Verifying the configuration – H3C Technologies H3C S5560 Series Switches User Manual

Page 152

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# Configure GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 as trunk ports, and assign them

to VLAN 100.

[DeviceB] interface gigabitethernet 1/0/1

[DeviceB-GigabitEthernet1/0/1] port link-type trunk

[DeviceB-GigabitEthernet1/0/1] port trunk permit vlan 100

[DeviceB-GigabitEthernet1/0/1] quit

[DeviceB] interface gigabitethernet 1/0/2

[DeviceB-GigabitEthernet1/0/2] port link-type trunk

[DeviceB-GigabitEthernet1/0/2] port trunk permit vlan 100

[DeviceB-GigabitEthernet1/0/2] quit

3.

Configure Device C:
# Create VLAN 100.

<DeviceC> system-view

[DeviceC] vlan 100

[DeviceC–vlan100] quit

# Configure GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 as trunk ports, and assign them
to VLAN 100.

[DeviceC] interface gigabitethernet 1/0/1

[DeviceC-GigabitEthernet1/0/1] port link-type trunk

[DeviceC-GigabitEthernet1/0/1] port trunk permit vlan 100

[DeviceC-GigabitEthernet1/0/1] quit

[DeviceC] interface gigabitethernet 1/0/2

[DeviceC-GigabitEthernet1/0/2] port link-type trunk

[DeviceC-GigabitEthernet1/0/2] port trunk permit vlan 100

[DeviceC-GigabitEthernet1/0/2] quit

Verifying the configuration

# View the system logs on devices, for example, Device A.

[DeviceA]

%Feb 24 15:04:29:663 2013 DeviceA LPDT/4/LPDT_LOOPED: Loopback exists on

GigabitEthernet1/0/1.

%Feb 24 15:04:29:667 2013 DeviceA LPDT/4/LPDT_LOOPED: Loopback exists on

GigabitEthernet1/0/2.

%Feb 24 15:04:44:243 2013 DeviceA LPDT/5/LPDT_RECOVERED: Loopback on GigabitEthernet1/0/1

recovered.

%Feb 24 15:04:44:248 2013 DeviceA LPDT/5/LPDT_RECOVERED: Loopback on GigabitEthernet1/0/2

recovered.

The output shows the following information:

•

Device A detected loops on ports GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 within a
loop detection interval.

•

Loops on ports GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 were removed.

# Use the display loopback-detection command to display the loop detection configuration and status on

devices, for example, Device A.

[DeviceA] display loopback-detection

Loop detection is enabled.

Loop detection interval is 35 second(s).

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This manual is related to the following products:

H3C S5130 Series Switches, H3C S5120 Series Switches, H3C SR8800, H3C SR6600-X, H3C SR6600, H3C MSR 5600, H3C MSR 50, H3C MSR 3600, H3C MSR 30, H3C MSR 2600, H3C MSR 20-2X[40], H3C MSR 20-1X, H3C MSR 930, H3C MSR 900, H3C WX6000 Series Access Controllers, H3C WX5000 Series Access Controllers, H3C WX3000 Series Unified Switches, H3C LSWM1WCM10 Access Controller Module, H3C LSWM1WCM20 Access Controller Module, H3C LSQM1WCMB0 Access Controller Module, H3C LSRM1WCM2A1 Access Controller Module, H3C LSBM1WCM2A0 Access Controller Module

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