About the Author

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Joe Harris, CCIE No. 6200 (R&S, Security & SP) is a Systems Engineer with Cisco Systems® specializing in Security. In addition to authoring Cisco Network Security Little Black Book, Joe has also been a technical reviewer for several Cisco Press publications and written articles, white papers, and presentations on various security technologies. He also assists various Certification Partners by beta testing their newest CCIE certification workbooks and has been recognized by Cisco as an SE Wall of Fame award winner.

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Cisco In-Service Software Upgrade Q&A

September 23rd, 2008 • Related • Filed Under

Cisco IOS® In-Service Software Upgrade (ISSU) lowers downtime due to planned maintenance and software upgrades—a new capability that will benefit many service providers and enterprises. The document located here (ISSU Q&A) addresses questions about this new capability. If your considering implementing ISSU in your environment please give this a read.

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