Brocade Communications Systems 53-1001761-01 manual Default STP, RSTP, and Mstp configuration

5 Default STP, RSTP, and MSTP configuration

Default STP, RSTP, and MSTP configuration

Table 8 lists the default STP, RSTP, and MSTP configuration.

TABLE 8	Default STP, RSTP, and MSTP configuration
Parameter		Default setting
Spanning-tree mode		By default, STP, RSTP, and MSTP are disabled
Bridge priority		32768
Bridge forward delay		15 seconds
Bridge maximum aging time		20 seconds
Error disable timeout timer		Disabled
Error disable timeout interval		300 seconds
Port-channel path cost		Standard
Bridge hello time		2 seconds
Flush MAC addresses from the VLAN FDB		Enabled

Table 9 lists the switch defaults that apply only to MSTP configurations.

TABLE 9	Default MSTP configuration
Parameter		Default setting
Cisco interoperability		Disabled
Switch priority (when mapping a VLAN to an		32768
MSTP instance)
Maximum hops		20 hops
Revision number		0

Table 10 lists the switch defaults for the 10-Gigabit Ethernet CEE interface-specific configuration.

TABLE 10	Default 10-Gigabit Ethernet CEE interface-specific configuration
Parameter		Default setting
Spanning tree		Disabled on the interface
Automatic edge detection		Disabled
Path cost		2000
Edge port		Disabled
Guard root		Disabled
Hello time		2 seconds
Link type		Point-to-point
Port fast		Disabled
Port priority		128
CEE interface root port		Allow the CEE interface to become a root port.
CEE interface BPDU restriction		Restriction is disabled

50	Converged Enhanced Ethernet Administrator’s Guide
	53-1001761-01