Hello Bob

Shortly after I sent this email, I did some more digging and found a doc here on CCO

http://www.cisco.com/en/US/docs/ios/12_2t/12_2t8/feature/guide/ft1636nm.html#wp1434381

While it's not extensive in it's spelling out of what it can't do, there is Cisco "speak" about what it does with the usually list of suspected caveats.

I'm going to see about tracking down a couple of the small, lower power compact 3560-C's that Cisco sells, only of course after I do another round of research to see what the restrictions are with these in IOS and what-not, for I know there will be some that the Cisco Market-tecture machine doesn't talk about. Then it's too late and your hosed.

I'll take a look at the link you sent.

Ciao

Joe

On 2/12/2012 8:53 PM, Bob McCouch wrote:
Hi Joe,

There is no such command, unfortunately. The NM-ESW switches were very rudimentary in their function. Only 802.1D (OK, technically 802.1D-1998) is supported. They also don't do ISL (I don't think), DTP, or any of a variety of other Catalyst features.

I suspect that's why Cisco moved to the later design model of the NME and now the ES2/ES3 switch modules that are really a 3750/3560 switch-on-a-card that is separately administered and configured, rather than the NM-style that just added switchports to an IOS software router. It was probably one way to get those features in without having to implement all those protocols for router IOS.

There is a lot that is lost when trying to do switching labs with a pure Dynamips setup.

One option is a hybrid lab setup, as described here: http://blog.ipexpert.com/2011/02/28/gns3-and-physical-switches-breakout-switch/

I've built something similar to this design and it works great. Emulated IOS for the routers, real Catalyst switches for that end of things (I presently use 2x3550 and 2x3560 with a 3750 breakout switch).

Bob


On Sun, Feb 12, 2012 at 10:48 PM, Joe Danrich <[email protected] <mailto:[email protected]>> wrote:

    Hello Peoples

    Does anyone have the command that would actually let you get into
    the switching modules on the IPExperts Dynamips switches (Cat1 -
    Cat4) whereby they would act like Catalyst switches?

    I have poked around (usual suspects DDG, Google, Bing, etc.) and
    can't seem to find anything  that would allow modes to be used
    such as MST or PVST etc. with this module.. Has anyone had any
    luck in getting the NM-16ESW to perform some of higher end
    functions that 3550/3560/3750's can do?

    Regards

    Joe

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