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I'm setting up a hardware security appliance intrusion detection device (IDS) in monitor-mode (i.e., not inline), and I suspect I'm having some problems with Gigabit ethernet autonegotiation on a 100Mbps tap. Is this normal?

Does Ethernet Autonegotiation in a hardware IDS work on 100Mbps taps?

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This is not a security question. As such, it's off topic. – Polynomial Nov 16 '12 at 14:52
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I can accept that this may be modded off-topic and moved to another SE site, but I don't know why anyone would mod it down without a comment. Although it's a networking hardware question, IDS devices and taps are standard tools of IT security. – mgjk Nov 16 '12 at 14:53
Computers are a standard tool of IT Security too, but it doesn't mean that all computer-related questions are on-topic. Your question was modded down for being off-topic, and I left a comment! – Polynomial Nov 16 '12 at 14:55
I missed your comment by a second. IDSes have no other purpose than IT security. – mgjk Nov 16 '12 at 15:20
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@mgjk Doesn't matter whether the computer detects things or serves webpages. Configuration of the ethernet level is out of our scope. Besides that, how would we know how your particular unnamed device handles autonegotiation? – Jeff Ferland♦ Nov 16 '12 at 19:22
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closed as off topic by GdD, Polynomial, Iszi, Jeff Ferland♦ Nov 16 '12 at 19:20

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