![]() First, the code that manages the CLI output for "software switching" IOS code that was added back when the NM-16ESW was introduced, underwent a lot of changes during the product lifetime.Now, going back to your question: there are two parts of answer: Emulated/interpreted in run time setup doesn't always provide the same (or repetable) results for multiple of reasons, and it's plainly visible in any time-bound features, like QoS and some parts of security mechanisms (that count on proper timing and order of events triggering in IOS). When you write 'standard GNS3 switch' I assume you mean NM-16ESW module emulated by the dynamips? If so, that's exactly the module and code you're using anyway with 3725.įor any security type of testing, including CAM exhaust attacks and even port security, I'd do testing only in real environment. ![]() Well, you're hitting that space where emulation and physical world interconnect.įirst, let us cover the basics: 3725 is a router, and it has some limited switching capabilities, because it could (in real world) use switching modules, and the switching code was needed in IOS.
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