[c-nsp] csm Bride Mode Simple scenario. Is it Possible?

[Arie Vayner (avayner)]

Brad,

You should just make sure the virtual IP is routable on the MSFC. The
best way is to use the "advertise" command on the virtual server.

Arie 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Brad Case
Sent: Tuesday, April 08, 2008 02:27 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] csm Bride Mode Simple scenario. Is it Possible?

Hi Guys,
I have a question that I simply cannot find an answer to on the Cisco
site in regards to the CSM in Bridge mode.
Is it possible to have the vserver (VIP) IP in a differnt 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



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.


Regards,

Brad
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