Ross Vandegrift kallisti.us> writes:
>
> On Tue, Jun 24, 2008 at 01:19:03PM +1200, Nathan Ward wrote:
> > I see little point in aggregating tapped traffic, unless you have only
> > a small amount of it and you're doing it to save cost on monitoring
> > network interfaces - but is that saved
On Tue, Jun 24, 2008 at 01:19:03PM +1200, Nathan Ward wrote:
> I see little point in aggregating tapped traffic, unless you have only
> a small amount of it and you're doing it to save cost on monitoring
> network interfaces - but is that saved cost still a saving when you
> factor in the cos
I stumbled across these last night.
http://www.dovebid.com/assets/display.asp?ItemID=cne11811
I don't know anything about them and haven't done any research. The
auction description would however lead me to believe that they might be
useful in this case. There are many of them listed in the
On Mon, Jun 23, 2008 at 10:00:06PM -0500, Kevin Kadow wrote:
> We started out with SPAN ports, then moved on to Netoptics taps.
>
> Lately we've been using a combination of Cisco Netflow (from remote routers),
> and native Argus flows (from local taps) where we need more details.
>
> Flows are us
We started out with SPAN ports, then moved on to Netoptics taps.
Lately we've been using a combination of Cisco Netflow (from remote routers),
and native Argus flows (from local taps) where we need more details.
Flows are useful to answer "What happened X minutes/hours/days ago?",
and where you d
On 24/06/2008, at 8:32 AM, Ross Vandegrift wrote:
I've been thinking about a move to a system based on optical taps of
each of the links. I'd aggregate these links into something like a
3750 and use remote-span VLANs to pass the traffic onto servers that
sniffing on their interface on that 3750.
Hello everyone,
Over the past two years, there's been a trend toward doing more and
more analysis and reporting based on passive traffic analysis.
We started out using SPAN sessions to produce an extra copy of all of
our transit links for these purposes. But the Cisco limits of two
SPAN sessions
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