network because only the Dell Networking OS could recognize the significance of the destination MAC
address and rewrite it to the original Bridge Group Address. In the Dell Networking OS version 8.2.1.0 and
later, the L2PT MAC address is user-configurable, so you can specify an address that non-Dell
Networking systems can recognize and rewrite the address at egress edge.
Figure 116. 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.
Service Provider Bridging
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