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Checking Your Work

To verify correct operation of a channelized DS3 IQ interface, use the following commands:

show interfaces
show interfaces controller
show interfaces interval (for T3, channelized T3, T1, and channelized T1 channels)

To view the interface names of the physical channelized DS3 IQ interface and the channels configured on this interface, use the show interfaces controller command:

user@RouterA> show interfaces controller ct3-0/0/1

Controller                                                           Admin Link

ct3-0/0/1                                                            up    up

# This is the physical channelized DS3 (channelized T3) IQ interface.

    t1-0/0/1:1                                                       up    up

# Channel 1 is a channelized T1 interface.

    ct1-0/0/1:2                                                      up    up

        ds-0/0/1:2:1                                                 up    up

        ds-0/0/1:2:2                                                 up    up

        ds-0/0/1:2:3                                                 up    up

    t1-0/0/1:3                                                       up    down

    t1-0/0/1:4                                                       up    up

    t1-0/0/1:5                                                       up    up

    t1-0/0/1:6                                                       up    up

    t1-0/0/1:7                                                       up    up

    t1-0/0/1:8                                                       up    up

    t1-0/0/1:9                                                       up    up

    t1-0/0/1:10                                                      up    up

# Channels 3 through 10 are T1 interfaces.

    ct1-0/0/1:11                                                     up    up

    ct1-0/0/1:12                                                     up    up

    ct1-0/0/1:13                                                     up    up

    ct1-0/0/1:14                                                     up    up

    ct1-0/0/1:15                                                     up    up

    ct1-0/0/1:16                                                     up    up

    ct1-0/0/1:17                                                     up    up

    ct1-0/0/1:18                                                     up    up

    ct1-0/0/1:19                                                     up    up

    ct1-0/0/1:20                                                     up    up

    ct1-0/0/1:21                                                     up    up

    ct1-0/0/1:22                                                     up    up

    ct1-0/0/1:23                                                     up    up

    ct1-0/0/1:24                                                     up    up

    ct1-0/0/1:25                                                     up    up

    ct1-0/0/1:26                                                     up    up

    ct1-0/0/1:27                                                     up    up

    ct1-0/0/1:28                                                     up    up

# Channels 11 through 28 are channelized T1 interfaces.

To view information about the physical channelized interface, include the ct3-fpc/pic/port (interface name) option with the show interfaces command:

user@RouterA> show interfaces extensive ct3-0/0/1

Physical interface: ct3-0/0/1, Enabled, Physical link is Up

  Interface index: 30, SNMP ifIndex: 317, Generation: 29

  Link-level type: Controller, MTU: 4474, Clocking: Internal, Speed: T3,

  Loopback: None, FCS: 16, Mode: C/Bit parity, Parent: None

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : None

  Hold-times     : Up 0 ms, Down 0 ms

  Last flapped   : 2002-10-04 10:24:18 PDT (01:40:40 ago)

  Statistics last cleared: 2002-10-04 11:47:27 PDT (00:17:31 ago)

  Traffic statistics:

   Input  bytes  :                    0                    0 bps

   Output bytes  :                    0                    0 bps

   Input  packets:                    0                    0 pps

   Output packets:                    0                    0 pps

  Input errors:

    Errors: 0, Drops: 0, Framing errors: 0, Bucket drops: 0,

    Policed discards: 0, L3 incompletes: 0, L2 channel errors: 0,

    L2 mismatch timeouts: 0, HS link CRC errors: 0, SRAM errors: 0

  Output errors:

    Carrier transitions: 0, Errors: 0, Drops: 0, Aged packets: 0

  Active alarms  : None

  Active defects : None

  DS3 media:            Seconds        Count  State

    PLL Lock                  0            0  OK

    Reframing                 0            0  OK

    AIS                       0            0  OK

    LOF                       0            0  OK

    LOS                       0            0  OK

    IDLE                      0            0  OK

    YELLOW                    0            0  OK

    BPV                       0            0

    EXZ                       0            0

    LCV                       0            0

    PCV                       0            0

    CCV                       0            0

    LES                       0

    PES                       0

    PSES                      0

    CES                       0

    CSES                      0

    SEFS                      0

  HDLC configuration:

    Policing bucket: Disabled

    Shaping bucket : Disabled

    Giant threshold: 0, Runt threshold: 0

  DSU configuration:

    Compatibility mode: None, Scrambling: Disabled, Subrate: Disabled

    FEAC loopback: Inactive, Response: Disabled, Count: 0

  DS-3 BERT configuration:

    BERT time period: 10 seconds, Elapsed: 0 seconds

    Algorithm: 2^3 - 1, Pseudorandom (1), Induced error rate: 10e-0

  Packet Forwarding Engine configuration:

    Destination slot: 0 (0x00)

