Posts Tagged ‘6500’

Cisco VSS presentation

Wednesday, November 25th, 2009

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…)

Beware the config register…

Thursday, May 28th, 2009

Okay, I had a really embarrassing experience at a client site recently. While deploying a set of VSS switches, I ran into a sup that continued to boot into ROMMON mode. Typically this can be caused by:

  • Missing or invalid IOS image
  • Incorrect boot statement(s) in the configuration
  • Configuration register configured to boot into ROMMON mode
  • Corrupt memory (can happen)

(more…)