January 2001
Intermediate to advanced
368 pages
11h 35m
English
Content preview from IP Quality of Service
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MPLS VPN 227
LER
IP traffic from the Seattle site going to the Atlanta site enters the MPLS network on the LER
router.
On the LER router interface that connects to the Seattle site, enable CAR to police
incoming traffic according to the service contract. In Listing 9-13, the incoming traffic on
the interface is contracted at standard CoS, with traffic of 20 Mbps getting an IP precedence
of 5 and any exceeding traffic getting an IP precedence of 1.
As part of IP/MPLS QoS Interworking, IP precedence is copied into the MPLS CoS field.
From the LER, the Atlanta-bound traffic goes via the LSR. On the LER POS3/0/0 interface
connecting to the LSR, WRED and WFQ ...
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