D-Link DGS-3426 User Manual Page 157
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xStack DGS-3400 Series Fast Ethernet Switch
Port Security
A given ports’ (or a range of ports')
dynamic MAC address learning can be
locked such that the current source MAC
addresses entered into the MAC address
forwarding table can not be changed once
the port lock is enabled. The port can be
locked by using the Admin State pull-
down menu to Enabled, and clicking
Apply.
Port Security is a security feature tha
t
p
revents unauthorized computers (with
source MAC addresses) unknown to the
Switch prior to locking the port (or ports)
from connecting to the Switch's locke
d
p
orts and gaining access to the network. To
view the following window, click Securit
y
> Port Security.
Figure 8- 2. Port Security Settings and Table
The following parameters can be set:
Parameter Description
From/To
A consecutive group of ports may be configured starting with the selected
port.
Admin State
This pull-down menu allows the user to enable or disable Port Security
(locked MAC address table for the selected ports).
Max. Learning Addr. (0-16)
The number of MAC addresses that will be in the MAC address forwarding
table for the selected switch and group of ports.
Mode
This pull-down menu allows the option of how the MAC address table locking
will be implemented on the Switch, for the selected group of ports. The
options are:
Permanent – The locked addresses will only age out after the Switch has
been reset.
DeleteOnTimeout – The locked addresses will age out after the aging timer
expires.
DeleteOnReset – The locked addresses will not age out until the Switch has
been reset or rebooted.
Click Apply to implement changes made.
146
- User Manual 1
- Table of Contents 3
- Intended Readers 8
- Notes, Notices, and Cautions 8
- Safety Instructions 9
- Introduction 12
- Features 13
- DGS-3426 14
- DGS-3427 14
- DGS-3450 14
- Front-Panel Components 15
- LED Indicators 16
- Rear Panel Description 18
- Side Panel Description 19
- Installation 20
- Power On 22
- Installing the SFP ports 23
- The Optional Module 24
- Install the Module 25
- Connecting the Switch 28
- Section 4 29
- Figure 4- 3. Command Prompt 32
- Password Protection 33
- SNMP Settings 34
- IP Address Assignment 35
- Section 5 37
- Web-based User Interface 39
- Web Pages 40
- Configuring the Switch 41
- Parameter Description 43
- IP Address 44
- Parameter Parameter 45
- Port Configuration 46
- Port Description 47
- User Accounts 48
- Port Mirroring 49
- System Log Host 50
- System Severity Settings 52
- SNTP Settings 53
- Time Zone and DST 54
- Minutes 55
- 30, 60, 90, or 120 minutes 55
- Mean Time (GMT.) 55
- MAC Notification Settings 56
- TFTP Services 57
- Multiple Image Services 58
- Ping Test 59
- Safeguard Engine 59
- Safeguard Engine Status 60
- Static ARP Settings 62
- Static IPv6 ARP Settings 63
- Routing Table 64
- Static IPv6 Route Settings 66
- SNMP User Table 69
- SNMP View Table 70
- SNMP Group Table 71
- SNMP Host Table 75
- SNMP Engine ID 76
- IP-MAC Binding 77
- IP-MAC Binding Table 78
- IP-MAC Binding Blocked 78
- SIM Using the Web Interface 81
- Topology 82
- Figure 6- 50. Topology view 83
- Tool Tips 84
- Right Click 85
- Group Icon 85
- Commander Switch Icon 86
- Member Switch Icon 86
- Candidate Switch Icon 87
- Menu Bar 88
- Layer 2 Features 91
- IEEE 802.1Q VLANs 92
- 802.1Q VLAN Tags 93
- Port VLAN ID 94
- Tagging and Untagging 94
- Ingress Filtering 95
- Default VLANs 95
- Static VLAN Entry 96
- GVRP Setting 99
- Parameter Description 100
- Trunking 101
- Link Aggregation 102
- LACP Port Setting 104
- IGMP Snooping 105
- Static Router Ports Entry 106
- Spanning Tree 108
- P2P Port 109
- Edge Port 109
- STP Bridge Global Settings 110
- MSTP Port Information 116
- STP Instance Settings 117
- STP Port Settings 118
- Forwarding & Filtering 120
- Multicast Filtering Mode 121
- The Advantages of QoS 123
- Understanding QoS 124
- Bandwidth Control 125
- QoS Scheduling Mechanism 126
- QoS Output Scheduling 127
- 802.1p Default Priority 129
- 802.1p User Priority 130
- Access Profile Table 131
- CPU Interface Filtering 142
- Security 153
- Traffic Control 154
- Port Security 157
- Port Lock Entries 158
- RADIUS Server 161
- Trusted Host 162
- Authentication Server Group 165
- Authentication Server Host 166
- Login Method Lists 167
- Enable Method Lists 169
- Local Enable Password 171
- Enable Admin 171
- Traffic Segmentation 172
- Secure Socket Layer (SSL) 173
- SSL Configuration 174
- Secure Shell (SSH) 176
- SSH Algorithm 177
- SSH User Authentication Mode 179
- Save, Reset and Reboot 180
- Reboot System 181
- Monitoring 182
- Device Status 183
- Module Information 183
- CPU Utilization 184
- Port Utilization 185
- Packets Statistics 186
- UMB Cast (RX) 187
- Packet Errors 188
- Transmitted (TX) 190
- Packet Size 191
- Browse Router Port 192
- VLAN Status 192
- MAC Address Table 193
- Switch History Log 194
- IGMP Snooping Group 195
- RADIUS Account Client 196
- RADIUS Auth Client 198
- Browse ARP Table 200
- Technical Specifications 201
- Physical and Environmental 202
- Appendix B 203
- Appendix C 204
- Glossary 205
- Warrenties/Registration 207
- FCC Warning 209
- Warranty beneficiary 214
- Technical Support 217
- Asia and Korea: 218
- Sub Sahara Region: 222
- Техническая поддержка 224
- Asistencia Técnica 225
- Suporte Técnico 226
- Technische Unterstützung 230
- Assistance technique 231
- Supporto tecnico 233
- Pomoc techniczna 235
- Technická podpora 236
- Technikai Támogatás 237
- D-Link Magyarország 237
- Teknisk Support 238
- Teknisk Support: 238
- Teknistä tukea asiakkaille 241
- Suomessa: 241
- Intenational Offices 244
- Registration Card 245
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