3com 3CRUS2475 Manuale Utente

C

HAPTER

 15: S

PANNING

-T

REE

 C

OMMANDS

When configuring the hello time, the following relationship should be 
kept:

Max-Age >= 2*(Hello-Time + 1)

The following example configures spanning tree bridge hello time to 5 
seconds.

The spanning-tree max-age Global Configuration mode command 
configures the spanning tree bridge maximum age. To restore the default 
configuration, use the no form of this command.

spanning-tree max-age seconds

no spanning-tree max-age

■

seconds — Time in seconds. (Range: 6-40)

The default maximum age for IEEE Spanning Tree Protocol (STP) is 20 
seconds.

Global Configuration mode

When configuring the maximum age, the following relationships should 
be kept:

2*(Forward-Time - 1) >= Max-Age

Max-Age >= 2*(Hello-Time + 1)

Console(config)# spanning-tree hello-time 5