[j-nsp] WAN input prioritization on MX

[Krasimir Avramski]

On Mon, Oct 15, 2012 at 4:40 PM, Gustavo Santos <gustkiller at gmail.com>wrote:

>
> For instance: If the current wan ingress traffic total is 450mbits and high
> priority traffic is 100mbits, and low priority is 350mbits = no packet
> discard, but if traffic towards high priority subnet is 300mbits and low
> priority is 300mbits, then the queuing / scheduler will drop the low
> priority traffic until the sources traffic gets shaped to 200mbits for the
> low priority and the high priority gets 300mbits.
>
> On Linux it's quite simple to achieve.
>
>
AFAIK this is only possible with ingress queuing (EQ2, DPC-EQ hardware,
ingress CoS not enabled by default)  and simple filters:
http://www.juniper.net/techpubs/en_US/junos10.4/topics/usage-guidelines/cos-configuring-ingress-hierarchical-cos-on-enhanced-queuing-dpcs.html
http://www.juniper.net/techpubs/en_US/junos10.4/topics/concept/mf-classifiers-simple-filters-overview-cos-config-guide.html
http://www.juniper.net/techpubs/en_US/junos10.4/topics/example/mf-classifiers-example-simple-filters-cos-config-guide.html

Unfortunately MPCs are still not supported....

Best Regards,
Krasi