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Clearing the persistent hash table, Reassigning a persistent hash table entry – Brocade Virtual ADX Server Load Balancing Guide (Supporting ADX v03.1.00) User Manual

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Brocade Virtual ADX Server Load Balancing Guide

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Hash-based SLB with server persistence

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Clearing the hit count for the persistent hash table

To clear the hit count for the persistent hash table for a virtual server port, enter commands such
as the following.

Virtual ADX(config)#server virtual-name-or-ip http-vs

Virtual ADX(config-vs-http-vs)#port http clear-persist-hash-statistics

Virtual ADX(config-vs-http-vs)#end

Syntax: port port clear-persist-hash-statistics

Clearing the persistent hash table

To clear the persistent hash table (all assignments and hit counts) for a virtual server port, enter
commands such as the following.

Virtual ADX(config)#server virtual-name-or-ip http-vs

Virtual ADX(config-vs-http-vs)#port http clear-persist-hash-buckets

Virtual ADX(config-vs-http-vs)#end

Syntax: port port clear-persist-hash-buckets

Reassigning a persistent hash table entry

To manually reassign a persistent hash table entry to a real server for a specified client IP, enter a
command such as the following.

Virtual ADX#show server manual-persist-assign-hash 10.1.1.33 http-vs 80 http-rs1

80

Hash bucket for Client IP 10.1.1.33 = 36

Server http-rs1 allocation to bucket 36 of specified virtual server for port 80

completed!

Syntax: show server manual-persist-assign-hash client-ip virtual-server-name virtual-port

real-server-name real-port

If you manually assign a real server for a hash table entry for which another real server is currently
assigned, the new real server will replace the old real server for the hash entry as follows.

Virtual ADX#show server manual-persist-assign-hash 10.1.1.33 http-vs 80 http-rs2

80

Hash bucket for Client IP 10.1.1.33 = 36

Replacing current server http-rs1 allocated for hash 36 with server http-rs2

Server http-rs2 allocation to bucket 36 of specified virtual server for port 80

completed!