MPLS Layer 2 VPNs Configuration Guide, Cisco IOS XE Release 3S
First Published: November 08, 2011
Last Modified: July 30, 2013
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C O N T E N T S
C H A P T E R 1 L2VPN Protocol-Based CLIs 1
Finding Feature Information 1
Information About L2VPN Protocol-Based CLIs 1
Overview of L2VPN Protocol-Based CLIs 1
Benefits of L2VPN Protocol-Based CLIs 2
L2VPN Protocol-Based CLI Changes 3
MPLS L2VPN Protocol-Based CLI: Examples 7
Additional References 10
Feature Information for L2VPN Protocol-Based CLIs 10
C H A P T E R 2 Any Transport over MPLS 13
Finding Feature Information 13
Prerequisites for Any Transport over MPLS 14
Restrictions for Any Transport over MPLS 14
General Restrictions 14
ATM AAL5 over MPLS Restrictions 14
ATM Cell Relay over MPLS Restrictions 15
Ethernet over MPLS (EoMPLS) Restrictions 15
Per-Subinterface MTU for Ethernet over MPLS Restrictions 15
Frame Relay over MPLS Restrictions 16
HDLC over MPLS Restrictions 16
PPP over MPLS Restrictions 16
Tunnel Selection Restrictions 16
Experimental Bits with AToM Restrictions 17
Remote Ethernet Port Shutdown Restrictions 17
Information About Any Transport over MPLS 17
How AToM Transports Layer 2 Packets 17
MPLS Layer 2 VPNs Configuration Guide, Cisco IOS XE Release 3S
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How AToM Transports Layer 2 Packets using the commands associated with the L2VPN
Protocol-Based CLIs feature 18
Benefits of AToM 19
MPLS Traffic Engineering Fast Reroute 19
Maximum Transmission Unit Guidelines for Estimating Packet Size 20
Estimating Packet Size Example 21
Per-Subinterface MTU for Ethernet over MPLS 22
Per-Subinterface MTU for Ethernet over MPLS using the commands associated with the
L2VPN Protocol-Based CLIs feature 22
Frame Relay over MPLS and DTE DCE and NNI Connections 23
Local Management Interface and Frame Relay over MPLS 23
How LMI Works 23
QoS Features Supported with AToM 24
OAM Cell Emulation for ATM AAL5 over MPLS 28
OAM Cell Emulation for ATM AAL5 over MPLS in VC Class Configuration
Mode 28
Any Transport over MPLS (AToM) Remote Ethernet Port Shutdown 28
Any Transport over MPLS (AToM) Remote Ethernet Port Shutdown using the commands
associated with the L2VPN Protocol-Based CLIs feature 30
AToM Load Balancing with Single PW 31
Flow-Aware Transport (FAT) Load Balancing 31
How to Configure Any Transport over MPLS 31
Configuring the Pseudowire Class 32
Configuring the Pseudowire Class using the commands associated with the L2VPN
Protocol-Based CLIs feature 33
Changing the Encapsulation Type and Removing a Pseudowire 34
Changing the Encapsulation Type and Removing a Pseudowire using the commands
associated with the L2VPN Protocol-Based CLIs feature 34
Configuring ATM AAL5 over MPLS 35
Configuring ATM AAL5 over MPLS on PVCs 35
Configuring ATM AAL5 over MPLS on PVCs using the commands associated with
the L2VPN Protocol-Based CLIs feature 37
Configuring ATM AAL5 over MPLS in VC Class Configuration Mode 40
Configuring ATM AAL5 over MPLS in VC Class Configuration Mode using the
commands associated with the L2VPN Protocol-Based CLIs feature 42
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Contents
Configuring OAM Cell Emulation for ATM AAL5 over MPLS 45
Configuring OAM Cell Emulation for ATM AAL5 over MPLS on PVCs 45
ConfiguringOAMCell Emulation forATMAAL5overMPLSonPVCs using the commands
associated with the L2VPN Protocol-Based CLIs feature 47
Configuring OAMCell Emulation for ATMAAL5 over MPLS in VC Class Configuration
Mode 51
Configuring OAMCell Emulation for ATMAAL5 over MPLS in VC Class Configuration
Mode using the commands associated with the L2VPN Protocol-Based CLIs feature
53
Configuring ATM Cell Relay over MPLS 56
Configuring ATM Cell Relay over MPLS in VC Mode 56
Configuring ATM Cell Relay over MPLS in VC Mode using the commands associated
with the L2VPN Protocol-Based CLIs feature 58
Configuring ATM Cell Relay over MPLS in VC Mode Using VC Class Configuration
Mode 61
Configuring ATM Cell Relay over MPLS in VC Mode Using VC Class Configuration
Mode using the commands associated with the L2VPN Protocol-Based CLIs
feature 63
Configuring ATM Cell Relay over MPLS in PVP Mode 66
Configuring ATM Cell Relay over MPLS in PVP Mode using the commands associated
with the L2VPN Protocol-Based CLIs feature 68
Configuring Ethernet over MPLS 70
Configuring Ethernet over MPLS in VLANMode to Connect Two VLAN Networks That
Are in Different Locations. 70
Configuring Ethernet over MPLS in VLANMode to Connect Two VLAN Networks That
Are in Different Locations using the commands associated with the L2VPN
Protocol-Based CLIs feature 72
Configuring Ethernet over MPLS in Port Mode 74
Configuring Ethernet over MPLS in Port Mode using the commands associated with the
L2VPN Protocol-Based CLIs feature 76
Configuring Ethernet over MPLS with VLAN ID Rewrite 78
Configuring Ethernet over MPLS with VLAN ID Rewrite using the commands associated
with the L2VPN Protocol-Based CLIs feature 81
Configuring per-Subinterface MTU for Ethernet over MPLS 84
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Configuring per-Subinterface MTU for Ethernet over MPLS using the commands
associated with the L2VPN Protocol-Based CLIs feature 86
Configuring Frame Relay over MPLS 89
Configuring Frame Relay over MPLS with DLCI-to-DLCI Connections 89
Configuring Frame Relay over MPLS with DLCI-to-DLCI Connections using the
commands associated with the L2VPN Protocol-Based CLIs feature 91
Configuring Frame Relay over MPLS with Port-to-Port Connections 94
Configuring FrameRelay overMPLSwith Port-to-Port Connections using the commands
associated with the L2VPN Protocol-Based CLIs feature 95
Configuring HDLC or PPP over MPLS 97
Configuring HDLC or PPP over MPLS using the commands associated with the L2VPN
Protocol-Based CLIs feature 99
Configuring Tunnel Selection 101
Troubleshooting Tips 103
Configuring Tunnel Selection using the commands associated with the L2VPN
Protocol-Based CLIs feature 104
Troubleshooting Tips using the commands associated with the L2VPN Protocol-Based
CLIs feature 106
Setting Experimental Bits with AToM 107
Enabling the C
