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MPLS Layer 2 VPNs Configuration Guide, Cisco IOS MPLS Layer 2 VPNs Configuration Guide, Cisco IOS XE Release 3S First Published: November08,2011Last Modified: July30,2013Americas Headquarters

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  • 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 iii

  • 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

    MPLS Layer 2 VPNs Configuration Guide, Cisco IOS XE Release 3S iv

    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

    MPLS Layer 2 VPNs Configuration Guide, Cisco IOS XE Release 3S v

    Contents

  • 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

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