From: Robert McCallum (rmccallum@thrupoint.net)
Date: Wed Aug 06 2008 - 11:24:56 ART
Your multicast traffic is IP based on not MPLS based. So where normally an
outbound policy would look like ...
Match mpls exp 5
You also need to match your ip equivalent e.g. match ip dscp ef
Common mistake when it comes to multicast in MVPN. Just remember that you
can tear down an mpls neighbour which you know multicast traffic runs across
and it still works, whereas all ip non multicast traffic is blackholed.
Watchout on the GSR's and on some linecards as multicast is only ever put
into the default queue.
HTH
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Harindha Fernando
> Sent: 06 August 2008 14:14
> To: comserv@groupstudy.com; ccielab@groupstudy.com
> Subject: QoS for mVPN
>
> Hi,
>
> I have been trying to set QoS for mVPN in MPLS QoS but I am
> still unable to achieve it. below is the scenario...
>
> Reciever1 -->PE1-->P1-->P2-->PE2--->Source
> |
> |
> P3--->PE3--->Receiver2
>
> Core - PIM SSM
> Customer mVPN - PIM-SSM with static SSM mapping
>
> mVPN is working fine, but I need to offer some QoS in the core.
>
> at PE2 customer interface I have a input policy-map setting
> all muliticast traffic on that interface, set to DSCP AF41.
> the MPLS interface towards core I have an output policy
> allocating BW based on dscp or exp marking and also I do set
> exp values. DSCP AF41 = Exp 4
>
> when I put a output policy in the PE1 and PE3 customer
> interfaces to match DSCP AF41 I do not see any matching packets.
>
> since mVPN traffic is going through GRE tunnels I don't see
> any possibility of setting the DSCP values in the GRE header
> as this Tunnel interfaces are not configurable.
>
> can any body tell how can we achieve the QoS for mVPN ?
>
> I am using 7600s with RSP720 and 12.2(33)SRC1.
>
>
> Rgds,
> Harin
>
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