[j-nsp] Re-write rule for GRE interface

Mark Radabaugh mark at amplex.net
Fri Jan 14 22:08:21 EST 2011


On 1/14/11 9:59 AM, Shiva Shankar wrote:
> Hi All, I'm trying to mark the DSCP value on a GRE packet, so that the telco
> can handle as per our contracted services. I've tried
> 'copy-tos-to-outer-ip-header', but it doesn't work as the inner datagram of
> a GRE packet is a MPLS datagram.
> Here, how it looks on the wire (found using packet capture)
>
> Frame>>>Ethernet II header>>>  IP packet>>>  GRE header>>>  MPLS header>>>
> origianl IP packet with data
>
> A Layer 3 VPN packet while leaving the local PE to remote PE, uses GRE
> interface which has LDP enabled.
>
> I've tried even applying dscp rewrite rules, but it doesn't work. Any ideas.
>
> Thanks
> Shiva
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Platform and software version?

-- 
Mark Radabaugh
Amplex

mark at amplex.net  419.837.5015



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