[CentOS] mount NFS share over specific nic?

Smithies, Russell Russell.Smithies at agresearch.co.nz
Wed Mar 14 19:35:26 UTC 2012

I have 4 nics each on all the servers (DL385-G7 for FreeNAS and 4 x DL585-G7s) so dedicating a couple for NFS traffic on their own subnet is no problem.
We may even go for 10gig on the nfs if the performance increase can be justified.


> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Les Mikesell
> Sent: Wednesday, 14 March 2012 5:28 p.m.
> To: CentOS mailing list
> Subject: Re: [CentOS] mount NFS share over specific nic?
> On Tue, Mar 13, 2012 at 10:42 PM, Smithies, Russell
> <Russell.Smithies at agresearch.co.nz> wrote:
> > I suspected some subnetting would be involved but hoped I could get away
> with different IPs on the nics.
> > Might have to get the networking books out, it's not my strong suit
> > :-(
> If you look at network addresses and subnet masks in binary it is easy to see
> how routing decisions are made.  But you don't need to do that, you can just
> use a subnet chart or stick to /24 ranges where the first
> 3 octets are different for different subnets and you netmask is
>    But first you need to decide what you want to do -
> will both the server and clients have separate NICs for NFS?  That makes it
> easy - use a different range, hook them to a different switch and you are
> done.  Bonus, you can restrict the sharing to that set of addresses for security
> - and maybe use jumbo frames.
> --
>    Les Mikesell
>       lesmikesell at gmail.com
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