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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 36 Configuring Inverse Muliplexing over ATM
Configuring ATM IMA over MPLS
5. encapsulation encapsulation-type
6. xconnect ip-address port-number encapsulation mpls one-to-one
DETAILED STEPS
Configuring an N-to-1 vPC Cell Mode
An N-to-1 virtual port channel (vPC) pseudowire allows you to map one or more vPCs to a single
pseudowire. You must use ATM Adaptation Layer (AAL) encapsulation for this transport type. To
configure, complete the following steps:
SUMMARY STEPS
1. enable
2. configure terminal
3. interface ATMslot/IMAgroup-number
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters the global configuration mode.
Step 3
interface ATM
slot
/IMA
group-number
Example:
Router(config)# interface ATM0/IMA0
Specifies the slot location and port of IMA interface group and
configures the ATM interface.
• slot—Specifies the slot location of the ATM IMA port adapter.
• group-number—Specifies the group number of the IMA group.
Step 4
pvc
VPI/VCI
l2transport
Example:
Router(config-if)# 100/12 l2transport
Specifies the Virtual Path Identifier (VPI) and Virtual Channel
Identifier (VCI) of the Permanent Virtual Circuit (PVC) and
configures them in layer 2 transport mode.
Step 5
encapsulation
encapsulation-type
Example:
Router(config-if-atm-l2trans-)#
encapsulation aal0
Sets the encapsulation type to AAL0
Step 6
xconnect
ip-address port-number
encapsulation mpls one-to-one
Example:
Router(config-if-atm-l2trans-)#
xconnect 25.25.25.25 125 encapsulation
mpls
Binds an attachment circuit to the ATM IMA interface to create a
pseudowire.