Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 38

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26 ServerIron ADX Advanced Server Load Balancing Guide
53-1002435-01
Configuring SIP SLB
1
Rehashing the SIP hash table
This section describes the commands for hash table management. It contains the following
sections:
“Manual rehash” on page 26
Automatic rehash” on page 26
Manual rehash
Use the following command to manually rehash the hash table.
ServerIronADX# server sip-hash-table-rehash vip1 sip registrar-table
Syntax: server sip-hash-table-rehash <virtual server name> <virtual port> <registrar-table |
proxy-table>
Automatic rehash
Use the following command to set the hash table idle time for real server replacement.
ServerIronADX# server sip-hash-table-idle 300000
Syntax: server sip-hash-table-idle <sip-hash-table-idle-time>
Idle time for hash table server port replacement in the unit of seconds.
Default is 1000 seconds.
NOTE
With this command, if real server has been idling for <sip-hash-table-idle-time> or is not reachable
due to health check, then it will be replaced with a new healthy real server on arrival of new packet
to hash bucket. The replacement algorithm attempts to achieve equal distribution of hash-buckets
among available healthy real servers. The system will continue to assign idle or failed server
hash-buckets to another healthy server till it reaches equilibrium.
NOTE
Setting the idle time to 0 redistributes the hash buckets to include new healthy real servers.
Displaying SIP real server connection rate
Use the show server sip-conn-rate command to display the connectivity rate for a real server.
ServerIronADX(config)# show server sip-conn-rate proxy-server-1
Syntax: show server sip-conn-rate <real-server-name>
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