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DGS-3308TG
Инструкция по эксплуатации Страница: 96

D-Link DGS-3308TG Инструкция по эксплуатации онлайн [96/160] 40372

DGS-3224TGR Gigabit Ethernet Switch User’s Guide

Figure 6- 68. Port Security Settings window

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User s guide 1
Table of contents 3
Intended readers 7
Notes notices and cautions 7
Preface 7
Safety cautions 9
Safety instructions 9
General precautions for rack mountable products 10
Safety instructions continued 10
Safety instructions continued 11
Battery handling reminder 12
Protecting against electrostatic discharge 12
Features 13
Introduction 13
Performance features 13
Management 14
Installation 15
Unpacking 15
Unpacking and setup 15
Desktop or shelf installation 16
Rack installation 16
Power on 17
External redundant power system 18
Power failure 18
Front panel 19
Identifying external components 19
Rear panel 19
Led indicators 20
Side panels 20
Connecting the switch 21
Switch to end node 21
Switch to hub or switch 22
Diagnostic console port rs 232 dce 23
Local console management 23
Switch management and operating concepts 23
Ip addresses and snmp community names 24
Setting an ip address 24
Authentication 26
Filtering 26
Mac address aging time 26
Packet forwarding 26
Comparing port states 27
Edge port 27
P2p port 27
Port transition states 27
Spanning tree 27
W rapid spanning tree 27
D 802 w compatibility 28
Ieee 802 q vlans 28
Q vlan packet forwarding 29
Q vlan tags 30
Ingress filtering 31
Port vlan id 31
Tagging and untagging 31
X port based and mac based access control 32
Authentication server 33
Authenticator 33
Client 34
Authentication process 35
Port based network access control 35
Dgs 3224tgr gigabit ethernet switch user s guide 36
Ethernet switch 36
Figure 5 10 example of typical port based configuration 36
Network access controlled port 36
Network access uncontrolled port 36
Once the connected client has successfully been authenticated the port then becomes authorized and all subsequent traffic on the port is not subject to access control restriction until an event occurs that causes the port to become unauthorized hence if the port is actually connected to a shared media lan segment with more than one attached device successfully authenticating one of the attached devices effectively provides access to the lan for all devices on the shared segment clearly the security offered in this situation is open to attack 36
Radius server 36
Dgs 3224tgr gigabit ethernet switch user s guide 37
Dynamic address allocation enables a client to be assigned an ip address from a pool of free addresses each address is assigned with a lease and a lease expiration period the client must renew the lease to continue using the assigned address dynamically assigned addresses can be returned to the free address pool if the computer is not being used if it is moved to another subnet of if its lease expires usually network policy ensures that the same ip address is assigned to a client each time and that addresses returned to the free address pool are reassigned 37
Ethernet switch 37
Figure 5 11 example of typical mac based configuration 37
In order to successfully make use of 802 x in a shared media lan segment it would be necessary to create virtual ports one for each attached device that required access to the lan the switch would regard the single physical port connecting it to the shared media segment as consisting of a number of distinct virtual ports each virtual port being independently controlled from the point of view of eapol exchanges and authorization state the switch learns each attached device s individual mac address and effectively creates a virtual port that the attached device can then use to communicate with the lan via the switch 37
Mac based network access control 37
Network access controlled port 37
Network access uncontrolled port 37
Radius server 37
The dynamic host configuration protocol dhcp can reduce the administrative burden of assigning and maintaining ip address information dhcp provides reliable and simple tcp ip network configuration ensures that address conflicts do not occur and helps to conserve the use of ip addresses through the centralized management of address allocation 37
When the address lease expires the dhcp client enters the renewing state the client sends a request message to the dhcp server that provided the address the dhcp server sends an acknowledgement that contains the new lease and configuration parameters the client then updates its configuration values and returns to the bound state 37
Getting started 39
Introduction 39
Web based network management 39
Basic setup 43
Switch information 43
Basic switch setup 45
Serial port settings 46
Port configurations 47
Port description settings 49
Traffic segmentation table 50
User accounts 51
User accounts add 52
User accounts edit 52
Snmp network management 53
Snmp v3 53
Snmp view table 53
Snmp community table 54
Snmp host table 55
Snmp group table 56
Engine id 58
Snmp user table 58
Download firmware from tftp server 60
Management station ip addresses 60
Switch utilities 60
Tftp services 60
Download configuration from tftp server 61
Upload history log to tftp server 62
Upload settings to tftp server 62
Ping test 63
Cpu utilization 64
Network monitoring 64
Statistics 64
Port error packets 65
Port utilization 65
Port packet analysis 66
Address tables 67
Mac address table 68
Arp table 69
Gvrp status 69
Status 69
Igmp snooping group table 70
Router ports 70
Switch history 71
Factory reset 72
Save changes 72
Advanced setup 73
Logout 73
Restart system 73
Spanning tree 74
Switch advanced settings 74
Stp switch settings 75
Stp port settings 76
Forwarding 77
Mac address aging time 77
Unicast mac address settings 78
Multicast mac address settings 79
Broadcast multicast storm control 80
Configure qos 81
Qos output scheduling 82
P default priority 83
Bandwidth control table 84
P user priority 84
Access profile mask setting 85
Port security 95
Port mirroring configurations 98
Asymmetric vlan state 99
Switch gvrp 99
Vlan configurations 99
Q vlans 100
Q port settings 102
Link aggregation 103
Link aggregation algorithm 103
Link aggregation group 103
Lacp port settings 105
X state 107
X auth mode settings 108
X port settings 108
X port auth state 112
X initialize reauthenticate ports 113
Radius server settings 114
X local user settings 115
X auth diagnostics 116
X auth statistics 117
X auth session statistics 118
Tacacs 119
Tacacs state configuration 119
X accounting client 119
X auth client 119
Tacacs server settings 120
Tacacs group 121
Tacacs group settings 121
Tacacs method list 122
Authentication 123
Enable admin 123
System log 124
System log host 124
System log state 124
Igmp snooping global 126
Multicast configuration 126
Igmp snooping configurations 127
Ssh management 128
Static router port settings 128
Ssh configurations 129
Ssh account configuration 130
Download certificate 131
Ssl management 131
Cipher suite configuration 132
Ssl v3 configuration 133
Tls v1 configuration 134
Sim settings 135
Single ip management 135
Sim using the web interface 136
Topology 138
Tool tips 140
Group icon 141
Right click 141
Commander switch icon 142
Member switch icon 143
Candidate switch icon 144
Menu bar 145
Device 146
Configuration backup restore 147
Firmware upgrade 147
Performance 148
Physical and environmental 148
Technical specifications 148
General 149
Cable lengths 150
Glossary 151
All countries and regions excluding usa 154
Dgs 3224tgr gigabit ethernet switch user s guide 154
Limitation of liability 154
Warranties exclusive 154
Warranty and registration information 154
Wichtige sicherheitshinweise 154
Dgs 3224tgr gigabit ethernet switch user s guide 155
Hardware 155
Limited warranty 155
Software 155
For detailed warranty information applicable to products purchased outside the united states please contact the corresponding local d link office 157
All countries and regions excluding usa 159
Registration card 159

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