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Hierarchy Level

Release Information

Statement introduced before Junos OS Release 7.4.


For ATM1 interfaces, configure the maximum number of virtual circuits (VCs) allowed on a virtual path (VP). When configuring ATM1 interfaces on the router, you must include this statement.

For a configured virtual path identifier (VPI), valid virtual channel identifier (VCI) numbers are from 0 through (maximum-vcs value – 1). VCI numbers 0 through 31 are reserved by the ATM Forum. It is recommended that you use a VCI number higher than 31 when connecting to an ATM switch.


maximum-vcs—Maximum number of VCs on the VP.

Range: 1 through 4090

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.