Huawei V200R001C01 - 12.1.2 Troubleshooting Cases

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0000-0a0a-0102 1 - - Eth2/0/0 dynamic
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0000-5e00-0101 1 - - Eth2/0/0 dynamic
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0098-0113-0005 1 - - Eth2/0/0 dynamic
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0018-824f-f5d1 1 - - Eth2/0/2 dynamic
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3. Run the display current-configuration interface interface-type interface-number
command on RouterC to view the configuration of Eth2/0/0.
#
interface Ethernet2/0/0
undo shutdown
loopback internal
portswitch
port default vlan 1
According to the preceding command output, the loopback function has been configured
on Eth2/0/0, indicating that Eth2/0/0 loops traffic back after receiving it.
4. Run the display interface counters command on RouterC to view traffic on Eth2/0/0,
Eth2/0/1, and Eth2/0/2. A large volume of traffic is transmitted on Eth2/0/0. This indicates
that traffic loss is caused by the loopback function on Eth2/0/0. A small volume of traffic
is transmitted on Eth2/0/2.
5. Run the display mac-address dynamic command multiple times on RouterC to check
MAC addresses. The following command output shows that RouterC has learned the same
MAC address 0000-5e00-0101 from Eth2/0/0 and Eth2/0/1.
[RouterC] display mac-address
dynamic
MAC address table of slot
1:
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MAC Address VLAN/ PEVLAN CEVLAN Port Type
LSP/
VSI/SI MAC-
Tunnel
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0000-0a0a-0102 1 - - Eth2/0/0 dynamic
-
0000-5e00-0101 1 - - Eth2/0/0 dynamic
-
0098-0113-0005 1 - - Eth2/0/2 dynamic
-
0018-824f-f5d1 1 - - Eth2/0/0 dynamic
-
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Total matching items on slot 1 displayed =
4
[RouterC] display mac-address dynamic
MAC address table of slot
1:
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Huawei AR2200-S Series Enterprise Routers
Troubleshooting 11 Reliability
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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