Enable Layer 2 Protocol Tunneling; Implementation Information - Dell Force10 S4810P Configuration Manual

Figure 44-14. VLAN Stacking with L2PT
Building A

Implementation Information

• L2PT is available for STP, RSTP, MSTP, and PVST+ BPDUs.
• No protocol packets are tunneled when VLAN Stacking is enabled.
• L2PT requires the default CAM profile.

Enable Layer 2 Protocol Tunneling

Step Task
1 Verify that the system is running the default CAM profile;
you must use this CAM profile for L2PT.
2 Enable protocol tunneling globally on the system.
3 Tunnel BPDUs the VLAN.
no spanning-tree
BPDU w/ destination
MAC address: 01-01-e8-00-00-00
R1-E-Series
BPDU w/ destination
MAC address: 01-80-C2-00-00-00
Building B
R2
R3
Non-Dell Force10
Non-Dell Force10
System
System
Command Syntax
show cam-profile
protocol-tunnel enable
protocol-tunnel stp
BPDU w/ destination
MAC address: 01-80-C2-00-00-00
no spanning-tree
Command Mode
EXEC Privilege
CONFIGURATION
INTERFACE
VLAN
Service Provider Bridging | 931