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3Com 3CRWE554G72T User Guide - Page 110

Does the Router support virtual private networks VPNs? - weekly

UPC - 662705481685

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110 CHAPTER 6: TROUBLESHOOTING How many computers on the LAN does the Router support? A maximum of 253 computers on the LAN are supported. How many wireless clients does the Cable/DSL Router support? A maximum of 128 wireless clients are supported. There are only 4 LAN ports on the Router. How are additional computers connected? You can expand the number of connections available on your LAN by using hubs, switches and wireless access points connected to the Router. 3Com wireless access points and OfficeConnect hubs and switches provide a simple, reliable means of expanding your network; contact your supplier for more information, or visit: http://www.3com.com/ Does the Router support virtual private networks (VPNs)? The Router supports VPN passthrough, which allows VPN clients on the LAN to communicate with VPN hosts on the Internet. It is also possible to set up VPN hosts on your LAN that clients elsewhere on the Internet can connect to, but this is not a recommended configuration. Where can I download software updates for the Router? Updates to the Router software are posted on the 3Com support web site, accessible by visiting: http://www.3com.com What other online resources are there? The 3Com Knowledgebase at: http://knowledgebase.3com.com is a database of technical information covering all 3Com products. It is updated daily with information from 3Com technical support services, and it is available 24 hours a day, 7 days a week.

Section	Page
About This Guide	7
Naming Convention	7
Conventions	8
Feedback about this User Guide	8
Related Documentation	9
Introducing the Router	11
OfficeConnect Wireless 11g Cable/DSL Router	11
Router Advantages	13
Package Contents	13
Minimum System and Component Requirements	14
Front Panel	14
Rear Panel	16
Hardware Installation	19
Introduction	19
Safety Information	19
Positioning the Router	19
Using the Rubber Feet	20
Stacking the Router	20
Wall Mounting	20
Before you Install your Router	21
Powering Up the Router	22
Connecting the Router	22
Setting Up Your Computers	25
Obtaining an IP Address Automatically	25
Windows 2000	25
Windows XP	27
Windows 95/98/ME	27
Macintosh	27
Disabling PPPoE and PPTP Client Software	28
Disabling Web Proxy	28
Running the Setup Wizard	29
Accessing the Wizard	29
Password	32
Time Zone	33
WAN Settings	33
PPPoE Mode	34
Dynamic IP Address Mode	35
Static IP Mode	36
PPTP Mode	37
L2TP Mode	39
LAN Settings	40
DHCP	40
Wireless Settings	41
Summary	42
Router Configuration	45
Navigating Through the Router Configuration Pages	45
Main Menu	45
Option Tabs	46
Getting Help	46
Welcome Screen	46
Notice Board	46
Password	47
Changing the Administration Password	47
Wizard	48
LAN Settings	48
Unit Configuration	48
DHCP Clients List	49
Adding Fixed DHCP Mappings	50
Wireless Settings	51
Configuration	52
Channel Selection	52
Service Area Name/SSID	53
Enable Broadcast SSID	53
Device Name	53
Nitro Mode	54
Encryption	54
Configuring WPA Encryption	54
Using Enterprise Mode	55
Using Manual Pre-Shared Key	56
Using Pre-Shared Passphrase	57
Configuring WEP Encryption	57
Encryption Keys	58
Connection Control	60
Authorized Wireless PCs	61
Modifying a MAC Address	62
Deleting a MAC Address	62
Client List	62
WDS	63
Profile	64
Internet Settings	65
Connection to ISP	66
Static IP Address	67
Dynamic IP Address	68
PPP over Ethernet	69
PPTP	70
L2TP	72
Firewall	73
Virtual Servers	73
Virtual DMZ	73
Virtual Server	74
Special Applications	75
PC Privileges	77
URL Filter	80
Deny List	80
Allow List	81
Content Filter	83
SPI	84
Intrusion Detection Feature	85
Stateful Packet Inspection	86
Alert by E-mail	86
Connection Policy	86
DoS Detect Criteria	87
System Tools	87
Restart	88
Time Zone	88
Configuration	89
Backup Configuration	89
Restore Configuration Data	90
Reset to Factory Default	90
Upgrade	90
Advanced	91
Static Route	91
RIP	92
Setting Up RIP	92
Routing Table	94
DDNS	94
TZO.com	95
DynDNS.org	95
Security	96
Using Advanced Settings	96
Enabling Remote Administration	97
Status and Logs	98
Status	98
Usage	99
Logs	100
Support/Feedback	100
Support	100
Feedback	101
Troubleshooting	103
Basic Connection Checks	103
Browsing to the Router Configuration Screens	103
Connecting to the Internet	104
Forgotten Password and Reset to Factory Defaults	105
Wireless Networking	105
Replacement Power Adapters	107
Alert LED	108
Recovering from Corrupted Software	108
Frequently Asked Questions	109
Using Discovery	111
Running the Discovery Application	111
Windows Installation (95/98/2000/Me/NT)	111
IP Addressing	113
The Internet Protocol Suite	113
Managing the Router over the Network	113
IP Addresses and Subnet Masks	113
Type One	114
Type Two	114
How does a Device Obtain an IP Address and Subnet Mask?	115
DHCP Addressing	115
Static Addressing	115
Auto-IP Addressing	115
Technical Specifications	117
Wireless 11g Cable/DSL Router	117
Interfaces	117
WLAN Interfaces	117
Operating Temperature	118
Power	118
Humidity	118
Dimensions	118
Weight	118
Standards	118
System Requirements	119
Operating Systems	119
Ethernet Performance	119
Wireless Performance	119
Cable Specifications	119
Safety Information	121
Important Safety Information	121
Wichtige Sicherheitshinweise	122
Consignes importantes de sécurité	123
End User Software License Agreement	125
ISP Information	127
Information Regarding Popular ISPs	127
Glossary	129
Index	137
Regulatory Notices for the Wireless 11g Cable/DSL Router	139
Channels	139
FCC Statement	140
IMPORTANT NOTE: FCC Radiation Exposure Statement:	140
Information to the User	141
FCC Declaration of Conformity	141
CE Statement (Europe)	142
CSA Statement	142
BSMI Statement	142
FCC	142
RF Exposure Compliance Statement (U.S.)	142
Potential RF Interference (Canada)	143