Brocade Communications Systems ServerIron ADX 12.4.00 Manuale Utente
ServerIron ADX Global Server Load Balancing Guide
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Displaying GSLB information
1
Guidelines and recommendations for using this feature
We recommend that you observe the following guidelines when using this feature:
•
The GSLB controller and ServerIron ADX Side functionality (remote or local) should not be
configured on the same ServerIron ADX.
configured on the same ServerIron ADX.
•
Domain IPs should be VIPs rather than real IP hosts to minimize the health-check load on the
GSLB controller.
GSLB controller.
•
Anytime a site ServerIron ADX state is changed from optimized to non-optimized (or vise versa)
you must reload the controller.
you must reload the controller.
•
If the GSLB optimization feature is enabled on the GSLB controller, then it is recommended to
not enable SLB for other services (enabling other services can cause resource problems).
not enable SLB for other services (enabling other services can cause resource problems).
•
The GSLB controller will support maximum of 2048 GSLB enabled VIPs from all site
ServerIrons. You must ensure that maximum number of GSLB enabled VIPs received from all
sites does not exceed 2048.
ServerIrons. You must ensure that maximum number of GSLB enabled VIPs received from all
sites does not exceed 2048.
•
To reduce the CPU usage, especially when there are many zones and GSLB enabled VIPs
configured, the GSLB optimization features should be enabled on both the GSLB controller and
GSLB site ServerIron ADXs as described in
configured, the GSLB optimization features should be enabled on both the GSLB controller and
GSLB site ServerIron ADXs as described in
•
When a Site ServerIron ADX has more than 256 SLB VIPs the controller health-status interval
should be set to 5 seconds (default value) or longer.
should be set to 5 seconds (default value) or longer.
Displaying GSLB information
Displaying site information
You can display the following site information:
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ServerIron ADX name and management IP address
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Site name (displayed only if you display information for all sites rather than an individual site)
•
State of the GSLB protocol connection between GSLB ServerIron ADX and site ServerIron ADX
•
Number of sessions in the ServerIron ADX’s session table
•
The percentage of the total number of sessions the ServerIron ADX can maintain that are in
use
use
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The percentage of the ServerIron ADX’s CPU that is actively engaged in SLB and other activities
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The numeric preference value for this site ServerIron ADX
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The geographic location of the ServerIron ADX
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The virtual IP addresses (VIPs) configured on the ServerIron ADX
To display information for the sites you have configured on the GSLB ServerIron ADX, use either of
the following methods.
the following methods.