Table 2. Common MTU sizes
Application
MTU
The largest Ethernet packet size. This setting is typical for connections that do not use
PPPoE or VPN and is the default value for NETGEAR routers, adapters, and switches.
1500
Used in PPPoE environments.
1492
Maximum size to use for pinging. (Larger packets are fragmented.)
1472
Used in some DHCP environments.
1468
Usable by AOL if you do not send or receive large email attachments, for example.
1460
Used in PPTP environments or with VPN.
1436
Maximum size for AOL DSL.
1400
Typical value to connect to dial-up ISPs.
576
Specify Your Internet Settings
37
Nighthawk AC2300 Smart WiFi Router