Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - LINK LAYER CONFIGURATION GUIDE 2010-10-13 Configuration Manual page 117

Copyright © 2010, Juniper Networks, Inc.
NOTE: You can use the atm slot/port/vpi/vci format as an alternative to
the atm slot/port.subinterface format with the specific show interface and
show subinterface commands to monitor all ATM 1483 subinterfaces
(except NBMA interfaces) as well as the upper-layer interfaces configured
over an ATM 1483 subinterface. You cannot, however, use the atm
slot/port/vpi/vci format to create or modify an ATM 1483 subinterface.
These guidelines also apply to E120 and E320 routers when you use the
atm slot/adapter/port/vpi/vci format as an alternative to the
atm slot/adapter/port.subinterface format.
For more information, see "Creating a Basic Configuration" on page 21.
Field descriptions
Interface—Interface identifier
ATM-Prot—One of the following ATM protocol types:
RFC-1483—Multiprotocol encapsulation over AAL5
NBMA—Nonbroadcast multiaccess interface
ATM/MPLS—Local ATM passthrough interface
VCD—Virtual circuit descriptor
VPI—Virtual path identifier
VCI—Virtual circuit (or channel) identifier
Circuit Type—Type of circuit: PVC
Encap—Administered encapsulation method based on what was configured with
the atm pvc command
MTU—Maximum transmission unit size for the interface
Status—One of the following ATM 1483 subinterface states:
absent—Represents the notPresent state and indicates that, although the SRP
detects the ATM 1483 subinterface, the module on which the subinterface resides
has not completed booting up, has failed, or is disabled.
dormant—Indicates that the ATM 1483 subinterface is performing autodetection
of one or more upper-layer encapsulation types and is waiting to receive a packet
of that type on a lower-layer interface. An ATM 1483 subinterface transitions from
the dormant state to the up state when the router receives a valid packet of the
specified encapsulation type on the interface.
dormantLockout—Indicates that a dormant ATM 1483 subinterface has one or
more upper-layer encapsulation types currently undergoing encapsulation type
lockout. An ATM 1483 subinterface transitions from the dormantLockout state to
Chapter 1: Configuring ATM
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