Siemens S223, S323 user manual Forward Delay, Max Age

User Manual	UMN:CLI
SURPASS hiD 6615 S223/S323 R1.5

To clear configured hello-time, use the following command.

Command	Mode	Description
no stp mst hello-time		Returns to the default hello time value of STP, RSTP
		and MSTP.
	Bridge
no stp pvst hellow-time VLAN-		Returns to the default hello time value of PVSTP and
RANGE		PVRSTP.

8.3.9.2Forward Delay

It is possible to configure forward delay, which means time to take port status from listen- ing to forwarding. To configure forward delay, use the following command.

Command	Mode	Description
stp mst forward-delay <4-30>		Modifies forward-delay in STP, RSTP or MSTP, enter a
		delay time value. (default: 15)
	Bridge
stp pvst forward-delay		Modifies forward-delay in PVSTP and PVRSTP, enter a
VLAN-RANGE <4-30>		delay time value of VLAN. (default: 15)

To delete a configured forward delay, use the following command.

Command	Mode	Description
no stp mst forward-delay		Returns to the default value of STP, RSTP and MSTP.
	Bridge
no stp pvst forward-delay VLAN-		Returns to the default value of PVSTP and PVRSTP
RANGE		per VLAN.

8.3.9.3Max Age

Max age shows how long path message is valid. To configure max age to delete useless messages, use the following command.

Command	Mode	Description
stp mst max-age <6-40>		Configures max age of route message of STP, RSTP
		or MSTP, enter a max age time value. (default: 20)
	Bridge
stp pvst max-age VLAN-RANGE		Configures max age of route message of PVSTP,
		PVRSTP, enter a max age time value of VLAN. (de-
<6-40>
		fault: 20)

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It is recommended that max age is configured less than twice of forward delay and more than twice of hello time.

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