Vlans In The Vtp Database; Token Ring Vlans; Default Vlan Configuration - Cisco WS-C3550-12G Software Configuration Manual

Chapter 9 Creating and Maintaining VLANs

VLANs in the VTP Database

You can set these parameters when you create a new VLAN or modify an existing VLAN in the VTP
database:
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each VLAN media type.

Token Ring VLANs

Although the Catalyst 3550 switches do not support Token Ring connections, a remote device such as a
Catalyst 5000 series switch with Token Ring connections could be managed from one of the supported
switches. Switches running VTP version 2 advertise information about these Token Ring VLANs:
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For more information on configuring Token Ring VLANs, see the Catalyst 5000 Series Software
Configuration Guide.

Default VLAN Configuration

Table 9-5
Note The switch supports Ethernet interfaces exclusively. Because FDDI and Token Ring VLANs are not
locally supported, you only configure FDDI and Token Ring media-specific characteristics for VTP
global advertisements to other switches.
78-11194-03
VLAN ID
VLAN name
VLAN type (Ethernet, Fiber Distributed Data Interface [FDDI], FDDI network entity title [NET],
TrBRF, or TrCRF, Token Ring, Token Ring-Net)
VLAN state (active or suspended)
Maximum transmission unit (MTU) for the VLAN
Security Association Identifier (SAID)
Bridge identification number for TrBRF VLANs
Ring number for FDDI and TrCRF VLANs
Parent VLAN number for TrCRF VLANs
Spanning Tree Protocol (STP) type for TrCRF VLANs
VLAN number to use when translating from one VLAN type to another
"Default VLAN Configuration" section on page 9-15
Token Ring TrBRF VLANs
Token Ring TrCRF VLANs
shows the default configuration for Ethernet VLANs.
lists the default values and possible ranges for
Catalyst 3550 Multilayer Switch Software Configuration Guide
VLANs in the VTP Database
9-15