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Chapter 11
Configuring VLANs
Configuring UNI VLANs
By default, every VLAN created on the switch is a UNI isolated VLAN. You can change the
configuration to UNI community VLAN or to a private VLAN or RSPAN VLAN. For procedures for
configuring private VLANs or RSPAN VLANs, see
Chapter 24, "Configuring SPAN and RSPAN."
Beginning in privileged EXEC mode, follow these steps to change the type of a UNI VLAN:
Command
Step 1
configure terminal
Step 2
vlan vlan-id
Step 3
uni-vlan {community | isolated}
Step 4
end
Step 5
show vlan uni-vlan [type]
Step 6
copy running-config startup config (Optional) Save the configuration in the switch startup configuration file.
Use the no uni-vlan VLAN configuration command to return to the default (UNI isolated VLAN).
Entering uni-vlan isolated command has the same effect as entering the no uni-vlan VLAN
configuration command. The show vlan and show vlan vlan-id privileged EXEC commands also display
UNI VLAN information, but only UNI community VLANs appear. To display both isolated and
community VLANs, use the show vlan uni-vlan type command.
78-17058-01
Chapter 12, "Configuring Private VLANs"
Purpose
Enter global configuration mode.
Enter a VLAN ID, and enter VLAN configuration mode. Enter a new VLAN
ID to create a VLAN, or enter an existing VLAN ID to modify that VLAN.
By default, the VLAN is a UNI isolated VLAN.
Note
The available VLAN ID range for this command is 1 to 4094.
Configure the UNI VLAN type.
Enter community to change from the default to a UNI community
•
VLAN.
Enter isolated to return to the default UNI isolated VLAN.
•
VLAN 1 is always a UNI isolated VLAN; you cannot configure
Note
VLAN 1 as a UNI community VLAN. The reserved VLANs 1002 to
1005 are not Ethernet VLANs.
Return to privileged EXEC mode.
Display UNI VLAN information. Enter type (optional) to see only the
VLAN ID and type of UNI VLAN.
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
Creating and Modifying VLANs
and
11-13
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Troubleshooting
