3Com 3CR856-95 Network Router User Manual


 
4
LAN Settings 35
LAN IP Settings 35
DHCP Clients List 37
Internet Settings 38
Connection to ISP 39
Setting up NAT 43
Configuring the Firewall 45
The Virtual Servers Menu 45
PC Privileges 47
Special Applications 49
Advanced 52
Configuring VPNs 53
Setting the VPN Mode 53
Viewing VPN Connections 55
Editing IPSec Routes 60
Accessing the System Tools 61
Restart 61
Time Zone 62
Loading and Saving the Gateway Configuration 62
Upgrading the Firmware of your Gateway 63
Viewing Status and Logs 64
Obtaining Support and Feedback for your Gateway 65
Troubleshooting 67
Basic Connection Checks 67
Browsing to the Gateway Configuration Screens 67
Connecting to the Internet 68
Forgotten Password 68
Alert LED 69
Recovering from Corrupted Software 69
Frequently Asked Questions 70
Using Discovery 71
Running the Discovery Application 71
Windows Installation (95/98/2000/Me/NT) 71
IP Addressing 73
The Internet Protocol Suite 73
How does a Device Obtain an IP Address and Subnet Mask? 74
DHCP Addressing 74
Static Addressing 74
Auto-IP Addressing 75
Private IP Addresses 75
Technical Specifications 77
Interfaces 77
Operating Temperature 77
Power 77
Humidity 77
Dimensions 77
Weight 77
Standards 77
System Requirements 78
Operating Systems 78
Ethernet Performance 78
dua08 569-5aaa02.book Pag e 4 Thursday , Novem ber 7 , 2002 3:09 PM