Cisco ISE Software Configuration Guide - Page 77

Troubleshooting Commands, show interfaces atm - 1 2 upgrade

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Software Configuration of ATM ISE Line Cards for Cisco 12000 Series Routers Troubleshooting ATM Errors on the 4-Port ATM ISE Line Card • Upgrading the FPGA Image, page 83 Troubleshooting Commands Use the following commands to troubleshoot ATM errors: • show interfaces atm • show controller traffic • show controller atm show interfaces atm The most common symptoms of ATM-level errors are incrementing numbers in one of the error counters (displayed in boldface) in the show interfaces command: Router# show interfaces atm1/1 ATM1/1 is up , line protocol is up Hardware is PM622 OC-12c ATM, address is 0008.200b.b0ab (bia 008.200b.b0ab) MTU 4470 bytes, sub MTU 4470, BW 622000 Kbit, DLY 80 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ATM, loopback not set Encapsulation(s): AAL5, PVC mode 2047 maximum active VCs, 4 current VCCs VC idle disconnect time: 300 seconds Last input never, output 00:00:02, output hang never Last clearing of "show interface" counters never 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 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 0 packets output, 56 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out Each of the error counters is described in Table 8. Table 8 show interfaces Error Counter Descriptions Error Counter Giants Input Errors CRC Ignored Description The number of packet reassemblies that failed because of a packet size greater than the maximum allowed packet size (18,104 bytes). The total number of packet reassemblies that failed because of errors other than resource exhaustion (not including cells received on nonexisting VC). The number of packet reassemblies that failed because of an invalid AAL5 CRC32 trailer. The total number of packet reassemblies that failed because of complete buffer exhaustion on the SAR. Cisco IOS Release 12.0(27)S 77

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Software Configuration of ATM ISE Line Cards for Cisco 12000 Series Routers
Troubleshooting ATM Errors on the 4-Port ATM ISE Line Card
77
Cisco IOS Release 12.0(27)S
•
Upgrading the FPGA Image, page 83
Troubleshooting Commands
Use the following commands to troubleshoot ATM errors:
•
show interfaces atm
•
show controller traffic
•
show controller atm
show interfaces atm
The most common symptoms of ATM-level errors are incrementing numbers in one of the error counters
(displayed in boldface) in the
show interfaces
command:
Router#
show interfaces atm1/1
ATM1/1 is up , line protocol is up
Hardware is PM622 OC-12c ATM, address is 0008.200b.b0ab (bia 008.200b.b0ab)
MTU 4470 bytes, sub MTU 4470, BW 622000 Kbit, DLY 80 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM, loopback not set
Encapsulation(s): AAL5, PVC mode
2047 maximum active VCs, 4 current VCCs
VC idle disconnect time: 300 seconds
Last input never, output 00:00:02, output hang never
Last clearing of "show interface" counters never
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
input errors
, 0
CRC
, 0 frame, 0 overrun, 0
ignored
, 0
abort
0 packets output, 56 bytes, 0 underruns
0
output errors
, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
Each of the error counters is described in
Table 8
.
Table 8
show interfaces Error Counter Descriptions
Error Counter
Description
Giants
The number of packet reassemblies that failed because of a packet size greater than
the maximum allowed packet size (18,104 bytes).
Input Errors
The total number of packet reassemblies that failed because of errors other than
resource exhaustion (not including cells received on nonexisting VC).
CRC
The number of packet reassemblies that failed because of an invalid AAL5 CRC32
trailer.
Ignored
The total number of packet reassemblies that failed because of complete buffer
exhaustion on the SAR.