Cisco WS-C4003-RF Hardware Maintenance Manual - Page 46

serial module. The following example shows the output of the, Note that in the previous example

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Network Connection Considerations router> show interface s 0 Serial 0 is up, line protocol is up Hardware is HD64570 Internet address is 193.195.74.236, subnet mask is 255.255.255.248 MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255 Encapsulation HDLC, loopback not set, keepalive not set Last input 0:00:01, output 0:00:10, output hang never Last clearing of "show interface" counters never Output queue 0/40, 0 drops; input queue 0/75, 0 drops Five minute input rate 0 bits/sec, 0 packets/sec Five minute output rate 0 bits/sec, 0 packets/sec 2922 packets input, 5844 bytes, 0 no buffer Received 0 broadcasts, 0 runts, 0 giants 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 145 packets output, 185562 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets, 0 restarts 880 carrier transitions The field underrun, in the output of the show interface command, may be nonzero in approximately one of 250,000 packets. To display the current internal status of an interface module, use the show controller command with the interface unit options. (Note in the example that universal serial means the four port serial module.) The following example shows the output of the show controller serial 2 command: router# show controller s 2 HD unit 2, idb 0x246AAC, ds 0x248240 buffer size 2108 Universal Serial: No cable DCD=0 DSR=0 DTR=0 RTS=0 CTS=0 cpb = 0x4, eda = 0xDA18, cda = 0xD798 RX ring with 32 entries at 0x604D798 00 bd_ptr=0xD798 pak=0x604E728 ds=0x604E87C status=80 pak_size=0 01 bd_ptr=0xD7AC pak=0x604EEAC ds=0x604F000 status=80 pak_size=0 02 bd_ptr=0xD7C0 pak=0x604F630 ds=0x604F784 status=80 pak_size=0 (some screen output deleted) 32 bd_ptr=0xDA18 pak=0x605D7A8 ds=0x605D8FC status=80 pak_size=0 cpb = 0x4, eda = 0xE1E0, cda = 0xE1E0 TX ring with 8 entries at 0x604E1E0 00 bd_ptr=0xE1E0 pak=0x000000 ds=0x000000 status=80 pak_size=0 01 bd_ptr=0xE1F4 pak=0x000000 ds=0x000000 status=80 pak_size=0 02 bd_ptr=0xE208 pak=0x000000 ds=0x000000 status=80 pak_size=0 03 bd_ptr=0xE21C pak=0x000000 ds=0x000000 status=80 pak_size=0 04 bd_ptr=0xE230 pak=0x000000 ds=0x000000 status=80 pak_size=0 05 bd_ptr=0xE244 pak=0x000000 ds=0x000000 status=80 pak_size=0 06 bd_ptr=0xE258 pak=0x000000 ds=0x000000 status=80 pak_size=0 07 bd_ptr=0xE26C pak=0x000000 ds=0x000000 status=80 pak_size=0 08 bd_ptr=0xE280 pak=0x000000 ds=0x000000 status=80 pak_size=0 0 missed datagrams, 0 overruns, 0 bad frame addresses 0 bad datagram encapsulations, 0 memory errors 0 transmitter underruns Note that in the previous example, the cable type is shown as no cable. If a cable is attached to the port, the cable type would be shown, as in the following example: buffer size 2108 Universal Serial: DTE V.24 (RS-232) cable If the cable is DCE, the output of the show controller command displays the clock rate. For complete command descriptions and instructions, refer to the appropriate software publications. 2-24 Cisco 4000 Series Hardware Installation and Maintenance

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2-24
Cisco 4000 Series Hardware Installation and Maintenance
Network Connection Considerations
router>
show interface s 0
Serial 0 is up, line protocol is up
Hardware is HD64570
Internet address is 193.195.74.236, subnet mask is 255.255.255.248
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255
Encapsulation HDLC, loopback not set, keepalive not set
Last input 0:00:01, output 0:00:10, output hang never
Last clearing of "show interface" counters never
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
Five minute input rate 0 bits/sec, 0 packets/sec
Five minute output rate 0 bits/sec, 0 packets/sec
2922 packets input, 5844 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
145 packets output, 185562 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets, 0 restarts
880 carrier transitions
The field
underrun,
in the output of the
show interface
command, may be nonzero in approximately
one of 250,000 packets.
To display the current internal status of an interface module, use the
show controller
command with
the
interface unit
options. (Note in the example that universal serial means the four port
serial module.) The following example shows the output of the
show controller
serial 2
command:
router#
show controller s 2
HD unit 2, idb 0x246AAC, ds 0x248240
buffer size 2108
Universal Serial: No cable
DCD=0
DSR=0
DTR=0
RTS=0
CTS=0
cpb = 0x4, eda = 0xDA18, cda = 0xD798
RX ring with 32 entries at 0x604D798
00 bd_ptr=0xD798 pak=0x604E728 ds=0x604E87C status=80 pak_size=0
01 bd_ptr=0xD7AC pak=0x604EEAC ds=0x604F000 status=80 pak_size=0
02 bd_ptr=0xD7C0 pak=0x604F630 ds=0x604F784 status=80 pak_size=0
(some screen output deleted)
32 bd_ptr=0xDA18 pak=0x605D7A8 ds=0x605D8FC status=80 pak_size=0
cpb = 0x4, eda = 0xE1E0, cda = 0xE1E0
TX ring with 8 entries at 0x604E1E0
00 bd_ptr=0xE1E0 pak=0x000000 ds=0x000000 status=80 pak_size=0
01 bd_ptr=0xE1F4 pak=0x000000 ds=0x000000 status=80 pak_size=0
02 bd_ptr=0xE208 pak=0x000000 ds=0x000000 status=80 pak_size=0
03 bd_ptr=0xE21C pak=0x000000 ds=0x000000 status=80 pak_size=0
04 bd_ptr=0xE230 pak=0x000000 ds=0x000000 status=80 pak_size=0
05 bd_ptr=0xE244 pak=0x000000 ds=0x000000 status=80 pak_size=0
06 bd_ptr=0xE258 pak=0x000000 ds=0x000000 status=80 pak_size=0
07 bd_ptr=0xE26C pak=0x000000 ds=0x000000 status=80 pak_size=0
08 bd_ptr=0xE280 pak=0x000000 ds=0x000000 status=80 pak_size=0
0 missed datagrams, 0 overruns, 0 bad frame addresses
0 bad datagram encapsulations, 0 memory errors
0 transmitter underruns
Note that in the previous example, the cable type is shown as
no cable
. If a cable is attached to the
port, the cable type would be shown, as in the following example:
buffer size 2108
Universal Serial: DTE V.24 (RS-232) cable
If the cable is DCE, the output of the
show controller
command displays the clock rate. For
complete command descriptions and instructions, refer to
the appropriate software publications.