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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
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Chapter 14 Overview of the Serial SPAs
Displaying the SPA Hardware Type
MTU 4470 bytes, BW 44210 Kbit, DLY 200 usec,
reliability 248/255, txload 1/255, rxload 1/255
Encapsulation HDLC, crc 16, loopback not set
Keepalive set (10 sec)
Last input 00:00:06, output 00:00:07, output hang never
Last clearing of ''show interface'' counters 00:00:01
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicast)
0 runts, 0 giants, 0 throttles
0 parity
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 applique, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
The following example shows output from the show interfaces serial command on a Cisco ASR 1000
Series Router with an 8-Port Channelized T1/E1 SPA installed in slot 0:
router#:show interfaces serial 0/3/0:0
Serial0/3/0:0 is up, line protocol is up
Hardware is SPA-8XCHT1/E1
Internet address is 79.1.1.2/16
MTU 1500 bytes, BW 1984 Kbit, DLY 20000 usec,
reliability 255/255, txload 240/255, rxload 224/255
Encapsulation HDLC, crc 16, loopback not set
Keepalive not set
Last input 3d21h, output 3d21h, output hang never
Last clearing of ''show interface'' counters never
Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 2998712
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 1744000 bits/sec, 644 packets/sec
5 minute output rate 1874000 bits/sec, 690 packets/sec
180817311 packets input, 61438815508 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
2 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 2 abort
180845200 packets output, 61438125092 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 output buffer failures, 0 output buffers swapped out
1 carrier transitions no alarm present
Timeslot(s) Used:1-31, subrate: 64Kb/s, transmit delay is 0 flags 2
Examples of the show controllers Command
The following example shows output from the show controllers serial command on a Cisco ASR 1000
Series Router with a 2-Port Clear Channel T3/E3 SPA installed in slot 2:
Router# show controllers serial 2/2/0
Serial2/2/0 - (SPA-2XT3/E3) is up
Current mode is T3
Framing is c-bit, Clock Source is Line
Bandwidth limit is 44210, DSU mode 0, Cable length is 10 feet
rx FEBE since last clear counter 0, since reset 0
Data in current interval (820 seconds elapsed):