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Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 8 Configuring ATM Permanent Virtual Circuit Autoprovisioning
ATM PVC Autoprovisioning
Note Note: The limit of 510 usable SAR pages in Cisco IOS Release 12.3(7)XI2 represents a
reduction from the limit of 512 usable SAR pages in earlier releases.
• The Local Template-Based ATM PVC Provisioning feature (infinite range) can be configured only
on a main ATM interface; that is, it cannot be configured on a subinterface. When you use the
class-int command to attach an ATM VC class to a subinterface, the create on-demand command
is ignored.
• PVCs or PVCs within a range specified as create on demand PVCs, count against the interface limit
for configured PVCs, regardless of whether the PVCs become active. These PVCs count against the
maximum number of VCs allowed per interface port.
Configuration Tasks for ATM PVC Autoprovisioning
To configure the ATM PVC autoprovisioning feature, perform one of the following tasks:
• Creating an On-Demand PVC Using a VC Class, page 8-6
• Creating an On-Demand PVC Directly, page 8-8
• Creating an On-Demand PVC With Infinite Range, page 8-11
Creating an On-Demand PVC Using a VC Class
To create an on-demand PVC using a VC class, perform the following tasks:
• Creating a VC Class with PVC Autoprovisioning Enabled, page 8-6
• Applying the VC Class, page 8-7
Creating a VC Class with PVC Autoprovisioning Enabled
To create a VC class with the ATM PVC autoprovisioning feature enabled, enter the following
commands beginning in global configuration mode:
Command Purpose
Step 1
Router(config)# vc-class atm name
Creates a VC class and enters vc-class configuration mode.
Step 2
Router(config-vc-class)# create on-demand
Enables PVC autoprovisioning.
Note Configure additional VC parameters as appropriate. For
more information, see the
“VC Class” section on page 8-3
or the “Creating a VC Class Examples” section in the
Cisco IOS Wide-Area Networking Configuration Guide.
Step 3
Router(config-vc-class)# idle-timeout
[time-out-in-seconds]
[minimum-traffic-in-kbps]
(Optional) Enables the idle-timeout timer on the on-demand PVC.
The default time-out-in-seconds is 0 (no idle-timeout).
The Cisco 10000 series router waits until the traffic on a
particular VC is processed before tearing down the VC, even if
you specify the minimum-traffic-in-kbps option or if the VC is
idle during the idle-timeout period.