Action To display the current state of all ATM subinterfaces:
host1#show atm subinterface
Interface ATM-Prot VCD VPI VCI Type Encap MTU Status Address
----------- -------- --- --- --- ---- ----- ---- ------ -------
ATM 2/0.100 ATM/MPLS 100 0 100 PVC AAL0 9180 up --
ATM 2/0.101 ATM/MPLS 101 0 101 PVC AAL5 9180 up --
ATM 2/0.200 RFC-1483 200 0 200 PVC SNAP 9180 up --
ATM 2/0.201 RFC-1483 201 0 201 PVC SNAP 9180 up --
4 interface(s) found
To display the current state of a specific ATM subinterface:
host1#show atm subinterface atm 2/0.100
Circuit Interface
Interface ATM-Prot VCD VPI VCI Type Encap MTU Status Type
--------- -------- --- --- --- ------- ----- ---- -------------- ---------
ATM 2/0.100 ATM/MPLS 100 0 100 PVC AAL0 9180 lowerLayerDown Static
Maximum number of cells per packet: 100
Cell aggregation timeout timer: 2
SNMP trap link-status: disabled
InPackets: 0
InBytes: 0
OutPackets: 0
OutBytes: 0
InErrors: 0
OutErrors: 0
InPacketDiscards: 0
InPacketsUnknownProtocol: 0
OutDiscards: 0
1 interface(s) found
Meaning Table 70 on page 565 lists the show atm subinterface command output fields; for a
description of the other fields in this display, see Monitoring ATM in the JUNOSe Link
Layer Configuration Guide.
Table 70: show atm subinterface Output Fields
Field DescriptionField Name
Encapsulation type:
■ AAL0—VCC cell relay–encapsulated circuits that receive raw
ATM cells
■ AAL5—ATM cross-connect interfaces
Encap
Maximum number of ATM cells that the router can concatenate in
a single packet; if this value is not configured, “ Martini cell
aggregation: disabled” appears instead of this field. Displayed for
an individual ATM over MPLS interface with AAL0 encapsulation
Maximum number of cells
per packet
Identifier (1, 2, or 3) of the ATM Martini cell packing timer that
detects timeout of the cell collection threshold; if this value is not
configured, “ Martini cell aggregation: disabled” appears instead
of this field. Displayed for an individual ATM over MPLS interface
with AAL0 encapsulation
Cell aggregation timeout
timer
Monitoring ATM Subinterfaces for Layer 2 Services over MPLS ■ 565
Chapter 8: Monitoring Layer 2 Services over MPLS
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