[Bro-Dev] [JIRA] (BIT-854) problem with VLAN/MPLS packet dumping

Seth Hall (JIRA) jira at bro-tracker.atlassian.net
Fri Sep 4 05:51:00 PDT 2015


    [ https://bro-tracker.atlassian.net/browse/BIT-854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21942#comment-21942 ] 

Seth Hall commented on BIT-854:
-------------------------------

This is related to BIT-1398 but that includes some more information so I'm going to close this one.

> problem with VLAN/MPLS packet dumping
> -------------------------------------
>
>                 Key: BIT-854
>                 URL: https://bro-tracker.atlassian.net/browse/BIT-854
>             Project: Bro Issue Tracker
>          Issue Type: Problem
>          Components: Bro
>    Affects Versions: git/master
>            Reporter: Jon Siwek
>
> report from Carsten Langer:
> {noformat}
> By the way: you have in my opinion a problem with packet dumping. If the
> trace contains VLAN or MPLS, you strip off VLAN/MPLS and if then you
> dump the packet, then the dumped trace is missing the Ethernet header
> for these packets, while the Ethernet header is still there for packets
> which did not have VLAN/MPLS. My previous GTP-detunneling did the same
> mistake, now I have introduced a fake Ethernet header so that if the
> packet is dumped, is still has its Ethernet header.
> {noformat}



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