D-Link xStack DGS-3120 Series Reference Guide

xStack® DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch Web UI Reference Guide
369
To view this window, click Security > BPDU Attack Protection as shown below:
Figure 8-63 BPDU Attack Protection window
The fields that can be configured are described below:
Parameter Description
BPDU Attack
Protection State
Click the radio buttons to enable or disable the BPDU Attack Protection state.
Trap State Specify when a trap will be sent. Options to choose from are None, Attack
Detected, Attack Cleared or Both.
Log State Specify when a log entry will be sent. Options to choose from are None, Attack
Detected, Attack Cleared or Both.
Recover Time (60-
1000000)
Specify the BPDU protection Auto-Recovery timer. The default value of the recovery
timer is 60. Tick the Infinite check box so that the port will not recovered
automatically.
Unit
Select the unit you want to configure. (EI and SI Mode Only)
From Port / To Port
Select a range of ports to use for this configuration.
State
Use the drop-down menu to enable or disable the protection mode for a specific
port.
Mode
Specify the BPDU protection mode. The default mode is shutdown.
Drop – Drop all received BPDU packets when the port enters under attack state.
Block – Drop all packets (include BPDU and normal packets) when the port enters
under attack state.
Shutdown – Shut down the port when the port enters under attack state.
Click the Apply button to accept the changes made for each individual section.

D-Link xStack DGS-3120 Series Specifications

General

MAC Address Table	16K entries
Ports	10/100/1000BASE-T ports
VLANs	4094
Jumbo Frame	Up to 9KB
Power Supply	Internal power supply (depending on model)
Power over Ethernet (PoE)	No
Layer 3 Features	RIP
Quality of Service (QoS)	8 queues per port, DiffServ
Security Features	ACLs
Management	Web-based, CLI, SNMP
Operating Temperature	0°C to 40°C
Storage Temperature	-40°C to 70°C
SFP Ports	Combo 10/100/1000BASE-T/SFP ports and/or dedicated SFP/SFP+ ports (depending on model)