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D-Link DVA-5592 User Manual
Section 5 - Troubleshooting
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 (
192.168.1.1
) 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.