Enabling/Disabling Loopback On The Ethernet Port; Assigning The Ethernet Port To A Vlan - 3Com 3C13636 Configuration Manual

3Com Router 3000 Ethernet Family
Configuration Guide
By default, all broadcast traffic can pass through without suppression.

3.2.10 Enabling/disabling Loopback on the Ethernet Port

You may enable loopback on an Ethernet port to test whether the port is operating
normally.
Perform the following configuration in Ethernet port view.
Table 3-10 Enable/disable loopback on the Ethernet port
Enable loopbck on the port.
Disable loopback on the port.
By default, loopback is disabled on the port.
You need enable loopback on a port only for some special tests.

3.2.11 Assigning the Ethernet Port to a VLAN

You may assign an Ethernet port to a VLAN. When doing this, note that while you may
assign a hybrid or trunk port to multiple VLANs, you may assign an access port to one
VLAN only.
Perform the following configuration in Ethernet port view.
Table 3-11 Assigning the port to the specified VLAN or VLANs
Assign the access port to the
specified VLAN.
Assign the hybrid port to the
specified VLAN or VLANs.
Assign the trunk port to the
specified VLAN or VLANs.
Remove the access port from
the specified VLAN.
Remove the hybrid port from
the specified VLAN or VLANs.
Remove the trunk port from the
specified VLAN or VLANs.
Note that you cannot assign an access port to VLAN 1.
Operation
Operation
3Com Corporation
Chapter 3 Layer 2 Ethernet Port Configuration
loopback
undo loopback
Command
port access vlan vlan_id
port hybrid vlan vlan_id_list { tagged |
untagged }
port trunk permit vlan { vlan_id_list | all }
undo port access vlan
undo port hybrid vlan vlan_id_list
undo port trunk permit vlan { vlan_id_list | all }
3-7
Command