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Advertisement Period, Advertisement Time To Live, UPnP Portmap Table

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Reference Manual for the 54 Mbps Wireless Router WGR614 v6 Note: If you use applications such as multi-player gaming, peer-to-peer connections, real time communications such as instant messaging, or remote assistance (a feature in Windows XP), you should enable UPnP. Advertisement Period: The Advertisement Period is how often the router will broadcast its UPnP information. This value can range from 1 to 1440 minutes. The default period is 30 minutes. Shorter durations will ensure that control points have current device status at the expense of additional network traffic. Longer durations may compromise the freshness of the device status but can significantly reduce network traffic. Advertisement Time To Live: The time to live for the advertisement is measured in hops (steps) for each UPnP packet sent. The time to live hop count is the number of steps a broadcast packet is allowed to propagate for each UPnP advertisement before it disappears. The number of hops can range from 1 to 255. The default value for the advertisement time to live is 4 hops, which should be fine for most home networks. If you notice that some devices are not being updated or reached correctly, then it may be necessary to increase this value a little. UPnP Portmap Table: The UPnP Portmap Table displays the IP address of each UPnP device that is currently accessing the router and which ports (Internal and External) that device has opened. The UPnP Portmap Table also displays what type of port is opened and if that port is still active for each IP address. Advanced Configuration of the Router 202-10099-01, April 2005 6-19

