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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 8 Configuring Ethernet Virtual Connections
Configuration Examples of Supported Features
Configuration Examples of Supported Features
• Example: Configuring a Service Instance
• Example: Encapsulation Using a VLAN Range
• Example: Two Service Instances Joining the Same Bridge Domain
• Example: Bridge Domains and VLAN Encapsulation
• Example: Rewrite
• Example: Split Horizon
Example: Configuring a Service Instance
Router (config)# interface gigabitethernet0/1
Router (config-if)# service instance 22 Ethernet [
name
]
Router (config-if-srv)# encapsulation dot1q 10
Router (config-if-srv)# bridge-domain 10
Example: Encapsulation Using a VLAN Range
Router (config)# interface gigabitethernet0/1
Router (config-if)# service instance 22 Ethernet
Router (config-if-srv)# encapsulation dot1q 22-44
Router (config-if-srv)# bridge-domain 10
Example: Two Service Instances Joining the Same Bridge Domain
In this example, service instance 1 on interfaces Gigabit Ethernet 0/1 and 0/2 can bridge between each
other.
Router (config)# interface gigabitethernet0/1
Router (config-if)# service instance 1 Ethernet
Router (config-if-srv)# encapsulation dot1q 10
Router (config-if-srv)# bridge-domain 10
Router (config)# interface gigabitethernet0/2
Router (config-if)# service instance 1 Ethernet
Router (config-if-srv)# encapsulation dot1q 10
Router (config-if-srv)# bridge-domain 10
Example: Bridge Domains and VLAN Encapsulation
Unlike VLANs, the bridge-domain number does not need to match the VLAN encapsulation number.
Router (config)# interface gigabitethernet0/1
Router (config-if)# service instance 1 Ethernet
Router (config-if-srv)# encapsulation dot1q 10
Router (config-if-srv)# bridge-domain 4000
Router (config)# interface gigabitethernet0/2
Router (config-if)# service instance 1 Ethernet
Router (config-if-srv)# encapsulation dot1q 10
Router (config-if-srv)# bridge-domain 4000