Best MTU to avoid fragmentation of packets on send through

[joelbean]

How to determine the optimal MTU and MSS size

Setting the correct MTU size can make a difference in optimizing your network speeds. The MTU size, or Maximum Transmission Unit Size, is the largest physical packet size, measured in bytes, that a network can transmit. Any messages larger than the MTU are divided into smaller packets before being sent. The default setting of the MTU size on Peplink routers is 1440 to accommodate for the different quality of ISP connections from around the world. The best value for MTU is that value just be…

Shortcut: The best MTU for AT&T cellular link is 1420. The best MTU for Verizon cellular link is also 1420.