3com 8807 User Guide

C

HAPTER

 9: I

SOLATE

-

USER

-VLAN C

ONFIGURATION

n 

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An isolate-user-VLAN can correspond to up to 64 Secondary VLANs.

■

You can configure up to 32 isolate-user-VLANs for a system.

■

You can configure up to 1,024 Secondary VLANs for a system.

■

You cannot configure the same MAC address in a Secondary VLAN 
corresponding to an isolate-user-VLAN.

■

If a VLAN is an isolate-user-VLAN or a Secondary VLAN, you cannot configure 
vlan-interface; a VLAN configured with vlan-interface cannot be configured as 
an isolate-user-VLAN or a Secondary VLAN.

Table 48   Configure an isolate-user-VLAN

Enter system view 

system-view 

- 

Create a VLAN 

vlan vlan-id 

Required 

Configure the VLAN as an 
isolate-user-VLAN 

isolate-user-vlan enable 

Required

You cannot configure VLAN 1 
as an isolate-user-VLAN 

Add ports to the 
isolate-user-VLAN 

port interface-list 

Optional

An isolate-user-VLAN can 
contain multiple ports, 
including upstream ports 
connecting to other switches. 
However the contained ports 
can only be access or hybrid 
ports, not trunk ports.

Table 49   Configure a Secondary VLAN

Enter system view 

system-view 

- 

Create a VLAN as a Secondary 
VLAN 

vlan vlan-id 

Required

You cannot configure VLAN 1 
as a Secondary VLAN. 

Add ports to the Secondary 
VLAN 

port interface-list 

Optional

You can add multiple ports 
(not uplink ports) to a 
Secondary VLAN.

Table 50   Map an isolate-user-VLAN to secondary VLANs

Enter system view 

system-view 

- 

Map an isolate-user-VLAN to 
secondary VLANs 

isolate-user-vlan 
isolate-user-vlan-num secondary 
secondary-vlan-numlist 

Required