Difference between revisions of "Wireshark does not show fragmented SIP packets"

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'''Wireshark''' does not show fragmented SIP packets (usually INVITE packets), it looks like this in the Wireshark interface:
'''Wireshark''' does not show fragmented SIP packets (usually INVITE packets), it looks like this in the Wireshark interface:


[[File:wireshark_reassemble_setting.png]]<br>
[[File:wireshark_fragmented_pcap.png]]<br>


<br><br>
<br><br>
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The option is available under Edit --> Preferences --> Protocols --> IPv4 window
The option is available under Edit --> Preferences --> Protocols --> IPv4 window
[[File:wireshark_reassemble_setting.png]]<br>


[[File:wireshark_fragmented_pcap.png]]<br>
With the option '''Reassemble fragmented IP datagrams'''' disabled, Wireshark will display a fragmented SIP message
With the option '''Reassemble fragmented IP datagrams'''' disabled, Wireshark will display a fragmented SIP message


[[File:wireshark_not_fragmented_pcap.png]]<br>
[[File:wireshark_not_fragmented_pcap.png]]<br>

Revision as of 08:40, 6 December 2022

The Problem

Wireshark does not show fragmented SIP packets (usually INVITE packets), it looks like this in the Wireshark interface:

Wireshark fragmented pcap.png



The Solution

Disable (uncheck) 'Reassemble fragmented IP datagrams' option.

The option is available under Edit --> Preferences --> Protocols --> IPv4 window Wireshark reassemble setting.png

With the option Reassemble fragmented IP datagrams' disabled, Wireshark will display a fragmented SIP message

Wireshark not fragmented pcap.png