    CoS transmit queue             Bandwidth           Buffer Priority   Limit

                              %          bps   %        bytes

    0 best-effort            95     42499200  95            0      low    none

    3 network-control         5      2236800   5            0      low    none

To view information about a channelized T1 channel, include the ct1-fpc/pic/port:channel (interface name) option with the show interfaces command:

user@RouterA> show interfaces extensive ct1-0/0/1:2

Physical interface: ct1-0/0/1:2, Enabled, Physical link is Up

  Interface index: 175, SNMP ifIndex: 1505, Generation: 174

  Link-level type: Controller, MTU: 1504, Clocking: Internal, Speed: T1,

  Loopback: None, FCS: 16, Framing: ESF, Parent: ct3-0/0/1 (Index 32)

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : None

  Hold-times     : Up 0 ms, Down 0 ms

  Last flapped   : 2002-10-04 12:08:23 PDT (00:05:57 ago)

  Statistics last cleared: Never

  Traffic statistics:

   Input  bytes  :                    0                    0 bps

   Output bytes  :                    0                    0 bps

   Input  packets:                    0                    0 pps

   Output packets:                    0                    0 pps

  Input errors:

    Errors: 0, Drops: 0, Framing errors: 0, Policed discards: 0,

    L3 incompletes: 0, L2 channel errors: 0, L2 mismatch timeouts: 0,

    HS link CRC errors: 0, SRAM errors: 0

  Output errors:

    Carrier transitions: 0, Errors: 0, Drops: 0, Aged packets: 0

  DS1   alarms   : None

  DS1   defects  : AIS, LOF

  T1  media:            Seconds        Count  State

    SEF                       0            0  OK

    BEE                       1            1  OK

    AIS                     355            1  Defect Active

    LOF                     355            1  Defect Active

    LOS                       0            0  OK

    YELLOW                    0            0  OK

    BPV                       0            0

    EXZ                       0            0

    LCV                       0            0

    PCV                       0            0

    CS                        0            0

    LES                     355

    ES                      355

    SES                     355

    SEFS                    355

    BES                       0

    UAS                       0

  HDLC configuration:

    Policing bucket: Disabled

    Shaping bucket : Disabled

    Giant threshold: 1514, Runt threshold: 0

    Timeslots      : All active

    Line encoding: B8ZS, Byte encoding: Nx64K

    Buildout       : 0 to 132 feet

    Data inversion: Disabled

  DS1 BERT configuration:

    BERT time period: 10 seconds, Elapsed: 0 seconds

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

  Packet Forwarding Engine configuration:

    Destination slot: 0 (0x00)

    CoS transmit queue             Bandwidth           Buffer Priority   Limit

                              %          bps   %        bytes

    0 best-effort            95      1459200  95            0      low    none

    3 network-control         5        76800   5            0      low    none

To view information about an NxDS0 interface, include the ds-fpc/pic/port:channel (interface name) option with the show interfaces command. In this case, the speed is 640 Kbps because this channel contains 10 DS0s (64 x 10 = 640).

user@RouterA> show interfaces extensive ds-0/0/1:2:1

Physical interface: ds-0/0/1:2:1, Enabled, Physical link is Up

  Interface index: 176, SNMP ifIndex: 1563, Generation: 175

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

  Loopback: None, FCS: 16, Parent: ct1-0/0/1:2 (Index 175)

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps

  Link flags     : Keepalives

  Hold-times     : Up 0 ms, Down 0 ms

  Last flapped   : 2002-10-04 12:09:06 PDT (00:05:54 ago)

  Statistics last cleared: Never

  Traffic statistics:

   Input  bytes  :                    0                    0 bps

   Output bytes  :                    0                    0 bps

   Input  packets:                    0                    0 pps

   Output packets:                    0                    0 pps

  Input errors:

    Errors: 0, Drops: 0, Framing errors: 0, Policed discards: 0,

    L3 incompletes: 0, L2 channel errors: 0, L2 mismatch timeouts: 0,

    HS link CRC errors: 0

  Output errors:

    Carrier transitions: 1, Errors: 0, Drops: 0, Aged packets: 0

  Queue counters:       Queued packets  Transmitted packets      Dropped packets

    0 best-effort                    0                    0                    0

    1 expedited-fo                   0                    0                    0

    2 assured-forw                   0                    0                    0

    3 network-cont                   0                    0                    0

  Interface transmit queues:

              B/W  WRR       Packets        Bytes        Drops       Errors

    Queue0      0    0             0            0            0            0

    Queue1      0    0             0            0            0            0

  HDLC configuration:

    Giant threshold: 0, Runt threshold: 0

    Timeslots      : 1-10

    Byte encoding: Nx64K, Data inversion: Disabled

  Packet Forwarding Engine configuration:

    Destination slot: 0, PLP byte: 4 (0x10)

    CoS transmit queue             Bandwidth           Buffer Priority   Limit

                              %          bps   %        bytes

    0 best-effort            95       608000  95            0      low    none

    3 network-control         5        32000   5            0      low    none

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