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"
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