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https://bro-tracker.atlassian.net/browse/BIT-1480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthew Domko updated BIT-1480:
-------------------------------
Attachment: ERSPAN-info.xps
> ERSPAN Supprt
> -------------
>
> Key: BIT-1480
> URL: https://bro-tracker.atlassian.net/browse/BIT-1480
> Project: Bro Issue Tracker
> Issue Type: New Feature
> Components: Bro
> Affects Versions: 2.3
> Environment: Using vCenter virtual switch, frames from monitored VMs
> are encapsulated using GRE and forwarded to my sensor on a different
> broadcast domain.
> Reporter: Matthew Domko
> Assignee: Vlad Grigorescu
> Labels: ERSPAN
> Attachments: erspan, ERSPAN-info.xps
>
>
> PCAP attached... Basically, bro recieves the erspan packet and doesn't
> recognize that it is just GRE with a slightly different format. All the
> packets get logged in bro with the ERSPAN source/dest addresses instead of
> the actual source/dest addresses. It seems like everything else is working.
> There was a discussion about this on a mailing list in the past, but no one
> provided PCAP.
> http://mailman.icsi.berkeley.edu/pipermail/bro/2015-April/008347.html
> And someone else released a tool to do the decapsulation on the side:
> http://staff.washington.edu/corey/gulp/
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