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Configuring Extended-Range VLANs
settings of all parameters. If you enter an extended-range VLAN ID when the switch is not in VTP
transparent mode, an error message is generated when you exit from config-vlan mode, and the
extended-range VLAN is not created.
Extended-range VLANs are not saved in the VLAN database; they are saved in the switch running
configuration file. You can save the extended-range VLAN configuration in the switch startup
configuration file by using the copy running-config startup-config privileged EXEC command.
Before you create an extended-range VLAN, you can verify that the VLAN ID is not used internally by
Note
entering the show vlan internal usage privileged EXEC command. If the VLAN ID is used internally
and you want to free it up, go to
section on page 11-15
Beginning in privileged EXEC mode, follow these steps to create an extended-range VLAN:
Command
Step 1
configure terminal
Step 2
vtp mode transparent
Step 3
vlan vlan-id
Step 4
mtu mtu-size
Step 5
remote-span
Step 6
end
Step 7
show vlan id vlan-id
Step 8
copy running-config startup config
To delete an extended-range VLAN, use the no vlan vlan-id global configuration command.
The procedure for assigning static-access ports to an extended-range VLAN is the same as for
normal-range VLANs. See the
This example shows how to create a new extended-range VLAN with all default characteristics, enter
config-vlan mode, and save the new VLAN in the switch startup configuration file:
Switch(config)# vtp mode transparent
Switch(config)# vlan 2000
Switch(config-vlan)# end
Switch# copy running-config startup config
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
11-14
the"Creating an Extended-Range VLAN with an Internal VLAN ID"
before creating the extended-range VLAN.
Purpose
Enter global configuration mode.
Configure the switch for VTP transparent mode, disabling VTP.
Enter an extended-range VLAN ID and enter config-vlan mode. The
range is 1006 to 4094.
(Optional) Modify the VLAN by changing the MTU size.
Although all VLAN commands appear in the CLI help in
Note
config-vlan mode, only the mtu mtu-size, private-vlan, and
remote-span commands are supported for extended-range
VLANs.
(Optional) Configure the VLAN as the RSPAN VLAN. See the
"Configuring a VLAN as an RSPAN VLAN" section on page
Return to privileged EXEC mode.
Verify that the VLAN has been created.
Save your entries in the switch startup configuration file. To save
extended-range VLAN configurations, you need to save the VTP
transparent mode configuration and the extended-range VLAN
configuration in the switch startup configuration file. Otherwise, if the
switch resets, it will default to VTP server mode, and the extended-range
VLAN IDs will not be saved.
"Assigning Static-Access Ports to a VLAN" section on page
Chapter 11
Configuring VLANs
27-16.
11-11.
OL-8915-03
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