[j-nsp] Reset DSCP on ingress (again)

[Victor Sudakov]

Dale Shaw wrote:
> >
> > What is the easiest method of resetting the dscp value in incoming
> > packets when the incoming port is configured for "family
> > ethernet-switching"?
> >
> > If the port were in "family inet", I would use the firewall, but the
> > "family ethernet-switching" firewall does not seem to have a means to
> > set dscp.
> >
> > Thanks a lot in advance.
> >
> > The device is EX4200-24T, 12.3R6.6
> 
> Ingress DSCP marking isn't supported on EX4200.

Thanks for pointing this out.

> 
> You need to classify (into a FC) on ingress, and rewrite on egress. You can
> use a simple fixed classifier on ingress but packet marking/rewrite is only
> performed on egress.
> 
> Example of a fixed classifier:
> 
> # set class-of-service interfaces ge-0/1/0 unit 0 forwarding-class
> best-effort

Is a fixed classifier supported on a vlan interface?

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
AS43859