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Check Your Work

To verify correct operation of a channelized STM-1 IQ interface, use the following commands:

show interfaces
show interfaces controller
show interfaces interval (for channelized STM-1, E1, and channelized E1 channels)

To view the interface names of the physical channelized STM-1 IQ interface and the channels configured on this interface, use the show interfaces controller command:

user@router> show interfaces controller cstm1-0/0/0

Controller                                                           Admin Link

cstm1-0/0/0                                                          up    up

cau4-0/0/0                                                           up    up

    e1-0/0/0:1                                                       up    up

    e1-0/0/0:2                                                       up    up

    e1-0/0/0:3                                                       up    up

    e1-0/0/0:4                                                       up    up

    e1-0/0/0:5                                                       up    up

    e1-0/0/0:6                                                       up    up

    e1-0/0/0:7                                                       up    up

    e1-0/0/0:8                                                       up    up

    e1-0/0/0:9                                                       up    up

    e1-0/0/0:10                                                      up    up

    ce1-0/0/0:11                                                     up    up

        ds-0/0/0:11:1                                                up    up

        ds-0/0/0:11:2                                                up    up

        ds-0/0/0:11:3                                                up    up

        ds-0/0/0:11:4                                                up    up

To view information about the physical channelized interface, include the cstm1-fpc/pic/port (interface name) option with the show interfaces command:

user@router> show interfaces cstm1-0/0/0

Physical interface: cstm1-0/0/0, Enabled, Physical link is Up

  Interface index: 146, SNMP ifIndex: 35

  Link-level type: Controller, Clocking: Internal, SDH mode, Speed: OC3,

Loopback: None, Parent: None

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : None

  Last flapped   : 2003-02-06 15:01:56 PST (07:15:06 ago)

  SDH   alarms   : None

  SDH   defects  : None

To view information about the channelized AU-4 channel, include the cau4-fpc/pic/port (interface name) option with the show interfaces command:

user@router> show interfaces cau4-0/0/0

Physical interface: cau4-0/0/0, Enabled, Physical link is Up

  Interface index: 147, SNMP ifIndex: 36

  Link-level type: Controller, Clocking: Internal, SDH mode, Speed: OC3,

Loopback: None, Parent: cstm1-0/0/0 Interface index 146

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : None

  Last flapped   : 2003-02-06 19:36:31 PST (02:40:42 ago)

  SDH   alarms   : None

  SDH   defects  : None

To view information about an E1 channel, include the e1-fpc/pic/port:channel (interface name) option with the show interfaces command. In this case, the fractional E1 appears as channel e1-0/0/0:1 and the normal E1 appears as channel e1-0/0/0:2.

user@router> show interfaces e1-0/0/0:1

Physical interface: e1-0/0/0:1, Enabled, Physical link is Up

  Interface index: 148, SNMP ifIndex: 33

  Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: 1280kbps,

# Because the fractional E1 uses 20 timeslots, 20 x 64 Kbps = 1280 Kbps.

Loopback: None, FCS: 16, Framing: G704,

  Parent: cau4-0/0/0 Interface index 147

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : Keepalives

  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3

  Keepalive: Input: 1055 (00:00:03 ago), Output: 1059 (00:00:06 ago)

  LCP state: Opened

  NCP state: inet: Opened, inet6: Not-configured, iso: Not-configured,

mpls: Not-configured

  CHAP state: Not-configured

  Last flapped   : Never

  Input rate     : 16 bps (0 pps)

  Output rate    : 16 bps (0 pps)

  DS1   alarms   : None

  DS1   defects  : None

  SDH   alarms   : None

  SDH   defects  : None

  Logical interface e1-0/0/0:1.0 (Index 67) (SNMP ifIndex 169)

    Flags: Point-To-Point SNMP-Traps Encapsulation: PPP

    Bandwidth: 0

    Protocol inet, MTU: 1500

      Flags: None

      Addresses, Flags: Is-Preferred Is-Primary

        Destination: 10.133.0.0/30, Local: 10.133.0.1

user@router> show interfaces e1-0/0/0:2

Physical interface: e1-0/0/0:2, Enabled, Physical link is Up

  Interface index: 149, SNMP ifIndex: 34

  Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: E1,

Loopback: None, FCS: 16, Framing: G704,

  Parent: cau4-0/0/0 Interface index 147

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : Keepalives

  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3

  Keepalive: Input: 917 (00:00:05 ago), Output: 915 (00:00:01 ago)

