Using 2 NICS?

Alan Ward award at mypic.ad
Wed Oct 25 13:39:37 EDT 2000


Try using two different C-class network addressing
schemes. I have one machine with three NICs, each on
a different network:

        192.168.10.10/255.255.255.0
        192.168.30.10/255.255.255.0
        192.168.40.10/255.255.255.0

so the box always knows where to route each message.

I personnaly prefer to use different make cards to make sure
which card has which address. If you have identical cards,
there may be a way of assuring this but I haven't found it
yet.

Regards,
Alan Ward

> Karl Bellve wrote:
> >
> > This isn't a direct Beowulf question but I thought the people here might
> > know the answer. I am setting up a file server for our computers, which
> > includes a beowulf system. This file server has 5 75GB IBM ATA100 drives
> > using Redhat 7.0 with a 2.4.0-0.26 kernel. I have two NICS in this
> > computer to help distribute the load across our switched network.
> >
> > The question is, is it possible to use two NICs with their own unique IP
> > on the same subnet? I would then allow half of our computers to connect
> > to one IP and the other half to the other IP. I know this isn't load
> > balancing but I think this should be doable.
> >
> > Right now, Linux is assigning both IPs to the first NICs since they have
> > the same netmask and gateway.
> >
> > --
> > Cheers,
> >
> > Karl Bellve, Ph.D.                   ICQ # 13956200
> > Biomedical Imaging Group             TLCA# 7938
> > University of Massachusetts
> > Email: Karl.Bellve at umassmed.edu
> > Phone: (508) 856-6514
> > Fax:   (508) 856-1840
> > PGP Public key: finger kdb at molmed.umassmed.edu
> >
> > _______________________________________________
> > Beowulf mailing list
> > Beowulf at beowulf.org
> > http://www.beowulf.org/mailman/listinfo/beowulf

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