3Com 4210 PWR Configuration Manual page 178

176 C 14: MSTP C
HAPTER
Configuring Loop Guard
Configuring TC-BPDU
Attack Guard
ONFIGURATION
<4210> system-view
[4210] interface Ethernet1/0/1
[4210-Ethernet1/0/1] stp root-protection
Configuration procedure
Table 133 Configure loop guard
Operation
Enter system view
Enter Ethernet port view
Enable the loop guard
function on the current port
Configuration example
# Enable the loop guard function on Ethernet 1/0/1.
<4210> system-view
[4210] interface Ethernet1/0/1
[4210-Ethernet1/0/1] stp loop-protection
Configuration prerequisites
MSTP runs normally on the switch.
Configuration procedure
Table 134 Configure the TC-BPDU attack guard function
Operation
Enter system view
Enable the TC-BPDU attack
guard function
Set the maximum times that a
switch can remove the MAC
address table within each 10
seconds
Configuration example
# Enable the TC-BPDU attack guard function
<4210> system-view
[4210] stp tc-protection enable
# Set the maximum times for the switch to remove the MAC address table within
10 seconds to 5.
<4210> system-view
[4210] stp tc-protection threshold 5
Command
system-view
interface interface-type
interface-number
stp loop-protection
Command
system-view
stp tc-protection enable
stp tc-protection threshold
number
Description
-
-
Required
The loop guard function is
disabled by default.
Description
-
Required
The TC-BPDU attack guard
function is disabled by
default.
Optional