D-Link DIR-655 manual Troubleshooting

Page 78

Section 6 - Troubleshooting

You should start at 1472 and work your way down by 10 each time. Once you get a reply, go up by 2 until you get a fragmented packet. Take that value and add 28 to the value to account for the various TCP/IP headers. For example, lets say that 1452 was the proper value, the actual MTU size would be 1480, which is the optimum for the network we’re working with (1452+28=1480).

Once you find your MTU, you can now configure your router with the proper MTU size.

To change the MTU rate on your router follow the steps below:

•Open your browser, enter the IP address of your router (192.168.0.1) and click OK.

•Enter your username (admin) and password (blank by default). Click OK to enter the web configuration page for the device.

•Click on Setup and then click Manual Configure.

•To change the MTU enter the number in the MTU field and click Save Settings to save your settings.

•Test your email. If changing the MTU does not resolve the problem, continue changing the MTU in increments of ten.

D-Link DIR-655 User Manual

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Contents Page Table of Contents Networking Basics Wireless SecurityTroubleshooting Wireless Basics Technical SupportProductPackageOverviewContents Introduction Total PerformanceFeatures Hardware Overview ConnectionsLEDs Internet LEDInstallation Before you BeginWireless Installation Considerations Click Install Router Getting StartedConfiguration Web-based Configuration UtilitySetup Wizard Click Launch Internet Connection Setup Wizard to beginConfiguration Configuration Configuration Manual Configuration Dynamic CableInternet Setup PPPoE DSLPptp Page L2TP Page Static assigned by ISP Big Pond Wireless Settings Channel WidthWireless Security Network Settings Dhcp Server Settings Dhcp Reservation Virtual Server Configuration Port Forwarding Application Rules QoS Engine SpeedNetwork Filters Dhcp ClientAccess Control Access Control Wizard Access Control Wizard Website Filters Inbound Filters Firewall Settings Application Level Gateway ALG Configuration Advanced Wireless Settings Transmit Power Set the transmit power of the antennasWish Settings Page Advanced Network Settings Administrator Settings Time Settings SysLog SysLog Server SysLog ServerEmail Settings Authentication authenticationSystem Settings Update Firmware Check Email Notification of Newer FirmwareDdns System Check Schedules Device Information Log Stats Active SessionsWireless WishSupport Wireless Security What is WPA? Wireless Security Setup Wizard Security Security Configure WEP Configure WPA-Personal PSK Configure WPA-Enterprise Radius Security Connect to a Wireless Network Using Windows XPConfigure WEP Connecting to a Wireless Network Configure WPA-PSK Connecting to a Wireless Network Troubleshooting Why can’t I access the web-based configuration utility?What can I do if I forgot my password? Troubleshooting Troubleshooting Wireless Basics What is Wireless? Wireless Local Area Network WlanWireless Personal Area Network Wpan HomeSmall Office and Home Office Centralize your router or Access Point Eliminate InterferenceWireless Modes SecurityNetworking Basics Step Step Highlight Internet Protocol TCP/IP and click PropertiesTechnical Specifications Technical Support
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DIR-655 specifications

The D-Link DIR-655 is a widely recognized wireless router that has made a significant mark in the realm of home networking since its initial release. Known for its combination of high performance, advanced features, and ease of use, the DIR-655 is primarily designed for users looking for reliable internet connectivity with added functionalities.

One of the standout features of the D-Link DIR-655 is its capability to operate on dual-band frequencies – 2.4 GHz and 5 GHz. This dual-band support allows users to experience reduced interference and improved wireless performance. The 2.4 GHz band is ideal for basic tasks such as web browsing and email, while the 5 GHz band excels in handling high-bandwidth applications like HD video streaming and online gaming.

Equipped with advanced 802.11n wireless technology, the DIR-655 ensures an extensive range and faster speeds, making it suitable for households with multiple devices. The Wireless N technology provides data transfer speeds of up to 300 Mbps, enhancing connectivity for streaming content, downloading files, and engaging in online gaming without noticeable lag.

Moreover, the router features multiple Ethernet ports, accommodating wired connections for devices that require a stable internet connection, such as gaming consoles and desktop computers. This versatility ensures that users can seamlessly connect devices while benefitting from minimal latency.

Security is a primary concern for any network, and the DIR-655 addresses this with robust security features. It employs WPA/WPA2 encryption protocols to safeguard the network against unauthorized access and potential threats. The built-in firewall adds an extra layer of protection, keeping your data safe from external vulnerabilities.

Setting up the DIR-655 is straightforward, thanks to its user-friendly web interface. The D-Link Quick Setup Wizard guides users through the installation process, ensuring that even those with limited technical knowledge can configure the router with ease.

Additionally, the DIR-655 offers Quality of Service (QoS) settings, allowing users to prioritize bandwidth allocation according to their needs. This feature is particularly useful in busy households where multiple users are engaged in high-bandwidth activities simultaneously.

In summary, the D-Link DIR-655 is an exceptional choice for those seeking a reliable and feature-rich wireless router. Its dual-band technology, high data transfer speeds, fortified security measures, and user-friendly setup make it a formidable ally in the quest for seamless internet connectivity. Whether for casual browsing or intensive online activities, the DIR-655 continues to meet the diverse needs of modern users.
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