Cisco 10000-2P2-2DC Software Guide - Page 419
Configuring Ethernet over MPLS in Port Mode, Step 1
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Chapter 20 Configuring L2 Virtual Private Networks Configuration Tasks for L2VPN To configure Ethernet over MPLS in VLAN mode, enter the following commands beginning in global configuration mode: Step 1 Command Router(config)# interface gigabitethernet slot/interface.subinterface Step 2 Router(config-subif)# encapsulation dot1q vlan-id Step 3 Router(config-subif)# xconnect peer-router-id vcid encapsulation mpls Purpose Specifies the Gigabit Ethernet subinterface and enters subinterface configuration mode. Make sure the subinterface on the adjoining CE router is on the same VLAN as this PE router. Enables the subinterface to accept 802.1Q VLAN packets. The subinterfaces between the CE and PE routers that are running Ethernet over MPLS must be in the same subnet. All other subinterfaces and backbone routers do not need to be on the same subnet. Binds the attachment circuit to a pseudowire VC. The syntax for this command is the same as for all other Layer 2 transports. Configuring Ethernet over MPLS in Port Mode Port mode allows a frame coming into an interface to be packed into an MPLS packet and transported over the MPLS backbone to an egress interface. The entire Ethernet frame without the preamble or FCS is transported as one packet. To configure port mode, use the xconnect command in main interface mode and specify the destination address and the VC ID. The syntax and semantics of the xconnect command are the same as for all other transport types. Each interface is associated with one unique pseudowire VC label. When configuring Ethernet over MPLS in port mode, use the following guidelines: • The pseudowire VC type is set to Ethernet. • Port mode and Ethernet VLAN mode are mutually exclusive. If you enable a main interface for port-to-port transport, you cannot also enter commands on a subinterface. To configure Ethernet over MPLS in port mode, enter the following commands beginning in global configuration mode: Step 1 Command Router(config)# interface gigabitethernet slot/interface Step 2 Router(config-if)# xconnect peer-router-id vcid encapsulation mpls Purpose Specifies the Gigabit Ethernet interface and enters interface configuration mode. Make sure the interface on the adjoining CE router is on the same VLAN as this PE router. Binds the attachment circuit to a pseudowire VC. The syntax for this command is the same as for all other Layer 2 transports. OL-2226-23 Cisco 10000 Series Router Software Configuration Guide 20-21
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