Re: Linux Kernel Physical Interface Limit

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On Wed, Jul 14, 2010 at 08:52:02AM -0700, Benjamin Franz wrote:

> > Filed some bug reports, and it was evident from the response that very, very
> > few Linux users ever go>  4 eth's on a system. Thus the lack of properly
> > debugged IPv6 support for that then. Fortunately I don't (yet) need IPv6.
> > When I do, it'll be curious to see if the bug is still there.
> 
> I've got six machines with 6 Gb interfaces (two on motherboard, 4 on a 
> card) right now (the design called for 3 bonded pairs on separate nets 
> for redundancy).  I haven't tried IPV6 on them. I had 'issues' with 
> bonding and VMs though.

My trouble didn't involve bonding or VMs, just using 5 interfaces at once
(dual-homed WAN, DMZ, LAN, direct crossover failover backup). Having IPv6
turned on was screwing up using more than 4 for IPv4. Suspect it was a
kernel limitation that in likelihood is since fixed.

Whit
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