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ARP Spoofing Prevention Settings, Port Security Entries

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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide Max Learning Address Specify the maximum number of port-security entries that can be learned by this VLAN. Tick the No Limit check box to have unlimited number of port security entries that can be learned by the VLAN. Click the Apply button to accept the changes made. Port Security Entries Users can remove an entry from the port security entries learned by the Switch and entered into the forwarding database. To view this window, click Security > Port Security > Port Security Entries as shown below: Figure 11-42 Port Security Entries window The fields that can be configured or displayed are described below: Parameter Description VLAN Name The VLAN Name of the entry in the forwarding database table that has been permanently learned by the Switch. VID List The VLAN ID of the entry in the forwarding database table that has been permanently learned by the Switch. Port List Enter the port number or list here to be used for the port security entry search. When All is selected, all the ports configured will be displayed. MAC Address The MAC address of the entry in the forwarding database table that has been permanently learned by the Switch. Lock Mode The type of MAC address in the forwarding database table. Click the Find button to locate a specific entry based on the information entered. Click the Clear button to clear all the entries based on the information entered. Click the Show All button to display all the existing entries. Click the Clear All button to remove all the entries listed. Click the Delete button to remove the specific entry. ARP Spoofing Prevention Settings The user can configure the spoofing prevention entry to prevent spoofing of MAC for the protected gateway. When an entry is created, those ARP packets whose sender IP matches the gateway IP of an entry, but either its sender MAC field or source MAC field does not match the gateway MAC of the entry will be dropped by the system. To view this window, click Security > ARP Spoofing Prevention Settings as shown below: 223

Section	Page
Table of Contents	3
Intended Readers	6
Typographical Conventions	6
Notes, Notices and Cautions	6
Section 1 Web-based Switch Configuration	7
Chapter 1 Introduction	7
Chapter 2 Login to the Web Manager	7
Chapter 3 Web-based User Interface	8
Areas of the User Interface	8
Chapter 4 Web Pages	9
Section 2 LAN	11
Chapter 1 System Configuration	11
Device Information	11
System Information Settings	12
Port Configuration	12
PoE	16
Serial Port Settings	19
Warning Temperature Settings	19
System Log Configuration	20
Time Range Settings	23
Port Group Settings	24
Time Settings	24
User Accounts Settings	25
Command Logging Settings	26
Chapter 2 Management	27
ARP	27
Gratuitous ARP	28
IPv6 Neighbor Settings	30
IP Interface	31
Management Settings	35
Session Table	36
Single IP Management	37
SNMP Settings	46
Telnet Settings	55
Web Settings	55
Chapter 3 L2 Features	56
VLAN	56
QinQ	74
Spanning Tree	77
Link Aggregation	84
FDB	87
L2 Multicast Control	91
Multicast Filtering	113
ERPS Settings	118
LLDP	121
NLB FDB Settings	130
Chapter 4 L3 Features	131
IPv4 Static/Default Route Settings	131
IPv4 Route Table	132
IPv6 Static/Default Route Settings	132
IP Forwarding Table	133
VRRP	133
Chapter 5 QoS	138
802.1p Settings	139
Bandwidth Control	141
Traffic Control Settings	143
DSCP	145
HOL Blocking Prevention	147
Scheduling Settings	147
Chapter 6 ACL	150
ACL Configuration Wizard	150
Access Profile List	151
CPU Access Profile List	167
ACL Finder	181
ACL Flow Meter	181
Egress Access Profile List	184
Egress ACL Flow Meter	196
Chapter 7 Security	199
802.1X	199
RADIUS	211
IP-MAC-Port Binding (IMPB)	215
MAC-based Access Control (MAC)	220
Compound Authentication	223
Port Security	226
ARP Spoofing Prevention Settings	228
BPDU Attack Protection	229
Loopback Detection Settings	230
Traffic Segmentation Settings	231
NetBIOS Filtering Settings	232
DHCP Server Screening	233
Access Authentication Control	235
SSL Settings	243
SSH	245
Trusted Host Settings	249
Safeguard Engine Settings	249
Captive Portal (CP)	251
Chapter 8 Network Application	271
DHCP	271
SNTP	277
Flash File System Settings	279
Chapter 9 OAM	281
CFM	281
Ethernet OAM	291
Cable Diagnostics	295
Chapter 10 Monitoring	297
Utilization	297
Statistics	298
Received (RX)	299
UMB_Cast (RX)	300
Transmitted (TX)	302
Received (RX)	303
Transmitted (TX)	305
Mirror	308
sFlow	310
Ping Test	313
Trace Route	314
Peripheral	315
Chapter 11 Save and Tools	316
Section 3 WLAN	317
Chapter 1 Security	317
Captive Portal (CP)	317
Chapter 2 Monitoring	336
Global	336
Peer Switch	344
Access Point	347
Client	368
QoS	387
Chapter 3 Administration	395
Basic Setup	395
AP Management	407
Advanced Configuration	416
Chapter 4 QoS	443
Access Control Lists	443
Differentiated Services	456
Chapter 5 Network Visualization	462
Download Image	462
Launch…	462
Section 4 Save and Tools	465
Chapter 1 Save	465
Save Configuration / Log	465
Chapter 2 Tools	466
License Management	466
Download Firmware	466
Upload Firmware	467
Download Configuration	467
Upload Configuration	468
Upload Log File	469
Reset	470
Reboot System	471
Appendices	473
Appendix A Mitigating ARP Spoofing Attacks Using Packet Content ACL	473
Appendix B Password Recovery Procedure	479
Appendix C System Log Entries	480
Appendix D Trap Log Entries	491
Appendix E RADIUS Attributes Assignment	495

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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide

223

Max Learning

Address

Specify the maximum number of port-security entries that can be learned by this

VLAN. Tick the

No Limit

check box to have unlimited number of port security entries

that can be learned by the VLAN.

Click the

Apply

button to accept the changes made.

Port Security Entries

Users can remove an entry from the port security entries learned by the Switch and entered into the forwarding

database.

To view this window, click

Security > Port Security > Port Security Entries

as shown below:

Figure 11-42 Port Security Entries window

The fields that can be configured or displayed are described below:

Parameter

Description

VLAN Name

The VLAN Name of the entry in the forwarding database table that has been

permanently learned by the Switch.

VID List

The VLAN ID of the entry in the forwarding database table that has been permanently

learned by the Switch.

Port List

Enter the port number or list here to be used for the port security entry search. When

All

is selected, all the ports configured will be displayed.

MAC Address

The MAC address of the entry in the forwarding database table that has been

permanently learned by the Switch.

Lock Mode

The type of MAC address in the forwarding database table.

Click the

Find

button to locate a specific entry based on the information entered.

Click the

Clear

button to clear all the entries based on the information entered.

Click the

Show All

button to display all the existing entries.

Click the

Clear All

button to remove all the entries listed.

Click the

Delete

button to remove the specific entry.

ARP Spoofing Prevention Settings

The user can configure the spoofing prevention entry to prevent spoofing of MAC for the protected gateway. When

an entry is created, those ARP packets whose sender IP matches the gateway IP of an entry, but either its sender

MAC field or source MAC field does not match the gateway MAC of the entry will be dropped by the system.

To view this window, click

Security > ARP Spoofing Prevention Settings

as shown below: