Aug 26, 2008

Implementing the DiffServ Tunneling Models in Cisco IOS - Pipe Model

MPLS DiffServ Pipe Model

For the Pipe and Short Pipe DiffServ Model, however, the ingress PE can change the EXP bits according to the policy of the service provider.

  • Egress PE

!!! Ingress interface:
!
class-map MPLS_EXP
match mpls experimental topmost 2 4
!
policy-map EXP_IN_QOS_GROUP
class MPLS_EXP
set qos-group mpls experimental topmost
!
interface ethernet 0/0
service-policy input EXP_IN_QOS_GROUP
!
!
!
!!! Egress interface:
!
class-map QOS_GROUP
match qos-group 2
match qos-group 4
!
policy-map QOS_GROUP_OUT_QOS
class QOS_GROUP
bandwidth percent 40
random-detect
!
interface ethernet 1/0
service-policy output QOS_GROUP_OUT_QOS
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