3com 5500-SI Manual De Usuario

Root Bridge Configuration 179

Configure Ethernet1/0/1 port to connect to point-to-point link.

1 Configure in system view.

<S5500> system-view

System View: return to User View with Ctrl+Z.

[S5500] stp interface ethernet1/0/1 point-to-point force-true

2 Configure in Ethernet port view.

<S5500> system-view

System View: return to User View with Ctrl+Z.

[S5500] interface ethernet1/0/1

[S5500-Ethernet1/0/1] stp point-to-point force-true

You can enable MSTP in system view or Ethernet port view.

Only when you enable MSTP on a switch, can MSTP configurations take effect.

Table 157   Enable MSTP in system view

Enter system view

-

Enable MSTP

Required
MSTP is disabled by default.

Disable MSTP on some 
ports

stp interface interface-list 
disable

Optional
By default, MSTP is enabled on all ports 
after you enable MSTP in system view.

You can disable MSTP on certain 
Ethernet ports to prevent them from 
participating in spanning tree 
calculation, saving switch CPU 
utilization.

Table 158   Enable MSTP in Ethernet port view

Enter system view

system-view

-

Enable MSTP

stp enable 

Required
MSTP is disabled by default.

Enter Ethernet port view interface interface-type 

-

Disable MSTP on the 
port

stp disable

Optional
By default, MSTP is enabled on all ports 
after you enable MSTP in system view.

You can disable MSTP on certain 
Ethernet ports to prevent them from 
participating in spanning tree 
calculation, saving switch CPU 
utilization.