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Which PVC configuration style is recommended for Cisco routers?

April 26, 2017Cisco configuration PVC recommended routers style

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Which PVC configuration style is recommended for Cisco routers?

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A. Cisco introduced the ATM PVC configuration in Cisco IOS® Software Release 10.0 that uses the atm pvc vcd vpi vci aal-encap interface command. This is now known as old-style PVC configuration. In Cisco IOS Software Release 11.3 T, Cisco introduced a new way to configure ATM PVCs that uses the new pvc [name] vpi/vci [ilmi | qsaal |smds] command. Refer to New VC Configuration for more information. This new way that configures ATM PVCs allows for more flexibility and greater capability. Some of the limitations of the old-style are the lack of support for both Operation And Management (OAM) and Low Latency Queueing (LLQ).