  LCP state: Opened

  NCP state: inet: Opened, inet6: Not-configured, iso: Not-configured,

mpls: Not-configured

  CHAP state: Not-configured

  Last flapped   : Never

  Input rate     : 16 bps (0 pps)

  Output rate    : 16 bps (0 pps)

  DS1   alarms   : None

  DS1   defects  : None

  SDH   alarms   : None

  SDH   defects  : None

  Logical interface e1-0/0/0:2.0 (Index 68) (SNMP ifIndex 170)

    Flags: Point-To-Point SNMP-Traps Encapsulation: PPP

    Bandwidth: 0

    Protocol inet, MTU: 1500

      Flags: None

      Addresses, Flags: Is-Preferred Is-Primary

        Destination: 10.133.0.4/30, Local: 10.133.0.5

To view information about a CE1 channel, include the ce1-fpc/pic/port:channel (interface name) option with the show interfaces command:

user@router> show interfaces ce1-0/0/0:11

Physical interface: ce1-0/0/0:11, Enabled, Physical link is Up

  Interface index: 169, SNMP ifIndex: 288

  Link-level type: Controller, Clocking: Internal, Speed: E1, Loopback: None, 
Framing: G704, Parent: cau4-0/0/0 Interface index 147

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : None

  Last flapped   : 2003-02-06 22:05:23 PST (00:13:45 ago)

  DS1   alarms   : None

  DS1   defects  : None

  SDH   alarms   : None

  SDH   defects  : None

To view information about an NxDS-0 interface, include the ds-fpc/pic/port:channel:channel (interface name) option with the show interfaces command. For channel group ds-0/0/0:11:1, the speed of the link is 640 Kbps because it contains 10 DS-0s (64 x 10 = 640). For single DS-0 channel ds-0/0/0:11:4, the speed of the link is the standard 64 Kbps.

user@router> show interfaces ds-0/0/0:11:1

Physical interface: ds-0/0/0:11:1, Enabled, Physical link is Up

  Interface index: 170, SNMP ifIndex: 289

  Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: 640kbps,

Loopback: Illegal, FCS: 16,

  Parent: ce1-0/0/0:11 Interface index 169

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : Keepalives

  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3

  Keepalive: Input: 0 (never), Output: 0 (never)

  LCP state: Conf-req-sent

  NCP state: inet: Down, inet6: Not-configured, iso: Not-configured, mpls: 
Not-configured

  CHAP state: Not-configured

  Last flapped   : Never

  Input rate     : 0 bps (0 pps)

  Output rate    : 0 bps (0 pps)

  DS0 BERT configuration:

    BERT time period: 10 seconds, Elapsed: 0 seconds

    Induced Error rate: 10e-0, Algorithm: 2^15 - 1, O.151, Pseudorandom (9)

  Logical interface ds-0/0/0:11:1.0 (Index 77) (SNMP ifIndex 290)

    Flags: Hardware-Down Point-To-Point SNMP-Traps Encapsulation: PPP

    Bandwidth: 0

    Protocol inet, MTU: 1500

      Flags: Protocol-Down

      Addresses, Flags: Dest-route-down Is-Preferred Is-Primary

        Destination: 10.134.1.0/30, Local: 10.134.1.1

user@router> show interfaces ds-0/0/0:11:4

Physical interface: ds-0/0/0:11:4, Enabled, Physical link is Up

  Interface index: 173, SNMP ifIndex: 295

  Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: 64kbps, Loopback: 
Illegal, FCS: 16,

  Parent: ce1-0/0/0:11 Interface index 169

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : Keepalives

  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3

  Keepalive: Input: 0 (never), Output: 0 (never)

  LCP state: Conf-req-sent

  NCP state: inet: Down, inet6: Not-configured, iso: Not-configured, mpls: 
Not-configured

  CHAP state: Not-configured

  Last flapped   : Never

  Input rate     : 0 bps (0 pps)

  Output rate    : 0 bps (0 pps)

  DS0 BERT configuration:

    BERT time period: 10 seconds, Elapsed: 0 seconds

    Induced Error rate: 10e-0, Algorithm: 2^15 - 1, O.151, Pseudorandom (9)

  Logical interface ds-0/0/0:11:4.0 (Index 80) (SNMP ifIndex 296)

    Flags: Hardware-Down Point-To-Point SNMP-Traps Encapsulation: PPP

    Bandwidth: 0

    Protocol inet, MTU: 1500

      Flags: Protocol-Down

      Addresses, Flags: Dest-route-down Is-Preferred Is-Primary

        Destination: 10.134.4.0/30, Local: 10.134.4.1

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