Brocade Virtual ADX Global Server Load Balancing Guide (Supporting ADX v03.1.00) User Manual
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Brocade Virtual ADX Global Server Load Balancing Guide
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Displaying GSLB information
1
DNS TTL
Indicates the value (number of seconds) to which the GSLB ADX device changes
the TTL in each DNS record in the DNS responses before sending them to the
client’s DNS server.
NOTE: If the Modify DNS response TTL field contains “DISABLE”, the ADX
device does not change the TTLs, regardless of the value in this field.
DNS check interval
Indicates how frequently the GSLB ADX device refreshes its zone and host
information with DNS servers.
Remote SI status update period Indicates how frequently the remote ADX devices send status updates to the
GSLB ADX device through the GSLB protocol.
Session capacity threshold
Specifies how close to its maximum session capacity the site ADX device
(remote ADX device) can be and still be eligible as the best site for the client. If a
site ADX device exceeds the threshold, the site ADX device is ineligible to be the
best site.
Session capacity tolerance
Specifies the percentage by which the number of available sessions on the site
ADX device can differ from the number of available sessions on another site
ADX device and still be considered an equally good site. Refer to
device’s available session capacity tolerance”
Flashback appl-level delay
tolerance
Indicates the percentage of difference that can exist between application level
FlashBack response times for two sites, without the ADX device preferring one
site over the other based on this metric.
TCP-level delay tolerance
Indicates the percentage of difference that can exist between Layer 4
FlashBack response times for two sites, without the ADX device preferring one
site over the other based on this metric.
TABLE 10
GSLB policy information (Continued)
Field
Description