Cisco ASR 1000 Configuration Guide

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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
OL-14127-08
Chapter 7 Configuring the ATM SPAs
Configuration Tasks
Creating a Permanent Virtual Circuit
To use a permanent virtual circuit (PVC), configure the PVC in both the router and the ATM switch.
PVCs remain active until the circuit is removed from either configuration. To create a PVC on the ATM
interface and enter interface ATM VC configuration mode, perform the following procedure beginning
in global configuration mode:
Command or Action Purpose
Step 1
Router(config)# interface atm
slot/subslot/port.subinterface
Enters subinterface configuration mode for the specified
port on the ATM SPA, where:
• slot—Specifies the chassis slot number in the Cisco
ASR 1000 Series Router where the SIP is installed.
• subslot—Specifies the secondary slot of the SIP where
the SPA is installed.
• port—Specifies the number of the individual interface
port on a SPA.
• subinterface—Specifies the number of the
subinterface.
Step 2
Router(config-if)# ip address address mask Assigns the specified IP address and subnet mask to the
interface or subinterface.
Step 3
Router(config-if)# atm tx-latency milliseconds (Optional) Configures the default transmit latency for VCs
on this ATM SPA interface. The valid range for
milliseconds is from 1 to 200, with a default of 100
milliseconds.
Step 4
Router(config-if)# pvc [name] vpi/vci Configures a new ATM PVC by assigning its VPI/VCI
numbers and enters ATM VC configuration mode. The
valid values for vpi/vci are:
• name—(Optional) An arbitrary string that identifies
this PVC.
• vpi—Specifies the VPI ID. The valid range is 0 to 255.
• vci—Specifies the VCI ID. The valid range is 32 to
65535. Values 1 to 31 are reserved and should not be
used, except for 5 for the QSAAL PVC and 16 for the
ILMI PVC. ILMI is unsupported on the Cisco ASR
1000 Series Routers.
Note When using the pvc command, remember that the vpi/vci combination forms a unique identifier for the
interface and all of its subinterfaces. If you specify a vpi/vci combination that has been used on another
subinterface, the Cisco
IOS software assumes that you want to modify that PVC’s configuration and
automatically switches to its parent subinterface.

Cisco ASR 1000 Specifications

General

Brand	Cisco
Model	ASR 1000
Category	Network Router
Language	English