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Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-05
Enabling UplinkFast for Use with Redundant Links 12-17
Enabling Cross-Stack UplinkFast 12-18
Enabling BackboneFast 12-19
Enabling Root Guard 12-19
Enabling Loop Guard 12-20
Displaying the Spanning-Tree Status 12-21
CHAPTER
13 Configuring VLANs 13-1
Understanding VLANs 13-1
Supported VLANs 13-2
VLAN Port Membership Modes 13-3
Configuring Normal-Range VLANs 13-4
Token Ring VLANs 13-5
Normal-Range VLAN Configuration Guidelines 13-5
VLAN Configuration Mode Options 13-6
VLAN Configuration in config-vlan Mode 13-6
VLAN Configuration in VLAN Configuration Mode 13-6
Saving VLAN Configuration 13-7
Default Ethernet VLAN Configuration 13-8
Creating or Modifying an Ethernet VLAN 13-8
Deleting a VLAN 13-10
Assigning Static-Access Ports to a VLAN 13-11
Configuring Extended-Range VLANs 13-12
Default VLAN Configuration 13-12
Extended-Range VLAN Configuration Guidelines 13-12
Creating an Extended-Range VLAN 13-13
Displaying VLANs 13-14
Configuring VLAN Trunks 13-15
Trunking Overview 13-15
802.1Q Configuration Considerations 13-16
Default Layer 2 Ethernet Interface VLAN Configuration 13-17
Configuring an Ethernet Interface as a Trunk Port 13-17
Interaction with Other Features 13-17
Configuring a Trunk Port 13-18
Defining the Allowed VLANs on a Trunk 13-19
Changing the Pruning-Eligible List 13-20
Configuring the Native VLAN for Untagged Traffic 13-20