hi,

> HI , I have two questions. 1¡¢I have two network interfaces in
> machine.I want to design two IP address for them and these IP address
> in same network area . example : wm0 is 191.168.0.2 and wm1 is
> 191.168.0.3 .but one is ok ,other one is not work .I don't know
> why.pls tell me what should I do?

do you know which card is defective? if so, replace the card.

> 
> 2¡¢I want to bind two network interfaces to one IP address for improve
> network performance.what should I do ?

to do this you need (at least) a switch that supports 'port trunking'
(your manufacturer might call it differently, but mostly it's known as
'trunk' or 'fat pipe') -- make sure that your switch supports this.

> 
> thanks ,I hope you write back. regards

HTH,

timo