[j-nsp] Move traffic to strict-priority-queue on MX

[Per Granath]

With this you are setting the forwarding-class, which is internal to the MX.

If you also want to rewrite the DHCP bits in the packet headers, then you also need to configure 'rewrite' for these forwarding classes, on the egress interfaces (core facing in this case).

I can't remember what the default rewrite rules are, but I believe they do not do what you want.

-----Original Message-----
From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Robert Hass
Sent: Sunday, November 30, 2014 3:53 PM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] Move traffic to strict-priority-queue on MX

Hi
I have deployment based on MX routers where I have to put traffic coming from one interface (it's video traffic - multicast) to strict-priority-queue on egress interface - core facing interface.

Topology is simple:

Ingress interfaces:
- ge-1/0/1.0 - interface with video #1
- irb.100 - interface with video #2 (there is IRB mapped for ge-1/0/2)
- ge-1/0/3.0 - interface where IP customers are connected (best-effor
traffic)

Egress interfaces:
- ge-1/0/5 - core-facing interface #1
- ge-1/0/6 - core-facing interface #2

My goal are:
- clear DSCP bits for traffic coming from ge-1/0/3.0, put this traffic on best-effort queue
- set EF DSCP bit for traffic coming from video interfaces (ge-1/0/1.0 and
irb.100)

Finally what I configured:
# Clear DSCP + BestEffort queue
set firewall filter BestEff term 1 then forwarding-class best-effort set firewall filter BestEff term 1 then dscp cs0 set interfaces ge-1/0/3 unit 0 family inet filter input BestEff

# Set EF DSCP + ExpeditiedForwarding queue set firewall filter Set_EF term 1 then forwarding-class expedited-forwarding set firewall filter Set_EF term 1 then dscp ef set interfaces ge-1/0/1 unit 0 family inet filter input Set_EF set interfaces irb unit 100 family inet filter input Set_EF

But It looks that it's not working. What I missing ?

Rob
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