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Forum Discussion

smedakkar_85975's avatar
smedakkar_85975
Icon for Nimbostratus rankNimbostratus
Apr 15, 2013

How to change only IP packet's destination address?

Hi,   I have a SIP INVITE passing through my F5 which is load balancing my back-end servers, and I'm trying to change only the destination address of the IP packet. I need the source to stay the s...
application delivery
dev
devops
iRules
John_Alam_45640's avatar
John_Alam_45640
Historic F5 Account
Apr 15, 2013
SIP is a little complicated. If you change the destination address, you will have to change the via header as well to reflect your outside interface.

 

https://devcentral.f5.com/wiki/iRules.SIP__via.ashx

 

 

Try studying this iRule and see if it helps:

 

https://devcentral.f5.com/wiki/iRules.SIP_topology_hiding_and_forward_proxy.ashx

 

 

Also look here: https://devcentral.f5.com/community/group/aft/13134/asg/50