Contents
xiv
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
Trunking Overview 13-16
Encapsulation Types 13-18
IEEE 802.1Q Configuration Considerations 13-19
Default Layer 2 Ethernet Interface VLAN Configuratio n 13-19
Configuring an Ethernet Interface as a Trunk Port 13-19
Interaction with Other Features 13-20
Configuring a Trunk Port 13-20
Defining the Allowed VLANs on a Trunk 13-21
Changing the Pruning-Eligible List 13-22
Configuring the Native VLAN for Untagged Traffic 13-23
Configuring Trunk Ports for Load Sharing 13-24
Load Sharing Using STP Port Priorities 13-24
Load Sharing Using STP Path Cost 13-26
Configuring VMPS 13-28
Understanding VMPS 13-28
Dynamic-Access Port VLAN Membership 13-29
Default VMPS Client Configuration 13-29
VMPS Configuration Guidelines 13-29
Configuring the VMPS Client 13-30
Entering the IP Address of the VMPS 13-30
Configuring Dynamic-Access Ports on VMPS Clients 13-31
Reconfirming VLAN Memberships 13-31
Changing the Reconfirmation Interval 13-32
Changing the Retry Count 13-32
Monitoring the VMPS 13-33
Troubleshooting Dynamic-Access Port VLAN Membership 13-33
VMPS Configuration Example 13-33
CHAPTER
14 Configuring VTP 14-1
Understanding VTP 14-1
The VTP Domain 14-2
VTP Modes 14-3
VTP Advertisements 14-3
VTP Version 2 14-4
VTP Pruning 14-4
VTP and Switch Stacks 14-6