[j-nsp] Setting CoS bits on ingress frames

Mark Tinka mark.tinka at seacom.mu
Wed Jun 17 03:01:47 EDT 2015

On 17/Jun/15 08:41, Victor Sudakov wrote:
> Oh, but I was talking about 802.1p CoS, not about IP and dscp. And
> the interfaces I need to classify incoming frames on are configured as
> "family ethernet-switching port-mode access", not as "family inet".
> The good thing is that when an EX4200 receives a frame with a
> non-default CoS via a trunk port, it does not stip or alter it, but
> just passes it on via the egress trunk port. Now I need to classify
> frames coming via access ports.

Policy Map also supports 802.1p, but on the MX.

Ingress marking on any other Juniper platform is not supported. You can
only mark/re-mark on egress, which is why we pushed Cisco to develop
Policy Map, given how limiting egress marking is.


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