Functions on the router’s user interface
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MTU
Do not change the default value unless necessary. If you are unable to open some website, to
receive or send emails, etc., try to minimize the MTU value until your network returns to normal.
Typical for connections that do not use PPPoE or VPN
Used in PPPoE environments.
Maximum size to use for pinging. (Larger packets are fragmented.)
Used in some DHCP environments.
Used in PPTP environments or with VPN.
Tips
An incorrect MTU setting can cause internet communication problems. You might not be able to
access certain websites, secure login pages, or FTP or POP servers.