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Chapter 20
Configuring L2 Virtual Private Networks
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Feature History for L2VPN
Cisco IOS Release
12.2(28)SB
12.2(31)SB2
12.2(31)SB2
12.2(33)SB
Supported L2VPN Transport Types
In Cisco IOS Release 12.2(28)SB, the Cisco 10000 series router supports the following AToM transport
types:
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Note
OL-2226-23
Any Transport over MPLS—Tunnel Selection, page 20-47
Description
This feature was introduced on the Cisco 10000 series
router.
Support was added for the PRE3.
Ethernet to VLAN over AToM (Bridged) functionality was
added.
The following L2VPN features were added on the
Cisco 10000 series router:
IEEE 802.1Q Tunneling (QinQ) for AToM
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NSF/SSO - Any Transport over MPLS (AToM)
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Any Transport over MPLS (AToM): Remote Ethernet
Port Shutdown
Any Transport over MPLS: Tunnel Selection
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L2VPN Local Switching - HDLC/PPP
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Ethernet/VLAN to ATM AAL5 Interworking
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Ethernet VLAN to Frame Relay Interworking
ATM AAL5 SDU support over MPLS
Ethernet over MPLS
VLAN mode
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Port mode
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Frame Relay over MPLS
DLCI-to-DLCI connections
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Port-to-port connections
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HDLC over MPLS
PPP over MPLS
Functionally, both HDLC over MPLS and Frame Relay port-to-port connections are the same.
Cisco 10000 Series Router Software Configuration Guide
Feature History for L2VPN
Required PRE
PRE2
PRE3
PRE2/PRE3
PRE2/PRE3/PRE
4
20-3
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Troubleshooting
