[Snort-users] Advice on quad ethernet card
sekure at ...11827...
Mon Nov 29 10:44:01 EST 2004
YMMV, but I am using the PCI-X Quad GigE card from Intel, on HP DL360
and Linux Enterprise Server. All 4 card interfaces are set to
promisc. and I am using the on-board NIC as the management interface.
Not really seeing any issues described by others, though I am not
coming even close to 100Mbps, more like 10 on each interface.
On Mon, 29 Nov 2004 12:33:04 -0600 (CST), Glenn Forbes Fleming Larratt
<glratt at ...604...> wrote:
> I have done this. I'd advise against that particular configuration, as
> I've experienced bus contention, memory leaking, and general suckage
> requiring weekly prophylactic reboots, when trying to run even 2 of
> the four interfaces on a quad both in promiscuous mode.
> Scaling down to one i/f on the quad and deploying a separate card for
> the second tap didn't fully solve, but greatly ameliorated, the
> difficulties I experienced.
> At this point, I'd recommend having a separate NIC in a separate slot
> for each tap you want to monitor, plus a separate interface for
> managing the box.
> On Fri, 19 Nov 2004, Patrick Marquetecken wrote:
> > Date: Fri, 19 Nov 2004 22:16:14 +0100
> > From: Patrick Marquetecken <patrick.marquetecken at ...1187...>
> > To: Snort <snort-users at lists.sourceforge.net>
> > Subject: [Snort-users] Advice on quad ethernet card
> > Hi,
> > At my work they are thinking of replacing 3 snort machines by one with a quad Ethernet card, witch will sniff 3 different lan's.
> > The network is only 100Mbit, will there not a lot of dropped packages this way, and they must all send there data with barnyard to a remote mysql server.
> > Is it also possible to see in the Database from witch sensor the data is from?
> > TIA
> > Patrick
> > --
> > "Please, Spock, do me a favor ... 'n' don't say it's `fascinating'..."
> > "No... but it is... interesting..." -- Spock
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> > Registered Linux User #44550
> > http://counter.li.org
> Glenn Forbes Fleming Larratt
> Rice University Networking
> glratt at ...604...
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