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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 35 Layer 2 Control Protocol Peering, Forwarding, and Tunneling
How to Configure Layer 2 Control Protocol Peering, Forwarding, and Tunneling
Verifying Layer 2 Peering
To verify the layer 2 protocol peering functionality, use the show ethernet service instance command
as shown below.
Router# show ethernet service instance id 99 interface gigabitEthernet0/4 detail
Service Instance ID: 99
Service Instance Type: static
Associated Interface: GigabitEthernet0/4
Associated EVC:
L2protocol peer cdp
CE-Vlans:
Encapsulation: untagged
Interface Dot1q Tunnel Ethertype: 0x8100
State: Up
EFP Statistics:
Pkts In Bytes In Pkts Out Bytes Out
0 0 0 0
EFP Microblocks:
****************
Microblock type: Bridge-domain
Bridge-domain: 99
Verifying Layer 2 Forwarding
To verify the layer 2 protocol forwarding functionality, use the show ethernet service instance
command as shown below.
Router# show ethernet service instance id 99 interface gigabitEthernet 0/0 detail
Service Instance ID: 99
Service Instance Type: static
Associated Interface: GigabitEthernet0/0
Associated EVC:
L2protocol forward cdp lldp
CE-Vlans:
Encapsulation: untagged
Interface Dot1q Tunnel Ethertype: 0x8100
State: Up
EFP Statistics:
Pkts In Bytes In Pkts Out Bytes Out
0 0 0 0
EFP Microblocks:
****************
Microblock type: Bridge-domain
Bridge-domain: 99
Verifying Layer 2 Tunneling
To verify the layer 2 control protocol tunneling functionality, use the show ethernet service instance
command as shown below.
Router# show ethernet service instance id 9 interface GigabitEthernet 0/4 detail
Service Instance ID: 9
Service Instance Type: static