Section	Page
Contents	5
Chapter 1 About This Manual	11
Audience, Scope, Conventions, and Formats	11
How to Use This Manual	12
How to Print this Manual	13
Chapter 2 Introduction	15
Key Features	15
802.11g Wireless Networking	16
A Powerful, True Firewall with Content Filtering	16
Security	17
Autosensing Ethernet Connections with Auto Uplink	17
Extensive Protocol Support	17
Easy Installation and Management	18
Maintenance and Support	19
Package Contents	19
The Router’s Front Panel	20
The Router’s Rear Panel	21
Chapter 3 Configuring the Internet and Wireless Settings	23
Initial Configuration	24
Logging Into Your Router	25
Changing Your Configuration	27
Internet Settings	27
Wireless Settings	31
Default Factory Settings	33
How to Bypass the Configuration Assistant	34
NETGEAR Product Registration, Support, and Documentation	34
Chapter 4 Content Filtering	35
Content Filtering Overview	35
Blocking Access to Internet Sites	36
Blocking Access to Internet Services	37
Configuring a User Defined Service	38
Configuring Services Blocking by IP Address Range	39
Scheduling When Blocking Will Be Enforced	39
Viewing Logs of Web Access or Attempted Web Access	40
Configuring E-Mail Alert and Web Access Log Notifications	41
Chapter 5 Maintenance	43
Viewing Wireless Router Status Information	43
Viewing a List of Attached Devices	47
Configuration File Management	47
Restoring and Backing Up the Configuration	48
Erasing the Configuration	49
Upgrading the Router Software	49
Changing the Administrator Password	50
Chapter 6 Advanced Configuration of the Router	53
Configuring Port Triggering	53
Configuring Port Forwarding to Local Servers	55
Adding a Custom Service	57
Editing or Deleting a Port Forwarding Entry	57
Local Web and FTP Server Example	58
Multiple Computers for Half Life, KALI or Quake III Example	58
Configuring the WAN Setup Options	59
Connect Automatically, as Required	59
Disabling the SPI Firewall	60
Setting Up a Default DMZ Server	60
Responding to Ping on Internet WAN Port	60
Setting the MTU Size	61
Using the LAN IP Setup Options	61
Configuring LAN TCP/IP Setup Parameters	62
Using the Router as a DHCP server	63
Using Address Reservation	64
Using a Dynamic DNS Service	65
Configuring Static Routes	66
Enabling Remote Management Access	68
Using Universal Plug and Play (UPnP)	70
Chapter 7 Troubleshooting	73
Basic Functioning	73
Power Light Not On	73
Lights Never Turn Off	74
LAN or WAN Port Lights Not On	74
Troubleshooting the Web Configuration Interface	75
Troubleshooting the ISP Connection	76
Troubleshooting a TCP/IP Network Using a Ping Utility	77
Testing the LAN Path to Your Router	77
Testing the Path from Your Computer to a Remote Device	78
Restoring the Default Configuration and Password	79
Problems with Date and Time	79
Appendix A Technical Specifications	81
Appendix B Network, Routing, Firewall, and Basics	83
Related Publications	83
Basic Router Concepts	83
What is a Router?	83
Routing Information Protocol	84
IP Addresses and the Internet	84
Netmask	86
Subnet Addressing	86
Private IP Addresses	89
Single IP Address Operation Using NAT	89
MAC Addresses and Address Resolution Protocol	90
Related Documents	91
Domain Name Server	91
IP Configuration by DHCP	92
Internet Security and Firewalls	92
What is a Firewall?	92
Stateful Packet Inspection	93
Denial of Service Attack	93
Ethernet Cabling	93
Category 5 Cable Quality	94
Inside Twisted Pair Cables	94
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	96
Appendix C Preparing Your Network	99
What You Need To Use a Router with a Broadband Modem	99
Cabling and Computer Hardware	99
Computer Network Configuration Requirements	99
Internet Configuration Requirements	100
Where Do I Get the Internet Configuration Parameters?	100
Record Your Internet Connection Information	101
Preparing Your Computers for TCP/IP Networking	101
Configuring Windows 95, 98, and Me for TCP/IP Networking	102
Install or Verify Windows Networking Components	102
Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me	104
Selecting Windows’ Internet Access Method	106
Verifying TCP/IP Properties	106
Configuring Windows NT4, 2000 or XP for IP Networking	107
Install or Verify Windows Networking Components	107
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4	108
DHCP Configuration of TCP/IP in Windows XP	108
DHCP Configuration of TCP/IP in Windows 2000	110
DHCP Configuration of TCP/IP in Windows NT4	113
Verifying TCP/IP Properties for Windows XP, 2000, and NT4	115
Configuring the Macintosh for TCP/IP Networking	116
MacOS 8.6 or 9.x	116
MacOS X	116
Verifying TCP/IP Properties for Macintosh Computers	117
Verifying the Readiness of Your Internet Account	118
Are Login Protocols Used?	118
What Is Your Configuration Information?	118
Obtaining ISP Configuration Information for Windows Computers	119
Obtaining ISP Configuration Information for Macintosh Computers	120
Restarting the Network	121
Appendix D Wireless Networking Basics	123
Wireless Networking Overview	123
Infrastructure Mode	123
Ad Hoc Mode (Peer-to-Peer Workgroup)	124
Network Name: Extended Service Set Identification (ESSID)	124
Authentication and WEP Data Encryption	124
802.11 Authentication	125
Open System Authentication	125
Shared Key Authentication	126
Overview of WEP Parameters	127
Key Size	128
WEP Configuration Options	129
Wireless Channels	129
WPA and WPA2 Wireless Security	130
How Does WPA Compare to WEP?	131
How Does WPA Compare to WPA2 (IEEE 802.11i)?	132
What are the Key Features of WPA and WPA2 Security?	132
WPA/WPA2 Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS	134
WPA/WPA2 Data Encryption Key Management	136
Is WPA/WPA2 Perfect?	138
Product Support for WPA/WPA2	138
Supporting a Mixture of WPA, WPA2, and WEP Wireless Clients is Discouraged	138
Changes to Wireless Access Points	139
Changes to Wireless Network Adapters	139
Changes to Wireless Client Programs	140

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Reference Manual for the 54 Mbps Wireless Router WGR614 v6

Advanced Configuration of the Router

6-19

202-10099-01, April 2005

Note:

If you use applications such as multi-player gaming, peer-to-peer connections, real time

communications such as instant messaging, or remote assistance (a feature in Windows XP), you

should enable UPnP.

Advertisement Period

: The Advertisement Period is how often the router will broadcast its UPnP

information. This value can range from 1 to 1440 minutes. The default period is 30 minutes.

Shorter durations will ensure that control points have current device status at the expense of

additional network traffic. Longer durations may compromise the freshness of the device status but

can significantly reduce network traffic.

Advertisement Time To Live

: The time to live for the advertisement is measured in hops (steps)

for each UPnP packet sent. The time to live hop count is the number of steps a broadcast packet is

allowed to propagate for each UPnP advertisement before it disappears. The number of hops can

range from 1 to 255. The default value for the advertisement time to live is 4 hops, which should

be fine for most home networks. If you notice that some devices are not being updated or reached

correctly, then it may be necessary to increase this value a little.

UPnP Portmap Table

: The UPnP Portmap Table displays the IP address of each UPnP device that

is currently accessing the router and which ports (Internal and External) that device has opened.

The UPnP Portmap Table also displays what type of port is opened and if that port is still active for

each IP address.