CSM Is it possible to have the vserver (VIP) IP in a different subnet range

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Apr 7th, 2008
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CSM - Is it possible to have the vserver (VIP) IP in a different subnet range than the real IP addresses in the serverfarm that is bound to it?



In other words, as an example a typical bridge configuration is like this:





vlan 221 client


ip address 10.20.220.2 255.255.255.0


gateway 10.20.220.1


!


vlan 220 server


ip address 10.20.220.2 255.255.255.0


<<<<<<<<<<<<Two VLANs with the same IP address are bridged together>>>>>>>>>>>>>>>>>.


serverfarm WEBFARM


nat server


no nat client


real 10.20.220.10


inservice


real 10.20.220.20


inservice


!


vserver WEB


virtual 10.20.220.100 tcp www


serverfarm WEBFARM


persistent rebalance


inservice


==================================================================================


NOW:

=====


Is it possible to do something like this:


==================================================================================



vlan 221 client


ip address 10.20.220.2 255.255.255.0


gateway 10.20.220.1


!


vlan 220 server


ip address 10.20.220.2 255.255.255.0


<<<<<<<<<<<<Two VLANs with the same IP address are bridged together>>>>>>>>>>>>>>>>>.



serverfarm WEBFARM


nat server


no nat client


real 10.20.220.10


inservice


real 10.20.220.20


inservice


!


vserver WEB


virtual 50.40.220.99 tcp www <<<<<<<<<< Place the IP address in a different subnet than the IP's in the serverfarm >>>>>>>>>>>>>>>


serverfarm WEBFARM


persistent rebalance


inservice




<<<<<<<<On the MSFC place a static route to route the 50.40.220.99 address towards the CSM IP on vlan 221>>>>>>>>>.



ip route 50.40.220.99 255.255.255.255 10.20.220.2




Please if somebody knows if this is or is not possible it would be highly appreciated to hear your feedback.



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