Cisco Catalyst 2960 Series

Monitoring VLANs 2124
Configuration Examples 2126
Example: Creating a VLAN Name 2126
Example: Configuring a Port as Access Port 2127
Example: Creating an Extended-Range VLAN 2127
Where to Go Next 2127
Additional References 2127
Feature History and Information for VLAN 2128
CHAPTER 87 Configuring VLAN Trunks 2129
Finding Feature Information 2129
Prerequisites for VLAN Trunks 2129
Information About VLAN Trunks 2130
Trunking Overview 2130
Trunking Modes 2130
Layer 2 Interface Modes 2131
Allowed VLANs on a Trunk 2131
Load Sharing on Trunk Ports 2132
Network Load Sharing Using STP Priorities 2132
Network Load Sharing Using STP Path Cost 2132
Feature Interactions 2132
Default Layer 2 Ethernet Interface VLAN Configuration 2133
How to Configure VLAN Trunks 2133
Configuring an Ethernet Interface as a Trunk Port 2134
Configuring a Trunk Port 2134
Defining the Allowed VLANs on a Trunk 2136
Changing the Pruning-Eligible List 2138
Configuring the Native VLAN for Untagged Traffic 2139
Configuring Trunk Ports for Load Sharing 2141
Configuring Load Sharing Using STP Port Priorities 2141
Configuring Load Sharing Using STP Path Cost 2145
Configuration Examples for VLAN Trunking 2148
Example: Configuring a Trunk Port 2148
Example: Removing a VLAN from a Port 2149
Where to Go Next 2149
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
lxxv
Contents