3Com 5500-SI 2Configure in Ethernet port view., Enabling MSTP Configuration procedure You can enable MSTP in system view or Ethernet port view., Only when you enable MSTP on a switch, can MSTP configurations take effect.

Root Bridge Configuration 179
Configuration example
Configure Ethernet1/0/1 port to connect to point-to-point link.
1Configure 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
2Configure 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
Enabling MSTP Configuration procedure
You can enable MSTP in system view or Ethernet port view.
Only when you enable MSTP on a switch, can MSTP configurations take effect.
Table157 Enable MSTP in system view
Operation Command Description
Enter system view system-view -
Enable MSTP stp enable 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.
Table158 Enable MSTP in Ethernet port view
Operation Command Description
Enter system view system-view -
Enable MSTP stp enable Required
MSTP is disabled by default.
Enter Ethernet port view interface interface-type
interface-number
-
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.