API Guide

Table Of Contents
Figure 113. VLAN Stacking with L2PT
Implementation Information
L2PT is available for STP, RSTP, MSTP, and PVST+ BPDUs.
No protocol packets are tunneled when you enable VLAN stacking.
L2PT requires the default CAM profile.
Enabling Layer 2 Protocol Tunneling
To enable Layer 2 protocol tunneling, use the following command.
1. Verify that the system is running the default CAM profile. Use this CAM profile for L2PT.
EXEC Privilege mode
show cam-profile
2. Enable protocol tunneling globally on the system.
CONFIGURATION mode
protocol-tunnel enable
3. Tunnel BPDUs the VLAN.
Service Provider Bridging
777