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Keep realserver IP as source in CSS

Hi

Is there any way to keep real server IP address as source in the requests instead of VIP in CSS configuration.

Thanks

Shanil

6 REPLIES
Cisco Employee

Keep realserver IP as source in CSS

Hi Shanil,

I may be able to help if you explain a bit more in detail what you are trying to achieve.

If you try to establish a connection an IP address (in this case the VIP), but the reply comes from a different one (the rserver), the connection would fail, so what would be the point of getting the real server IP instead of the VIP?

Regards

Daniel

New Member

Re: Keep realserver IP as source in CSS

Thanks for the reply Daniel..

my scenarion i have loadbalacing for my exchange..i need to know the users are getting mails from which realserver.

here with CSS loadbalacning iam seeing the VIP of exchange in user mails,

Cisco Employee

Re: Keep realserver IP as source in CSS

Hi Shanil,

As I mentioned in my first email, if connections is sent towards the VIP address but the reply comes from the server, the client will reset the connection, so what you are trying to do doesn't make sense.

I don't see any reason why clients should be aware of the server that replied to the request (that's precisely one of the objectives of load-balancing, doing it transparently for the user, showing only the virtual server), but, if you really need to do it, I would suggest you to insert a cookie or header in the replies identifying the server.

Regards

Daniel

New Member

Re: Keep realserver IP as source in CSS

This requirements is for our system admin team to know which real server serving the request, and i need this only for Exchange. Could you please advise the configuration for  insert a cookie or header in the replies identifying the real server in CSS?

New Member

Re: Keep realserver IP as source in CSS

Appreciate any help on this...

Sent from Cisco Technical Support iPhone App

Cisco Employee

Re: Keep realserver IP as source in CSS

Hi Shanil,

Adding headers or cookies to requests is something done by the servers themselves. I cannot help you with that.

Daniel

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