pre-Version6.2.1.1Introduced on the E-Series.bpdu-destination-mac-addressUse the Provider Bridge Group address in Spanning Tree or GVRP PDUs.S4810Syntax bpdu-destination-mac-address [stp | gvrp] provider-bridge-groupParameters xstp Force STP, RSTP, and MSTP to use the Provider Bridge Groupaddress as the destination MAC address in its BPDUs.gvrp Forces GVRP to use the Provider Bridge GVRP Address as thedestination MAC address in its PDUs.Defaults The destination MAC address for BPDUs is the Bridge Group Address.CommandModesCONFIGURATIONCommandHistoryThis guide is platform-specific. For command information about other platforms,refer to the relevant Dell Networking OS Command Line Reference Guide.The following is a list of the Dell Networking OS version history for this command.Version 9.0.2.0 Introduced on the S6000.Version8.3.19.0Introduced on the S4820T.Version 8.3.11.1 Introduced on the S4810.Version 8.2.1.0 Introduced on the C-Series and S-Series.debug spanning-treeEnable debugging of the spanning tree protocol and view information on the protocol.S4810Syntax debug spanning-tree {stp-id [all | bpdu | config | events |exceptions | general | root] | protocol}To disable debugging, use the no debug spanning-tree command.1630 Spanning Tree Protocol (STP)