Configuring srTCM Color Aware Mode
  • 10 Jul 2024
  • 1 Minute to read
  • Contributors
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Configuring srTCM Color Aware Mode

  • PDF

Article summary

To configure srTCM color aware mode

  1. Bring up the physical interface.
configure terminal
interface ra xl 0/1-4
shutdown
end
configure terminal
interface xl 0/2
no shutdown
end
configure terminal
interface xl 0/4
no shutdown
end
  1. Configure CustomerEdgePort and ProviderEdgePort.
configure terminal
bridge-mode provider-edge
interface xl 0/4
bridge port-type customerEdgePort
switchport ingress ether-type 0x8100
end
configure terminal
interface xl 0/2
bridge port-type providerNetworkPort
switchport egress ether-type 0x8100
switchport egress inner-ether-type 0x8100
switchport ingress ether-type 0x8100
switchport ingress inner-ether-type 0x8100
end
  1. Configure S-VLAN and assign member ports.
configure terminal
vlan 2000
ports xl 0/4,0/2 untagged xl 0/4
end
  1. Configure Ethernet service mapping between C-VLAN and S-VLAN.
configure terminal
interface xl 0/4
switchport customer-vlan 1000 service-vlan 2000
end
  1. Configure the Access list for traffic classification.
configure terminal
mac access-list extended 1
permit any any priority 50 double-tag
end
  1. Apply the Access list to the physical interface.
configure terminal
interface xl 0/4
mac access-group 1 in
end
  1. Configure the class-map and map access list.
configure terminal
class-map 10
match access-group mac-access-list 1
set class 10
end
  1. Assign the QOS CLASS to the virtual Queue.
configure terminal
queue-map CLASS 10 queue-id 3
end
  1. Configure srTCM metering with color aware mode.
configure terminal
meter 1
meter-type srTCM color-mode aware cir 10000000 cbs 187500000 ebs 250000000
end
  1. Configure srTCM QOS metering actions.
configure terminal
policy-map 10
set meter 1 exceed-action cos-transmit-set 5 violate-action cos-transmit-set 5
set policy class 10 default-priority-type none
end
configure terminal
set meter-st enable meter-id 1
end


Notes:

In srTCM color blind mode, Green packet, Yellow packet, and Red packet remarking are supported.

In srTCM color aware mode, Green packet remarking is not supported (the configuration of green remarking priority values is not applicable, when metering entry is color aware) and only yellow, red packets remarking are supported.

Red packet remarking should be configured the same as yellow or drop.


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