26Apr 2006 How do I check my network card speed? by troyski ⋅ Leave a Comment Use netstat -v enXnetstat -v enX where X is the network card number. You can change the speed using smitty chgenet, but you have to dettach the network card first. e.g. ifconfig ent0 dettach smitty chgenet ifconfig ent0 upifconfig ent0 dettach smitty chgenet ifconfig ent0 up Posted in: AIX