Hey Arie, I actually asked this same question to Cisco. The official response I got was this:
Extract: This should work to some extent. However, for the large network I don't know how reliable you can run this system for sure. You are basically forcing static route in MSFC to forward traffic to the client vlan of the CSM. This is not something desirable way to do routing on the CSM. Especially bridge mode. There will "only" be 2 VIP's setup this way & never anymore. There will be many additional VIPs that will be created using an VIP IP in the same address range as the real server addresses (Text book scenario). If the customer were to change the 2 VIP addresses it requires a massive amount of logistics to do so, hence the reason why I am considering doing it this way. I would really like to here what people have to say in relation to this response & if I should be concerned in doing it like this for just 2 VIP's only. Regards, Brad On Tue, Apr 8, 2008 at 5:59 PM, Arie Vayner (avayner) <[EMAIL PROTECTED]> wrote: > 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: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Brad Case > Sent: Tuesday, April 08, 2008 02:27 AM > To: [email protected] > 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 > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
