3Com 4510G Configuration Manual page 146

3) Assign non-trunk ports to the isolate-user-VLAN and ensure that at least one port takes the
isolate-user-VLAN as its default VLAN;
4) Assign non-trunk ports to each secondary VLAN and ensure that at least one port in a secondary
VLAN takes the secondary VLAN as its default VLAN;
5) Associate the isolate-user-VLAN with the specified secondary VLANs.
Follow these steps to configure an isolate-user-VLAN:
To do...
Enter system view
Create a VLAN and enter VLAN
view
Configure the VLAN as an
isolate-user-VLAN
Return to system view
Assign ports to the
isolate-user-VLAN
Access port
and ensure that at
least one port
takes the
isolate-user-VLAN
Hybrid port
as its default
VLAN
Return to system view
Create secondary VLANs
Quit to system view
Assign ports to
each secondary
Access port
VLAN and
ensure that at
least one port in
a secondary
VLAN takes the
secondary VLAN
Hybrid port
as its default
VLAN
Return to system view
Associate the isolate-user-VLAN
with the specified secondary
VLANs
After associating an isolate-user-VLAN with the specified secondary VLANs, you cannot add/remove a
access port to/from each involved VLAN or remove each involved VLAN. To do that, you must cancel
the association first.
Use the command
system-view
vlan vlan-id
isolate-user-vlan enable
quit
Refer to Assigning an Access Port to a
VLAN
Refer to Assigning a Hybrid Port to a
VLAN
quit
vlan { vlan-id1 [ to vlan-id2 ] | all }
quit
Refer to Assigning an Access Port to a
VLAN
Assigning a Hybrid Port to a
Refer to
VLAN
quit
isolate-user-vlan isolate-user-vlan-id
secondary secondary-vlan-id [ to
secondary-vlan-id ]
7-2
Remarks
—
—
Required
—
Use either approach.
—
Required
—
Required to choose
either
—
Required