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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) found
    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

    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 1 lists the show atm vc command output fields.

    Table 1: 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

     

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    Published: 2014-08-18