10-03-2012 11:32 AM
Two ACEs LoadBalancers are setup as active standby in routed mode.
serverfarm host s1
predictor leastconns
probe PROBE_HTTP
rserver app1
inservice
rserver app2
inservice
class-map match-all s1_CLASS
2 match virtual-address 10.12.7.11 tcp any
policy-map type management first-match remote_mgmt_allow_policy
class remote_access
permit
policy-map type loadbalance first-match s1_POLICY
class class-default
serverfarm s1
policy-map multi-match POLICY
class s1_CLASS
loadbalance vip inservice
loadbalance policy s1_POLICY
loadbalance vip icmp-reply active
we had one connection from client to app2 server
performed a code upgrade on LB2 ,did a swithover to make LB2 active,.the client connection was still on app2 server
when LB1 was upgraded and made it primary , the connection was still on app2 .
but after couple mins was seeing the connection on app1 ,instead of app2 .
please help me on this
when
when
10-03-2012 12:01 PM
you don't have any stickyniss configured. So your connections (also from the same client) can land on any of your two servers. That's a normal behaviour.
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10-03-2012 01:15 PM
is there anyway I can get this working ,without sticky configured .for a persistence connection.
10-03-2012 01:19 PM
what exactly is not working?
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10-04-2012 04:00 PM
Hi,
What you saw it is totally expected behavior.
What happens is that the ACE will keep the connections active and they will be served until the either the connection is closed by the client( by closing the browser) or times out due to inactivity, then if you switchover to another ACE then all "NEW" connections will be handled by the new master ACE since there´s no reason to send the traffic to the previous master ACE because it is not longer the Primary.
Again, this is expected.
Hope this helps
Jorge
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