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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
OL-21483-02
Chapter 6 Troubleshooting the Control Plane Ethernet Network
Troubleshooting the Multishelf System Router Topology
25 : 0 0 0 0 GE_1
26 : 0 0 4370089 0 Switch 0
The following example shows output from the show controller backplane ethernet location detail
command:
RP/0/RP0/CPU0:router# show controllers backplane ethernet detail location 0/1/0
FastEthernet0_1_0 is up
Hardware is 10/100 Ethernet, H/W address is 5246.4800.0010
Internet address is 10.0.0.16
MTU 1514 bytes
Encapsulation HFRIES (HFR Internal Ethernet Server)
Mode : Full Duplex, Rate : 100Mb/s
426422 packets input, 0 bytes, 1 total input drops
14170 packets discarded (935122 bytes) in garbage collection
16 packets discarded (5344 bytes) in recv processing
Received 0 broadcast packets, 0 multicast packets
Input errors: 0 CRC, 0 overrun, 0 alignment, 0 length, 0 collision
440272 packets output, 0 bytes, 0 total output drops
Output 0 broadcast packets, 0 multicast packets
Output errors: 0 underruns, 0 aborts, 0 loss of carrier
Troubleshooting the Catalyst Switch
To troubleshoot the Catalyst switch running Cisco IOS software, perform the following procedure.
Note This procedure is supported on Cisco CRS-1 Multishelf Systems only.
Restrictions
The external Catalyst switches must operate with the same software version: Cisco IOS software release
12.2 with Sup720 engine. Please note that older hardware can also use the CatOS software, but Cisco
strongly recommends using the Cisco IOS software.
SUMMARY STEPS
1. Check that all external GE switches are connected to the RPs and SCs.
2. Connect to the external Catalyst switch.
3. enable
4. show running-config
5. Verify communication between the Catalyst switch and the RPs and SCs.
6. Contact Cisco Technical Support if the problem is not resolved
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