Cisco CRS-1 - Carrier Routing System Router Troubleshooting Guide

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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
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Chapter 3 Troubleshooting Forwarding
Troubleshooting the Interface Manager
RP/0/RP0/CPU0:router# show im children ifhandle 0x03000200
SONET0/2/0/0, ifh 0x03000200 (administratively down)
SonetPath0/2/0/0, ifh 0x03000300 (administratively down)
POS0/2/0/0, ifh 0x03000400 (administratively down)
When the interfaces are created, use the show interfaces command to examine the state. The following
sample output is from the show interfaces command for POS 0/2/0/0:
RP/0/RP0/CPU0:router# show interfaces POS 0/2/0/0
POS0/2/0/0 is up, line protocol is up
Hardware is Packet over SONET
Description: router4 POS 2\0
Internet address is 3.4.5.6/24
MTU 4474 bytes, BW 155520 Kbit
reliability 25/255, txload Unknown, rxload Unknown
Encapsulation HDLC, crc 16, controller loopback not set, keepalive set (10 sec)
Last clearing of "show interface" counters never
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 total input drops
0 drops for unrecognized upper-level protocol
Received 0 broadcast packets, 0 multicast packets
0 runts, 0 giants, 0 throttles, 0 parity
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
3 packets output, 62 bytes, 0 total output drops
Output 0 broadcast packets, 0 multicast packets
0 output errors, 0 underruns, 0 applique, 0 resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
The following sample output from the show interfaces command shows the router summary:
RP/0/RP0/CPU0:router# show interfaces summary
Interface Type Total UP Down Admin Down
-------------- ----- -- ---- ----------
ALL TYPES 54 32 1 21
--------------
IFT_ETHERBUNDLE 1 1 0 0
IFT_VLAN_SUBIF 3 3 0 0
IFT_POSBUNDLE 1 1 0 0
IFT_LOOPBACK 1 1 0 0
IFT_NULL 1 1 0 0
IFT_SBC 2 2 0 0
IFT_POS 20 11 1 8
IFT_SERIAL_T3E3 4 0 0 4
IFT_GETHERNET 16 8 0 8
IFT_ETHERNET 4 4 0 0
The following sample output from the show interfaces command shows a per interface summary:
RP/0/RP0/CPU0:router# show interfaces brief
Intf Intf LineP Encap MTU BW
Name State State Type (byte) (Kbps)
--------------------------------------------------------------------------------
Nu0 up up Null 1500 Unknown
Mg0/0/CPU0/0 up up ARPA 1514 100000
PO0/2/0/0 up down HDLC 4474 155520
PO0/2/0/1 admin-down admin-down HDLC 4474 155520
PO0/2/0/2 admin-down admin-down HDLC 4474 155520
PO0/2/0/3 admin-down admin-down HDLC 4474 155520

Cisco CRS-1 - Carrier Routing System Router Specifications

General

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