Forum Discussion
Prakash_109945
Nimbostratus
NimbostratusiRule does not work after LTM upgrade
Hi,
I have an iRule which modifies SDP media port value before it is forwarded to the client. This iRule works fine on 9.4.8 but on 10.2.2. When I dump the packet contents on the client, there is no media port between the media type and media transport i.e instead of m=audio media-port RTP/AVP 0 8, the client dump just shows it as m=audio RTP/AVP 0 8. The modified value does not appear in the body.
Interesting thing is that a log statement in the iRule that prints the value of [SDP::media 0] after the modification shows correct value as m=audio modified-port RTP/AVP 0 8
Can you let me know if I am missing anything here? Any additional persists that I have to execute after moving to 10.2.2?
Thanks,
Prakash
4 Replies
- Chris_Miller
Altostratus
Have you created a support ticket? It's important for our folks to know when this happens so we can make sure it's in our documentation.
Can you post a version of the rule here? 
Prakash_109945No, I have not created a support ticket. Can you let me know how do I do it?
Here is the part of the iRule.
...
...
value of j is based on some condition above
log local0. "Chose port $j"
log local0. "Before updating media port, sdp media at index 0: [SDP::media 0]"
set orgPort [SDP::media port 0]
table set "rtp_out_$j" "$orgHost:$orgPort" 3600
log local0. "In SIP INVITE, for call with call-id $req_call_id , port $j mapped to [table lookup "rtp_out_$j" ] in rtp_out map"
table set "call_id_$req_call_id" $j 3600
SDP::media port 0 "$j"
log local0. "After updating media port, sdp media at index 0 is: [SDP::media 0]"
...
...- Chris_Millerhttp://www.f5.com/services/customer-support/contact/
You can either call or use the link at the bottom to open a ticket online. - Can u post the rule so we can take a look at it?
