How does freebsd supports ipx?

Виталий Туровец corebug at
Fri Oct 12 10:12:01 UTC 2012

2012/10/12 YC Wang <wangyc0307 at>:
> Hi,all:
>     I read from wikipedia that freebsd supports ipx. But when I tried
> to set ipx address on em0,it showed the following message:
>     freebsd-yc# ifconfig em0 ipx (netnum.nodenum)
>     ifconfig: socket(family 23,SOCK_DGRAM: Protocol not supported
>     And as I furher trussed the ifconfig process, I found this was
> probably caused by the failure of the socket syscall:
>     freebsd-yc# truss ifconfig em0 ipx netnum.nodenum
>     ......
>     socket(PF_IPX,SOCK_DGRAM,0)                  ERR#43 'Protocol not supported'
>     ......
>     In contrast however, when calling "socket(PF_IPX,SOCK_DGRAM,0)" on
> Linux, it will automatically load the ipx kernel module and the socket
> syscall returns successfully. But I don't find any ipx module in
> /boot/kernel/ on freebsd.
>    So I wonder how does freebsd supports ipx? Is there any other work
> I should do for this purpose?
>    And if this isn't the most appropriate list for this question,
> please let me know.
>   Thanks
>   YC Wang
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I suppose you should add "options IPX" line to your kernel
configuration file and rebuild/reinstall the kernel.


Vitaliy Turovets
NOC Lead @TV-Net ISP
NOC Lead @Service Outsourcing company

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