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Netgear AC1000-WiFi User Manual - Page 41

Change the MTU Size, The BASIC Home displays.

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AC1000 WiFi Router Model R6080 • You use VPN and experience severe performance problems. • You used a program to optimize MTU for performance reasons and now you are experiencing connectivity or performance problems. If you suspect an MTU problem, a common solution is to change the MTU to 1400. If you are willing to experiment, you can gradually reduce the MTU from the maximum value of 1500 until the problem goes away. The following table describes common MTU sizes and applications. Table 3. Common MTU sizes MTU 1500 1492 1472 1468 1458 1436 Application The largest Ethernet packet size. This setting is typical for connections that do not use PPPoE or VPN and is the default value for NETGEAR routers, adapters, and switches. Used in PPPoE environments. Maximum size to use for pinging. (Larger packets are fragmented.) Used in some DHCP environments. Used in PPPoA environments. Used in PPTP environments or with VPN. Change the MTU Size WARNING: An incorrect MTU setting can cause Internet communication problems. For example, you might not be able to access certain websites, frames within websites, secure login pages, or FTP or POP servers. Change the MTU only if you are sure that it is necessary for your ISP connection. To change the MTU size: 1. Launch a web browser from a computer or mobile device that is connected to the network. 2. Enter http://www.routerlogin.net. A login window opens. 3. Enter the router user name and password. The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home page displays. Specify Your Internet Settings 41 User Manual

Section	Page
Contents	3
1. Hardware Overview of the Router	8
Unpack Your Router	9
LED Descriptions	11
Ports, Buttons, and Connectors on the Back Panel	11
Router Label	13
Position the Router	13
Cable Your Router	14
2. Connect to the Network and Access the Router	16
Connect to the Router	17
Connect to the Router Through an Ethernet Cable	17
Join the WiFi Network of the Router	17
Manual Method	17
Wi-Fi Protected Setup Method	18
Types of Logins	19
Use a Web Browser to Access the Router	19
Automatic Internet Setup	19
Log In to the Router	21
Change the Language	21
3. Specify Your Internet Settings	22
Use the Internet Setup Wizard	23
Manually Set Up the Internet Connection	23
Specify an Internet Connection Without a Login	23
Specify an Internet Connection That Uses a Login and PPPoE Service	25
Specify an Internet Connection That Uses a Login and PPTP Service	27
Specify an Internet Connection That Uses a Login and L2TP Service	28
Specify an IPv6 Internet Connection	30
IPv6 Internet Connections and IPv6 Addresses	30
Use Auto Detect for an IPv6 Internet Connection	31
Use Auto Config for an IPv6 Internet Connection	32
Set Up an IPv6 6to4 Tunnel Internet Connection	34
Set Up an IPv6 Pass-Through Internet Connection	35
Set Up a Fixed IPv6 Internet Connection	36
Set Up an IPv6 DHCP Internet Connection	37
Set Up an IPv6 PPPoE Internet Connection	38
Manage the MTU Size	40
MTU Concepts	40
Change the MTU Size	41
4. Control Access to the Internet	43
Enable access control to allow or block access to the Internet	44
Manage network access control lists	45
Use Keywords to Block Internet Sites	46
Set Up Blocking	46
Remove a Keyword or Domain From the Blocked List	47
Remove All Keywords and Domains From the Blocked List	48
Specify a Trusted Computer	48
Set Up a Schedule for Keyword Blocking and Outbound Firewall Rules	49
5. Manage the Basic WiFi Network Settings	51
Manage the Basic WiFi Settings and WiFi Security of the Main Network	52
View or Change the Basic WiFi Settings and WiFi Security Settings	52
Configure WEP Legacy WiFi Security	59
Configure WPA/WPA2 Enterprise WiFi Security	61
Use WPS to Add a Device to the WiFi Network	63
Use WPS With the Push Button Method	63
Use WPS With the PIN Method	64
Manage the Basic WiFi Settings and WiFi Security of the Guest Network	65
Enable or Disable the WiFi Radios	69
6. Manage the WAN and LAN Network Settings	70
View or Change WAN Settings	71
Set Up a Default DMZ Server	72
Manage IGMP Proxying	73
Manage VPN Pass-Through	73
Manage NAT Filtering	74
Manage the SIP Application-Level Gateway	75
Manage the LAN IP Address Settings	76
Manage the Router Information Protocol Settings	77
Manage the DHCP Server Address Pool	78
Manage Reserved LAN IP Addresses	79
Reserve a LAN IP Address	79
Change a Reserved IP Address	80
Remove a Reserved IP Address Entry	80
Disable the Built-In DHCP Server	81
Change the Router’s Device Name	82
Set Up and Manage Custom Static Routes	83
Set Up a Static Route	83
Change a Static Route	85
Remove a Static Route	85
Set Up a Bridge for a Port Group or VLAN Tag Group	86
Set Up a Bridge for a Port Group	86
Set Up a Bridge for a VLAN Tag Group	87
Improve Network Connections With Universal Plug-N-Play	89
7. Manage the Router	91
Update the Firmware of the Router	92
Check for New Firmware and Update the Router	92
Manually Upload New Firmware and Update the Router	93
Change the admin Password	94
Set Up Password Recovery	95
Recover the admin Password	96
Manage the Configuration File of the Router	96
Back Up the Settings	96
Restore the Settings	97
Return the Router to Its Factory Default Settings	98
Use the Reset Button	98
Erase the Settings	99
View the Status and Statistics of the Router	100
View Information About the Router and the Internet and WiFi Settings	100
Display Internet Port Statistics	101
Check the Internet Connection Status	102
Manage the Activity Log	103
View, Email, or Clear the Logs	103
Specify Which Activities Are Logged	104
View Devices Currently on the Network	104
8. Manage the Advanced WiFi Features	106
Set Up a WiFi Schedule	107
Manage the WPS Settings	108
Manage Advanced WiFi Settings	109
Use the Router as a WiFi Access Point Only	110
9. Manage Port Forwarding and Port Triggering	112
Manage Port Forwarding to a Local Server for Services and Applications	113
Forward Incoming Traffic for a Default Service or Application	113
Add a Port Forwarding Rule With a Custom Service or Application	114
Change a Port Forwarding Rule	115
Remove a Port Forwarding Rule	116
Application Example: Make a Local Web Server Public	117
How the Router Implements the Port Forwarding Rule	117
Manage Port Triggering for Services and Applications	118
Add a Port Triggering Rule	118
Change a Port Triggering Rule	120
Remove a Port Triggering Rule	120
Specify the Time-Out for Port Triggering	121
Disable Port Triggering	122
Application Example: Port Triggering for Internet Relay Chat	122
10. Troubleshooting	124
Reboot the Router From Its Web Interface	125
Quick Tips	125
Sequence to Restart Your Network	125
Check Ethernet Cable Connections	126
WiFi Settings	126
Network Settings	126
Troubleshoot With the LEDs	126
Standard LED Behavior When the Router Is Powered On	126
Power LED Is Off or Blinking	127
Power LED Stays Amber	127
Internet or Ethernet LEDs Are Off	127
WiFi LED Is Off	128
You Cannot Log In to the Router	128
You Cannot Access the Internet	129
Check the WAN IP Address	129
Troubleshoot PPPoE	130
Troubleshoot Internet Browsing	131
Changes Are Not Saved	132
Troubleshoot WiFi Connectivity	132
Troubleshoot Your Network Using the Ping Utility	133
Test the LAN Path to Your Router	133
Test the Path From Your Computer to a Remote Device	134
A. Supplemental Information	135
Factory Settings	136