SamDobs Pursuit of Happyness through Techyness....

Handy Command to check MTU size as well as Connection Status of Interface.

H:\>netsh interface ipv4 show interfaces

Idx     Met         MTU          State                Name
---  ----------  ----------  ------------  ---------------------------
  1          50  4294967295  connected     Loopback Pseudo-Interface 1
 15          25        1500  disconnected  Wireless Network Connection
 18          25        1500  disconnected  Wireless Network Connection 2
 14          20        1500  connected     Local Area Connection
538          10        1500  disconnected  Local Area Connection 3

HTH...

Sam