Creating/Modifying VLANs Configuring VLANs
page 4-6 OmniSwitch 6800/6850/9000 Network Configuration Guide March 2008
To create more than 253 VLANs on a switch running in the 1x1 Spanning Tree mode, use the vlan stp
disable, vlan 1x1 stp disable, or vlan flat stp disable command to create a VLAN with Spanning Tree
disabled. See “Enabling/Disabling Spanning Tree for a VLAN” on page 4-10 for more information.
To view a list of VLANs already configured on the switch, use the show vlan command. See “Verifying
the VLAN Configuration” on page 4-15 for more information.
Enabling/Disabling the VLAN Administrative Status
To enable or disable the administrative status for an existing VLAN, enter vlan followed by an existing
VLAN ID and either enable or disable.
-> vlan 755 disable
-> vlan 255 enable
When the administrative status for a VLAN is disabled, VLAN port assignments are retained but traffic is
not forwarded on these ports. If any rules were defined for the VLAN, they are also retained and continue
to classify mobile port traffic. See Chapter 12, “Defining VLAN Rules,” for more information.
Modifying the VLAN Description
To change the description for a VLAN, enter vlan followed by an existing VLAN ID and the keyword
name followed by the new description (up to 32 characters). For example, the following command
changes the description for VLAN 455 to “Marketing IP Network”:
-> vlan 455 name “Marketing IP Network”
Note that quotation marks are required if the description consists of multiple words separated by spaces. If
the description consists of only one word or words are separated by another character, such as a hyphen,
then quotes are not required. For example,
-> vlan 455 name Marketing-IP-Network
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