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RE: VRF/MPLS on Linux
From: Nathan Eisenberg <nathan () atlasnetworks us>
Date: Tue, 23 Aug 2011 15:12:32 +0000

    Thank you for your reply.  The one issue I have is how can I label
traffic to match a given table (i.e. ping VRF or snmp VRF).  I don't
see any way this can be done with normal BSD sockets, finding a way to
get my application to 'color' the traffic has been a little evasive.
The developers I am working with are using Mule for their data
collection.  I would really prefer to add an MPLS tag to mark the
traffic, but I will investigate what I can do using the Linux routing
features and 802.1q tags.
I don't know about Mule, but Zabbix has the concept of premise-based proxy servers which work around this issue, and it 
works quite well.  

Perhaps this issue can be solved at the application layer with some similar proxying methodology, rather than making 
this a very complicated routing issue?

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