Dear Community, I have a Time Capsule ver 7.5.2 set up as the router of my network. Speedguide.net 's tcpip analyzer always reports mtu is 1440 but my mbp airport mtu is set to 1492. So TC seems lo lower packet mtu. It's me or what? TIA
Hi, TCP/IP Analyzer is the link: please try it and see your reported MTU. Time Capsule (or Airport Extreme Base Station, it's same thing) must be set up to be in routing mode, not bridged. If my observation is true, that means TC (or AEBS) do alter the packets sent to it by computers: it trims them to 1440 even if they are made 1492 mtu.
Cheers
TC trimming mtu?
