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Monitoring ATM VCs and VPI/VCI Ranges Used for MPLS
Purpose
Display information about ATM VCs used as MPLS LSPs and VPI-VCI ranges reserved for MPLS when you use the interface label space for MPLS labels.
Action
To display all VCs and reserved VC ranges on the router:
host1#show atm vc
Cate Rx/Tx Rx/Tx Rx/Tx Sta
Interface VPI VCI VCD Type Encap gory Peak Avg Burst tus
------------ --- ---- ---- ---- ----- ---- ----- ----- ----- ---
ATM 3/0.2 0 101 4375 PVC AUTO CBR 1000 0 0 UP
ATM 3/0.3 0 102 4376 PVC AUTO CBR 1000 0 0 DOWN
...
ATM 3/0.8099 1 8099 8099 PVC SNAP UBR 0 0 0 UP
ATM 3/0.8100 1 8100 8100 PVC SNAP UBR 0 0 0 DOWN
8000 circuit(s) foundReserved VCC ranges:
Start Start End End Interface VPI VCI VPI VCI --------- ----- ----- --- --- ATM 2/0 2 100 2 102 ATM 2/0 3 300 3 303 2 reservation(s) found
To display a summary of all reserved VC ranges on the router, including those reserved for MPLS use:
host1#show atm vc reserved Reserved VCC ranges:
Start Start End End Interface VPI VCI VPI VCI --------- ----- ----- --- --- ATM 2/0 2 100 2 102 ATM 2/0 3 300 3 303 2 reservation(s) found
Meaning
Table 60 lists the show atm vc command output fields.
Table 60: show atm vc Output Fields
Field Name | Field Description |
|---|---|
Interface | Interface type and number |
VPI | Virtual path identifier |
VCI | Virtual channel identifier |
VCD | Virtual circuit descriptor |
Type | Type of circuit: PVC |
Encap | Encapsulation method: AUTO, AAL5, MUX, SNAP, ILMI, F4-OAM |
Category | Service type configured on the VC: UBR, UBR-PCR, NRT-VBR, RT-VBR, CBR |
Rx/Tx Peak | Peak rate in Kbps |
Rx/Tx Avg | Average rate in Kbps |
Rx/Tx Burst | Maximum number of cells that can be burst at the peak cell rate |
Status | State of the virtual circuit: Up, Down |
Start VPI | Starting virtual path identifier (inclusive) of the reserved VC range |
Start VCI | Starting virtual circuit identifier (inclusive) of the reserved VC range |
End VPI | Ending virtual path identifier (inclusive) of the reserved VC range |
End VCI | Ending virtual circuit identifier (inclusive) of the reserved VC range |
