Dell S5148F-ON OS10 Enterprise Edition User Guide Release 10.3.2E-R2 - Page 152

Usage Information Example BPDU guard prevents a port from receiving BPDUs. If the port receives a BPDU, it is placed in the Error-Disabled state as a protective measure. OS10(conf-if-eth1/1/4)# spanning-tree bpduguard enable Supported Releases 10.2.0E or later spanning-tree guard Enables or disables loop guard or root guard on an interface. Syntax spanning-tree guard {loop | root | none} Parameters • loop - Enables loop guard on an interface. • root - Enables root guard on an interface. • none - Sets the guard mode to none. Default Usage Information Command Mode Example Not configured Root guard and loop guard configurations are mutually exclusive. Configuring one overwrites the other from the active configuration. INTERFACE OS10(conf-if-eth1/1/4)# spanning-tree guard root Supported Releases 10.2.0E or later spanning-tree mode Enables an STP type (RSTP, Rapid-PVST+, or MST). Syntax Parameters spanning-tree mode {rstp | mst | rapid-pvst} • rstp - Sets the STP mode to RSTP. • mst - Sets the STP mode to MST. • rapid-pvst - Sets the STP mode to RPVST+. Default Command Mode Usage Information Example (RSTP) RPVST+ CONFIGURATION All STP instances are stopped in the previous STP mode, and are restarted in the new mode. You can also change to RSTP/MST mode. OS10(config)# spanning-tree mode rstp Example (MST) OS10(config)# spanning-tree mode mst Supported Releases 10.2.0E or later 152 Layer 2