Справочник Пользователя для TP-LINK TL-SG2008
71
Figure 7-10 Port Protect
The following entries are displayed on this screen:
¾
Port Protect
Port Select:
Click the Select button to quick-select the corresponding port based
on the port number you entered.
on the port number you entered.
Select:
Select the desired port for port protect configuration. It is
multi-optional.
multi-optional.
Port:
Displays the port number of the switch.
Loop Protect:
Loop Protect is to prevent the loops in the network brought by
recalculating STP because of link failures and network congestions.
recalculating STP because of link failures and network congestions.
Root Protect:
Root Protect is to prevent wrong network topology change caused by
the role change of the current legal root bridge.
the role change of the current legal root bridge.
TC Protect:
TC Protect is to prevent the decrease of the performance and
stability of the switch brought by continuously removing MAC
address entries upon receiving TC-BPDUs in the STP network.
stability of the switch brought by continuously removing MAC
address entries upon receiving TC-BPDUs in the STP network.
BPDU Protect:
BPDU Protect is to prevent the edge port from being attacked by
maliciously created BPDUs
maliciously created BPDUs
BPDU Filter:
BPDU Filter is to prevent BPDUs flood in the STP network.
LAG:
Displays the LAG number which the port belongs to.
7.4.2 TC Protect
When TC Protect is enabled for the port on Port Protect page, the TC threshold and TC protect
cycle need to be configured on this page.
cycle need to be configured on this page.
Choose the menu Spanning Tree→STP Security→TC Protect to load the following page.