Debug command – Brocade Communications Systems ServerIron ADX 12.4.00 User Manual
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ServerIron ADX Global Server Load Balancing Guide
53-1002437-01
Displaying the contents of active RTT cache entries
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Client IP address: 30.30.1.2
Domain : www.l47qa.com
Number of hashed IPs for domain : 3
Number of active IPs for domain : 3
Client IP hashes to bucket number: 63
IP associated with hash bucket 63: 20.20.1.100
Your Client IP 30.30.1.2 will be serviced by domain IP 20.20.1.100
Displaying weighted hash-based GSLB persistence
The following command will show the list of active DNS domain IPs of a zone, weight value
configured for each IP, number of hash buckets allocated for each IP and usage counter for each IP.
Syntax: show gslb phash active-ip [all | zone-name
The command should be used on Barrel Processors only. User should use the "rconsole
Barrel Processor.
Here is the sample output of this command.
ServerIronADX# show gslb phash active-ip all
Persistent Hash active IP address for www.l47qa.com
active IP: 20.20.1.100, weight: 100, buckets: 212, usage: 0
active IP: 30.30.1.100, weight: 10, buckets: 22, usage: 0
active IP: 40.40.1.100, weight: 10, buckets: 22, usage: 0
Debug command
User can configure the following command to enable debugging for weighted hash-based GSLB
persistence.
ServerIronADX# debug phash
Syntax: [no] debug phash
Displaying the contents of active RTT cache entries
To display the contents of the active RTT cache entries on the site ServerIron ADX, enter a
command such as the following:
Syntax: show gslb active-rtt-cache
The
corresponding prefix entry in the site ServerIron ADX active RTT cache.
Site-ServerIronADX#show gslb active-rtt-cache 1.1.1.42
Prefix length = 20, Prefix = 1.1.0.0
Age = 90, Cache Interval = 600
Refresh Age = 90, Refresh Interval = 600
ICMP query initiated = 1, ICMP query in progress = 0
DNS query initiated = 0, DNS query in progress = 0