Over the past couple of weeks I’ve presented to several Cisco User Groups on Cisco Virtual Switching System 1440 (VSS). I’ve attached my presentation here (which can also be found on several Cisco User Group websites where I’ve presented).
This is (and is intended to be) a technical presentation, not a sales pitch or a high-level presentation. Not only are configuration snippets shown, but some example scenarios are given. (more…)
I was working on a client switch (VSS, modular IOS 12.2(33)SXH or IOS 12.2(33)SXI — I forget at this point) and ran into the following error message when attempting to save the configuration (more…)
I recently had an experience working on a couple of 6500-series switches in a VSS configuration. Both switches were running IOS 12.2(33)SXI. I found an interesting behavior when working on the switches. I’d seen this type of behavior before on lower-end switches (Cisco/IBM CIGESM Blade Center switches), but had not seen this behavior before on the 6500-series.
While working on the switch, I started to notice some errors that were being generated, namely:
Well, I had been configuring both of these switches from the ground-up, so this sparked my curiosity as I rarely (if ever) use dynamic mode for any ports. What I found was a little disconcerting, in that the running configuration really isn’t the running configuration:
(more…)
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