Vlan Configuration Options - Cisco 6500 Series Software Configuration Manual

Chapter 9 Configuring VLANs
•
•
Configuring VLANs
These sections describe how to configure VLANs:
•
•
•
•
•
Note •
•

VLAN Configuration Options

These sections describe the VLAN configuration options:
•
•
VLAN Configuration in Global Configuration Mode
Releases 12.1(11b)E and later support VLAN configuration in global configuration mode.
Note
If the switch is in VTP server or transparent mode (see the
can configure VLANs in global and config-vlan configuration modes. When you configure VLANs in
global and config-vlan configuration modes, the VLAN configuration is saved in the vlan.dat files. To
display the VLAN configuration, enter the show vlan command.
If the switch is in VLAN transparent mode, use the copy running-config startup-config command to
save the VLAN configuration to the startup-config file. After you save the running configuration as the
startup configuration, use the show running-config and show startup-config commands to display the
VLAN configuration.
Note •
78-14099-04
When a Catalyst 6500 series switch is configured as a VTP server, you can configure FDDI and
Token Ring VLANs from the switch.
You must configure a TrBRF before you configure the TrCRF (the parent TrBRF VLAN you specify
must exist).
VLAN Configuration Options, page 9-9
Creating or Modifying an Ethernet VLAN, page 9-10
Assigning a Layer 2 LAN Interface to a VLAN, page 9-12
Configuring the Internal VLAN Allocation Policy, page 9-12
Mapping 802.1Q VLANs to ISL VLANs, page 9-12
With releases 12.1(11b)E and later, when you are in configuration mode you can enter EXEC mode
commands by entering the do keyword before the EXEC mode command.
VLANs support a number of parameters that are not discussed in detail in this section. For complete
information, refer to the Catalyst 6500 Series Switch Cisco IOS Command Reference publication.
VLAN Configuration in Global Configuration Mode, page 9-9
VLAN Configuration in VLAN Database Mode, page 9-10
When the switch boots, if the VTP domain name and VTP mode in the startup-config and vlan.dat
files do not match, the switch uses the configuration in the vlan.dat file.
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
"Configuring VTP" section on page
Configuring VLANs
8-6), you
9-9