3Com 5500-EI PWR - Ethernet Port Configuration Example; Troubleshooting Ethernet Port Configuration

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Ethernet Port Configuration Example
Network requirements
z Switch A and Switch B are connected to each other through two trunk port (Ethernet 1/0/1).
z Configure the default VLAN ID of both Ethernet 1/0/1 to 100.
z Allow the packets of VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 to pass both Ethernet 1/0/1.
Network diagram
Figure 1-2 Network diagram for Ethernet port configuration
Configuration procedure
z Only the configuration for Switch A is listed below. The configuration for Switch B is similar to that of
Switch A.
z This example supposes that VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 have been created.
# Enter Ethernet 1/0/1 port view.
<Sysname> system-view
[Sysname] interface ethernet 1/0/1
# Set Ethernet 1/0/1 as a trunk port.
[Sysname-Ethernet1/0/1] port link-type trunk
# Allow packets of VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 to pass Ethernet 1/0/1.
[Sysname-Ethernet1/0/1] port trunk permit vlan 2 6 to 50 100
# Configure the default VLAN ID of Ethernet 1/0/1 to 100.
[Sysname-Ethernet1/0/1] port trunk pvid vlan 100
Troubleshooting Ethernet Port Configuration
Symptom: Fail to configure the default VLAN ID of an Ethernet port.
Solution: Take the following steps:
z Use the display interface or display port command to check if the port is a trunk port or a hybrid
port.
z If the port is not a trunk or hybrid port, configure it to be a trunk or hybrid port.
z Configure the default VLAN ID of the port.