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D-Link DIR-878 User Manual
Section 7 - 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:
t 0QFOZPVSCSPXTFSFOUFSUIF*1BEESFTTPGZPVSSPVUFS BOEDMJDL
OK
.
t &OUFSZPVSVTFSOBNF BENJOBOEQBTTXPSE CMBOLCZEFGBVMU$MJDL
OK
to enter the web configuration page for
the device.
t $MJDLPO
Setup
and then click
Manual Configure
.
t 5PDIBOHFUIF.56FOUFSUIFOVNCFSJOUIF.56öFMEBOEDMJDL
Save Settings
to save your settings.
t 5FTUZPVSFNBJM*GDIBOHJOHUIF.56EPFTOPUSFTPMWFUIFQSPCMFNDPOUJOVFDIBOHJOHUIF.56JOJODSFNFOUT
of ten.