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D-Link DHP-W221AV User Manual
Section 5 - Troubleshooting
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
,
http://dlinkrouter.local.
or
http://dlinkrouter.
)
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.