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Re: [ISSForum] Taps supporting traffic aggregation
I guess you speak about the IDS Balancer because Toplayer don't have
taps supporting traffic aggregation ( maybe they will ...) but I'm not
interested in load-balancing traffic between multiple sensor.
The goal with taps supporting traffic aggregation is to simplify IDS
architecture and to save cost:
With normal taps, you need to use Network Sensor with integrated
full-duplex segment monitoring or to use layer 7 switches (IDS balancer
for example) to aggregage traffic for your Network Sensor. Now, you can
connect your Network Sensor directly to the port aggregator tap.
I would be interested to have your feedback on using such devices and
especially if they really deconflict collisions as it can be described
in the datasheets (taps are normally passive devices)
Ken Kempster wrote:
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Have you looked at TopLayer? I've tested the product
a few years ago and it looked good for aggregating ports/traffic, load
multiple sensors and still retain an aggregated port for your sniffer.
Thierry Bôle wrote:
| Has anyone tested taps supporting traffic aggregation with ISS
| products (with the capability to mirror the traffic only on one
| link) ?
| I'm aware of the bandwidth limitations we can have: if the 2
| network ports are operating at 100mbps and the IDS port is
| operating at 100mbps as well, then under sustained aggregate
| bandwidth of greater than 100mbps, packets will get dropped.
| I guess it should cause no problems with dropped packets if I'm
| monitoring internet links with low utilisation.
| Any feedback appreciated.
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