H3C S6850 Series Configuration Guide

6
[DeviceA-Twenty-FiveGigE1/0/1] port link-type trunk
[DeviceA-Twenty-FiveGigE1/0/1] port trunk permit vlan 100
[DeviceA-Twenty-FiveGigE1/0/1] quit
[DeviceA] interface twenty-fivegige 1/0/2
[DeviceA-Twenty-FiveGigE1/0/2] port link-type trunk
[DeviceA-Twenty-FiveGigE1/0/2] port trunk permit vlan 100
[DeviceA-Twenty-FiveGigE1/0/2] quit
# Set the global loop protection action to shutdown.
[DeviceA] loopback-detection global action shutdown
# Set the loop detection interval to 35 seconds.
[DeviceA] loopback-detection interval-time 35
2. Configure Device B:
# Create VLAN 100.
<DeviceB> system-view
[DeviceB] vlan 100
[DeviceB–vlan100] quit
# Configure Twenty-FiveGigE 1/0/1 and Twenty-FiveGigE 1/0/2 as trunk ports, and assign
them to VLAN 100.
[DeviceB] interface twenty-fivegige 1/0/1
[DeviceB-Twenty-FiveGigE1/0/1] port link-type trunk
[DeviceB-Twenty-FiveGigE1/0/1] port trunk permit vlan 100
[DeviceB-Twenty-FiveGigE1/0/1] quit
[DeviceB] interface twenty-fivegige 1/0/2
[DeviceB-Twenty-FiveGigE1/0/2] port link-type trunk
[DeviceB-Twenty-FiveGigE1/0/2] port trunk permit vlan 100
[DeviceB-Twenty-FiveGigE1/0/2] quit
3. Configure Device C:
# Create VLAN 100.
<DeviceC> system-view
[DeviceC] vlan 100
[DeviceC–vlan100] quit
# Configure Twenty-FiveGigE 1/0/1 and Twenty-FiveGigE 1/0/2 as trunk ports, and assign
them to VLAN 100.
[DeviceC] interface twenty-fivegige 1/0/1
[DeviceC-Twenty-FiveGigE1/0/1] port link-type trunk
[DeviceC-Twenty-FiveGigE1/0/1] port trunk permit vlan 100
[DeviceC-Twenty-FiveGigE1/0/1] quit
[DeviceC] interface twenty-fivegige 1/0/2
[DeviceC-Twenty-FiveGigE1/0/2] port link-type trunk
[DeviceC-Twenty-FiveGigE1/0/2] port trunk permit vlan 100
[DeviceC-Twenty-FiveGigE1/0/2] 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: A loop was detected on
Twenty-FiveGigE1/0/1.
%Feb 24 15:04:29:664 2013 DeviceA LPDT/4/LPDT_VLAN_LOOPED: A loop was detected on
Twenty-FiveGigE1/0/1 in VLAN 100.

H3C S6850 Series Specifications

General

Brand	H3C
Model	S6850 Series
Category	Switch
Language	English