Cisco CRS-1 - Carrier Routing System Router Troubleshooting Guide

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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
OL-21483-02
Chapter 1 General Troubleshooting
Packets
The following example shows how to turn on packet capture for POS 0/1/0/0.
RP/0/RP0/CPU0:router(config)# interface pos 0/1/0/0
RP/0/RP0/CPU0:router(config-if)# capture software packets
RP/0/RP0/CPU0:router(config-if)# end
Uncommitted changes found, commit them before exiting(yes/no/cancel)? [cancel]: yes
The following example shows the output of the show captured packets command for POS 0/6/0/4.
RP/0/RP0/CPU0:router# show captured packets ingress interface pos 0/6/0/4 location
0/6/cpu0
Wed May 2 13:55:50.748 EST EDT
-------------------------------------------------------
packets captured on interface in ingress direction buffer overflow pkt drops:55050,
current: 200, non wrapping: 0
maximum: 200
-------------------------------------------------------
Wrapping entries
-------------------------------------------------------
[1] Apr 25 05:40:00.305, len: 60, hits: 1, i/p i/f: POS0/6/0/4
[punt reason: IPV4_NO_MATCH]
[HDLC: flags 0x0f00 type 0x0800]
[IPV4: source 172.19.90.6, dest 172.19.90.2 ihl 5, ver 4, tos 0
id 0, len 56, prot 61, ttl 64, sum 6e5a, offset 0]
00000000 00000000 00000000 00000000 00100fff 00240306 0d383570 9c106775
ba210000
[2] Apr 25 05:40:00.306, len: 60, hits: 1, i/p i/f: POS0/6/0/4
[punt reason: IPV4_NO_MATCH]
[HDLC: flags 0x0f00 type 0x0800]
[IPV4: source 172.19.90.6, dest 172.19.90.2 ihl 5, ver 4, tos 0
id 0, len 56, prot 61, ttl 64, sum 6e5a, offset 0]
00000000 00000000 00000000 00000000 00100fff 00240332 0d39aa68 6e6ab1c5
12cb0000
[3] Apr 25 05:40:00.307, len: 60, hits: 1, i/p i/f: POS0/6/0/4
[punt reason: IPV4_NO_MATCH]
[HDLC: flags 0x0f00 type 0x0800]
[IPV4: source 172.19.90.6, dest 172.19.90.2 ihl 5, ver 4, tos 0
id 0, len 56, prot 61, ttl 64, sum 6e5a, offset 0]
00000000 00000000 00000000 00000000 00100fff 0024035c 0d3b0e7a 897fe5d9
32b80000
[4] Apr 25 05:40:01.308, len: 60, hits: 1, i/p i/f: POS0/6/0/4
[punt reason: IPV4_NO_MATCH]
[HDLC: flags 0x0f00 type 0x0800]
[IPV4: source 172.19.90.6, dest 172.19.90.2 ihl 5, ver 4, tos 0
id 0, len 56, prot 61, ttl 64, sum 6e5a, offset 0]
00000000 00000000 00000000 00000000 00100fff 00240386 0d3c727e 17fc089b b82f0000
[5] Apr 25 05:40:01.309, len: 60, hits: 1, i/p i/f: POS0/6/0/4
[punt reason: IPV4_NO_MATCH]
[HDLC: flags 0x0f00 type 0x0800]
[IPV4: source 172.19.90.6, dest 172.19.90.2 ihl 5, ver 4, tos 0
id 0, len 56, prot 61, ttl 64, sum 6e5a, offset 0]
00000000 00000000 00000000 00000000 00100fff 002403b2 0d3de784 3bed359f a39c0000
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Cisco CRS-1 - Carrier Routing System Router Specifications

General

Brand	Cisco
Model	CRS-1 - Carrier Routing System Router
Category	Network Router
Language	English