Dell S6000 FTOS 9.0(2.0) Command Line Reference Guide for the System - Page 937

46 VLAN Stacking Overview With the VLAN-Stacking feature (also called Stackable VLANs and QinQ), available on all Dell Networking that are supported by this version of FTOS, you can "stack" VLANs into one tunnel and switch them through the network transparently. The symbols s z under command headings indicate which Dell Networking - S6000 , S-Series, or Z-Series, respectively - support the command. Commands The commands included are: • dei enable • dei honor • dei mark • member • show interface dei-honor • show interface dei-mark • stack-unit stack-group • vlan-stack access • vlan-stack compatible • vlan-stack dot1p-mapping • vlan-stack protocol-type • vlan-stack trunk For information on basic VLAN commands, see Virtual LAN (VLAN) Commands in the chapter Layer 2. Important Points to Remember • If Spanning Tree Protocol (STP) is not enabled across the Stackable VLAN network, STP BPDUs from the customer's networks are tunneled across the Stackable VLAN network. • If STP is enabled across the Stackable VLAN network, STP BPDUs from the customer's networks are consumed and not tunneled across the Stackable VLAN network unless protocol tunneling is enabled. Note: For details on protocol tunneling, see Chapter 40, Service Provider Bridging. VLAN Stacking | 937