[CentOS] Optimizing CentOS for gigabit firewall

Peter Serwe peter.serwe at gmail.com
Sat Dec 19 18:44:24 UTC 2009

I'd argue handling it at the layer 3 level to be preferable than splitting
every customer into their own vlan.

If you split into vlans like that, if you have single-box customers, you'll
have to have subnet boundaries for every /30...

OTOH, vlan isolation for customers is pretty much the norm, as long as
you've got the IP's to waste, why not..

On Sat, Dec 19, 2009 at 8:42 AM, Les Mikesell <lesmikesell at gmail.com> wrote:

> Peter Serwe wrote:
> > So basically, you're saying you'd want to allow or disallow traffic
> > based on mac address?  Seems like you could put mac filters on a number
> > switches, Cisco being the most easily documented by Mr. Google.
> >
> > Be a lot faster than any kernel, and a total waste of BSD.  If you can
> > do it on Linux via some other mechanism, go for it.
> >
> Or perhaps use a VLAN trunk to the switch with the devices you want to
> isolate
> on different VLANs.  This gives you a different interface/subnet per VLAN
> for
> more natural control.
> --
>   Les Mikesell
>    lesmikesell at gmail.com
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Peter Serwe
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