3Com 4200G 12-Port Configuration Manual page 152

138 C 20: MSTP C
HAPTER
BPDU Protection
Configuration
Root Protection
Configuration
Loop Prevention
Configuration
ONFIGURATION
Configuration procedure
Table 111 Enable the BPDU protection function
Operation
Enter system view
Enable the BPDU
protection function
Configuration example
Enable the BPDU protection function.
<S4200G> system-view
System View: return to User View with Ctrl+Z.
[4200G] stp bpdu-protection
Enabling the root protection function in system view
Table 112 Enable the root protection function in system view
Operation
Enter system view
Enable the root
protection function on
specified ports
Enabling the root protection function in Ethernet port view
Table 113 Enable the root protection function in Ethernet port view
Operation
Enter system view
Enter Ethernet port
view
Enable the root
protection function on
current port
Configuration example
Enable the root protection function on GigabitEthernet1/0/1 port.
Configure in system view.
■
<S4200G> system-view
System View: return to User View with Ctrl+Z.
[4200G] stp interface GigabitEthernet1/0/1 root-protection
Configure in Ethernet port view.
■
<S4200G> system-view
System View: return to User View with Ctrl+Z.
[4200G] interface GigabitEthernet1/0/1
[4200G-GigabitEthernet1/0/1] stp root-protection
You can configure the loop prevention function in the following two ways.
Command
system-view
stp bpdu-protection
Command
system-view
stp interface interface-list
root-protection
Command
system-view
Interface interface-type
interface-number
stp root-protection
Description
—
Required
The BPDU protection function is
disabled by default.
Description
—
Required
The root protection function is
disabled by default.
Description
—
—
Required
The root protection function is
disabled by default.