secure GSLB. Note the si
secure-communication command.
server real dns-rs 20.20.20.105
port dns
port dns one "brocade.com"
port dns proxy
port http
port http url "HEAD /"
!
!
server virtual dns-vs 8.8.8.200
port dns
port http
bind dns dns-rs dns
bind http dns-rs http
!
gslb protocol
gslb sit brocade
si si-1 2.2.2.1
si si-2 2.2.2.3 secure-communication
gslb dns zone brocade.com
host-info www http
Site persistence in GSLB using stickiness
Sticky GSLB enables the GSLB controller to return the same IP address if a client sends multiple
DNS requests within a configurable period of time. This feature ensures the client is directed to the
site that was previously visited.
For example, a business case for Sticky GSLB includes when user-specific content is stored at one
site, such as a shopping cart. Being redirected to a site that no longer stores the content would
result in a lost session.
To return the same IP address for a client that has sent requests previously, the GSLB controller
must save the following information: