3Com Switch 8800 Advanced Software V5 Configuration Guide

Displaying and Maintaining Isolate-User-VLAN 173
n
■ To create an isolate-user-VLAN, you need to disable the GVRP function first,
and vice versa.
■ After a mapping is configured, the system disallows adding ports to and
removing ports or VLANs from the mapped isolate-user-VLAN and secondary
VLAN.
Displaying and
Maintaining
Isolate-User-VLAN
Isolate-User-VLAN
Configuration
Example
Network requirements
■ Switch A is connected to Switch B and Switch C;
■ On Switch B, VLAN 5 is configured as an isolate-user-VLAN, which includes an
upstream port Ethernet 1/1/5 and two secondary VLANs VLAN 2 and VLAN 3.
VLAN 2 has Ethernet 1/1/2 and VLAN 3 has Ethernet 1/1/3.
■ On Switch C, VLAN 6 is configured as an isolate-user-VLAN, which includes an
upstream port Ethernet 1/1/5 and two secondary VLANs VLAN 3 and VLAN 4.
VLAN 3 has Ethernet 1/1/3 and VLAN 4 has Ethernet 1/1/2.
■ Through the configuration, for Switch A, Switch B only has one VLAN (VLAN 5)
and Switch C only has one VLAN (VLAN 6).
Add ports
to the
secondary
VLAN and
ensure that
at least
one port
has the
secondary
VLAN as its
default
VLAN
Access port Refer to
“Configuring the
Access-Port-Based
VLAN” on page
159
Required to choose either
Hybrid port Refer to
“Configuring the
Hybrid-Port-Based
VLAN” on page
161
Quit to system view quit -
Configure the mapping between the
isolate-user-VLAN and secondary VLAN
isolate-user-vlan
isolate-user-vlan-id
secondary
secondary-vlan-id [
to
secondary-vlan-id ]
Required
To do... Use the command Remarks
To do... Use the command... Remarks
Display the mapping between
an isolate-user-vlan and its
secondary VLAN(s)
display isolate-user-vlan [
isolate-user-vlan-id ]
Available in any view