Software Upgrades

Throughout the book I have given many references to assist you with upgrading your Cisco software images. You may do this to run a new feature not available in the release you have, to fix a current bug, to improve performance or security issues such as Simple Network Management Protocol (SNMP) vulnerabilities, or to meet your own in-house standards. Ultimately, consistency makes troubleshooting easier, and software versions are no exception to the rule.

Chapter 4, “Shooting Trouble with Novell IPX,” should perhaps have been called “Shooting Trouble with Novell IPX and More,” because IPX was just not available using the software image installed on the routers in my lab. I used different methods to upgrade, including PC-based ...

Get CCNP Practical Studies: Troubleshooting now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.