H3C Technologies H3C S12500-X Series Switches - Manual (Page 297)

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Before you perform this task, configure an LSR ID for the PE with the mpls lsr-id command, and enable
MPLS with the mpls enable command on the backbone interface of the PE. For more information about
these commands, see MPLS Command Reference.
To enable L2VPN:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enable L2VPN. l2vpn enable By default, L2VPN is disabled.
Configuring an AC
An AC is a service instance on a Layer 2 Ethernet interface. The AC forwards packets that are received
on the Layer 2 Ethernet interface and meet the match criteria of the service instance to the bound VSI.
The PE connects to a CE through a Layer 2 Ethernet interface. Configure a service instance on the Layer
2 Ethernet interface to match specific packets from the AC.
To configure a service instance:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter Layer 2 Ethernet
interface view.
interface interface-type
interface-number
N/A
3. Create a service instance
and enter service instance
view.
service-instance instance-id
By default, no service instance is
created.
4. Configure match criteria for
the service instance.
• Match all incoming packets:
encapsulation default
• Match incoming packets with
any VLAN ID or no VLAN ID:
encapsulation { tagged |
untagged }
• Match incoming packets with a
specific VLAN ID:
encapsulation s-vid vlan-id
[ only-tagged ]
Use one of the commands.
By default, no match criteria are
configured for the service instance.
Configuring a VSI
Step Command Remarks
1. Enter system view. system-view N/A
2. Create a VSI and enter VSI
view.
vsi vsi-name By default, no VSI is created.
3. (Optional.) Configure a
description for the VSI.
description text
By default, no description is
configured for a VSI.