Dell PowerEdge M520 Dell Converged Enhanced Ethernet Administrator's Guide - Page 68

6 Default STP, RSTP, and MSTP configuration Default STP, RSTP, and MSTP configuration Table 9 lists the default STP, RSTP, and MSTP configuration. TABLE 9 Default STP, RSTP, and MSTP configuration Parameter Default setting Spanning-tree mode Bridge priority Bridge forward delay Bridge maximum aging time Error disable timeout timer Error disable timeout interval Port-channel path cost Bridge hello time Flush MAC addresses from the VLAN FDB By default, STP, RSTP, and MSTP are disabled 32768 15 seconds 20 seconds Disabled 300 seconds Standard 2 seconds Enabled Table 10 lists the switch defaults that apply only to MSTP configurations. TABLE 10 Default MSTP configuration Parameter Default setting Cisco interoperability Switch priority (when mapping a VLAN to an MSTP instance) Maximum hops Revision number Disabled 32768 20 hops 0 Table 11 lists the switch defaults for the 10-Gigabit Ethernet CEE interface-specific configuration. TABLE 11 Default 10-Gigabit Ethernet CEE interface-specific configuration Parameter Default setting Spanning tree Automatic edge detection Path cost Edge port Guard root Hello time Link type Port fast Port priority CEE interface root port CEE interface BPDU restriction Disabled on the interface Disabled 2000 Disabled Disabled 2 seconds Point-to-point Disabled 128 Allow the CEE interface to become a root port. Restriction is disabled 50 Dell Converged Enhanced Ethernet Administrator's Guide 53-1002116-01