The MPLS WG Archive

["Thomas D. Nadeau" <tnadeau@cisco.com>]

>When reading the <draft-ietf-mpls-lsr-mib-08>, I wonder about the 
>interaction of PHP with the counters in the ifTable/ifXTable.
>
>Should the counters for the outgoing direction (ifOutOctets, ifOutPackets 
>etc.) also include
>* the mpls bytes/packets for out segments using PHP and for which there is 
>**no** other mpls label beneath?
>* the mpls bytes/packets for out segments using PHP and for which there 
>**is** another mpls label beneath?

         The outgoing counters should only include bytes/packets transmitted
with an MPLS shim header.  If you are doing PHP, you have stripped
the header at that hop and are sending the packet along as IP out that
interface (or whatever is underneath the shim header).

         --Tom




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