howto determine network device unit number? device.hints?

[H.fazaeli]

   for example, say you have 2 interface em0 and em1 which
   you like to swap their minor numbers:
   ifconfig em0 name tmp
   ifconfig em1 name em0
   ifconfig em0 name em1
   or to assign cisco-like names to you interfaces:
   ifconfig xl0 name fastEthernet0
   ifconfig em0 name gigaEthernet0
   ifconfig fastEthernet0 192.168.1.0/24
   Yony Yossef wrote:

 

  

-----Original Message-----
From: H.fazaeli [[1]mailto:fazaeli at sepehrs.com]
Sent: Wednesday, January 14, 2009 6:24 PM
To: Yony Yossef
Cc: [2]freebsd-net at freebsd.org; [3]freebsd-questions at freebsd.org;
Eitan Shefi; Oleg Kats; Liran Liss
Subject: Re: howto determine network device unit number? device.hints?


you may not change unit numbers as they are strictly
controlled by kernel.
However, on freebsd 5.3+, you may use 'ifconfig name <your-name-here>'
to achieve the same affect



Sorry, I don't understand the usage of ifconfig you suggested and the effect
it will cause.
Can you please explain it?
Yony



Yony Yossef wrote:


Hi,

I would like to determine the unit number of my network cards, e.g.
make the device on pci0:16 be assigned every time with unit


number 0


and pci0:19 with unit number 1.

Is it done by /boot/device.hints?
if so, how?

My cards are:

mtnic0 at pci0:19:0:0:     class=0x020000 card=0x001715b3


chip=0x636815b3


rev=0xa0 hdr=0x00
mtnic1 at pci0:16:0:0:     class=0x020000 card=0x001715b3


chip=0x636815b3


rev=0xa0 hdr=0x00

So I've tried:

hint.mtnic.0.at="pci0:16"
hint.mtnic.1.at="pci0:19"

but it doesn't work. They keep switching arbitrarily.
I'm using FreeBSD 7.0.

Thanks
Yony
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--


Best regards.

Hooman Fazaeli [7]<hf at sepehrs.com>
Sepehr S. T. Co. Ltd.

Web: [8]http://www.sepehrs.com
Tel: (9821)88975701-2
Fax: (9821)88983352







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--


Best regards.

Hooman Fazaeli [12]<hf at sepehrs.com>
Sepehr S. T. Co. Ltd.

Web: [13]http://www.sepehrs.com
Tel: (9821)88975701-2
Fax: (9821)88983352

References

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   7. mailto:hf at sepehrs.com
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