Re: Network interface aliasing?

2012-03-07 Thread Adam Vande More
On Wed, Mar 7, 2012 at 8:39 AM, Brent Clark wrote:

> Hiya
>
> I would like to ask.
>
> Is it possible to, do network interface aliasing. Im not talking about ip
> aliasing.
>
> I basically want to bind one process to network interface vr0:0 and
> another process to vr0:1.
>

setfib(1)



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Adam Vande More
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Re: Network interface aliasing?

2012-03-07 Thread mikel king

On Mar 7, 2012, at 10:59 AM, Bas Smeelen wrote:

> On 03/07/2012 04:24 PM, Mikel King wrote:
>> On 3/7/12 9:39 AM, Brent Clark wrote:
>>> Hiya
>>> 
>>> I would like to ask.
>>> 
>>> Is it possible to, do network interface aliasing. Im not talking about ip
>>> aliasing.
>>> 
>>> I basically want to bind one process to network interface vr0:0 and
>>> another process to vr0:1.
>>> 
>>> Thanks
>>> Brent
>> 
>> Brent,
>> 
>> You can rename an interface to just about anything you wish. If the
>> process allows for interface binding then you can use that new name.
>> 
>> http://jafdip.com/index.php/2008/09/08/renaming-ethernet-interfaces-under-freebsd-7x/
>> 
> 
> This gives the interface a different name.
> It does not create an alias name for the interface as far as I understand.
> 
> Kind regards,
> Bas
> 

True but the alias option in BSD only allows for assigning another IP address 
to an existing interface. Taking a second look at this request it appears to be 
more of a subinterface phenomenon and not an alias at all. 

As far as I recall FreeBSD does not support this sort of subinterface naming. 
But I wonder if there's a way to create pseudo interfaces to pull something 
similar off, however wonder what's the point.

cheers,
m 





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Re: Network interface aliasing?

2012-03-07 Thread Bas Smeelen
On 03/07/2012 04:24 PM, Mikel King wrote:
> On 3/7/12 9:39 AM, Brent Clark wrote:
>> Hiya
>>
>> I would like to ask.
>>
>> Is it possible to, do network interface aliasing. Im not talking about ip
>> aliasing.
>>
>> I basically want to bind one process to network interface vr0:0 and
>> another process to vr0:1.
>>
>> Thanks
>> Brent
>
> Brent,
>
> You can rename an interface to just about anything you wish. If the
> process allows for interface binding then you can use that new name.
>
> http://jafdip.com/index.php/2008/09/08/renaming-ethernet-interfaces-under-freebsd-7x/
>

This gives the interface a different name.
It does not create an alias name for the interface as far as I understand.

Kind regards,
Bas


Disclaimer: http://www.ose.nl/email

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Re: Network interface aliasing?

2012-03-07 Thread Mikel King

On 3/7/12 9:39 AM, Brent Clark wrote:

Hiya

I would like to ask.

Is it possible to, do network interface aliasing. Im not talking about 
ip aliasing.


I basically want to bind one process to network interface vr0:0 and 
another process to vr0:1.


Thanks
Brent


Brent,

You can rename an interface to just about anything you wish. If the 
process allows for interface binding then you can use that new name.


http://jafdip.com/index.php/2008/09/08/renaming-ethernet-interfaces-under-freebsd-7x/

Regards,
Mikel

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Re: Network interface aliasing?

2012-03-07 Thread Bas Smeelen
On 03/07/2012 03:39 PM, Brent Clark wrote:
> Hiya
>
> I would like to ask.
>
> Is it possible to, do network interface aliasing. Im not talking about ip
> aliasing.
>
> I basically want to bind one process to network interface vr0:0 and
> another process to vr0:1.

What do you want to accomplish?
Processes usually listen on adresses or sockets


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Re: Network interface aliasing?

2012-03-07 Thread Matthew Seaman
On 07/03/2012 14:39, Brent Clark wrote:
> I would like to ask.
> 
> Is it possible to, do network interface aliasing. Im not talking about
> ip aliasing.
> 
> I basically want to bind one process to network interface vr0:0 and
> another process to vr0:1.

Yes, you can have alias addresses very easily:

ifconfig em0 inet 192.0.2.2/24 alias

or in /etc/rc.conf:

ipv4_addrs_em0="192.0.2.1/24 192.0.2.2/24"

(But I think this is what you mean by IP aliasing?) Since this is BSD,
we don't have the SysV-ish idea of separate devices just for aliases.
In fact, in *BSD once you've added the alias, it's just one of the
addresses on the interface, co-equal with all the others.  You could go
on to remove the original address, which makes it easy to renumber a
host without downtime.

You usually don't need a separate device in any case: just configuring a
daemon to listen using a specific IP is all that is needed for almost
all purposes.  What exactly is it you are trying to achieve and why
isn't it suitable to use aliases as above?

Cheers,

Matthew

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Network interface aliasing?

2012-03-07 Thread Brent Clark

Hiya

I would like to ask.

Is it possible to, do network interface aliasing. Im not talking about ip 
aliasing.

I basically want to bind one process to network interface vr0:0 and another 
process to vr0:1.

Thanks
Brent

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