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New Contributor III

Exporting SIP signalling to text

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I found this helpful post: https://supportforums.adtran.com/message/2248 and was able to set a packet dump in hex format and import to Wireshark PCAP. However, I am having difficulty getting SIP signalling to be exported in hex format and importing to a PCAP in a format that actually shows sip messaging. Does anybody have experience setting this up?

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Valued Contributor
Valued Contributor

Re: Exporting SIP signalling to text

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Hi ss_daveh:

I like to create an ACL to define what I want to debug/dump in the console.  Example:

ip access-list extended sip-capture

  remark sip-capture

  permit udp any any eq 5060

Start logging to a text file in your terminal application, then use the following command at the enable prompt to begin the packet dump:

debug ip packet sip-capture dump

When finished:

undebug all (or just u a)

Stop your text logging and then follow the instructions in the post you mentioned to convert the text log to a PCAP file.

Sometimes it's important to collect data over a long period, but SSH/telnet sessions typically timeout after a few minutes.  I found this article helpful to setup persistent debugging over a longer period: 

Good luck,

Chris

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Valued Contributor
Valued Contributor

Re: Exporting SIP signalling to text

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Hi ss_daveh:

I like to create an ACL to define what I want to debug/dump in the console.  Example:

ip access-list extended sip-capture

  remark sip-capture

  permit udp any any eq 5060

Start logging to a text file in your terminal application, then use the following command at the enable prompt to begin the packet dump:

debug ip packet sip-capture dump

When finished:

undebug all (or just u a)

Stop your text logging and then follow the instructions in the post you mentioned to convert the text log to a PCAP file.

Sometimes it's important to collect data over a long period, but SSH/telnet sessions typically timeout after a few minutes.  I found this article helpful to setup persistent debugging over a longer period: 

Good luck,

Chris

View solution in original post

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New Contributor III

Re: Exporting SIP signalling to text

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Thanks cj!

I had edited my access list to not capture the correct info. Thanks for the quick and helpful advice.