/interface print
Flags: D - dynamic, X - disabled, R - running, S - slave
 #     NAME                                                                                                              TYPE               MTU L2MTU  MAX-L2MTU
 0  R  Internet                                                                                                          ether             1500
 1  R  PPP                                                                                                               ether             1500
 2  R  Local                                                                                                             ether             1500
 3  R  Wireless                                                                                                          ether             1500