[c-nsp] QoS VLAN Marking is not working 7600

[Phil Mayers]

On 25/08/11 12:55, Arie Vayner (avayner) wrote:
> Omar,
>
> What traffic do you expect to be marked with EXP 6?
>
> Do you have any transit traffic (i.e. traffic not originated by the
> 7600, but sent from a remote client), which is marked with some other
> (non EXP=6,0) value?
>
> Usually Prec 6 would be used for control traffic (routing protocols
> etc), and this traffic is usually one hop only, and would not be
> encapsulated with MPLS, so no EXP bits...
> The only exceptions I can think of would be transit BGP or directed LDP
> sessions terminated on a remote router (not the adjacent CRS)

Surely it's arbitrary though? EXP/CoS==6 maps to DSCP 48 which is 
internetwork-control in ToS terms, but if you wanted, it could mean 
"customer 4"