Hi Andrew,
Yes you can use WRED on MPLS traffic:
If you set the LSB (3'rd) of the EXP bits to 1 on a preceding router then
the downstream router will set the PLP (packet loss priority) bit for this
packet to 1, when the packet is received on input. (This is the same for IP
packets TOS field LSB)
WRED can then be used as normal.
Details can be found in the configuration manual for interfaces under the
CoS section: Rewrite the IP Precedence Bits (which also covers MPLS).
Gary Tate
>-----Original Message-----
>From: Andrew Smith [mailto:as160@yahoo.com]
>Sent: 18 September 2001 19:18
>To: juniper-nsp@puck.nether.net
>Subject: [j-nsp] Can RED be applied to MPLS traffic?
>
>
>Hi, all
>
>I have a question. For IP traffic, one can set
>different Prec, put into different queues, and use RED
>to manage drops.
>
>What about MPLS traffic, I know EXP->queues mapping
>are hard coded, but is it still possible to use RED to
>manage different queues?
>
>TIA
>---andrew
>
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