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Cisco LAN Switching Fundamentals by Basir Sakandar - CCIE No. 6040, David Barnes - CCIE No. 6563

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Cisco Online Resources

Field alert and Cisco Product Security Advisories and Notices (PSIRT) are two popular methods that Cisco uses to announce software caveats, hardware problems, and security vulnerabilities. Both field alerts and PSIRT web pages can be found on the Cisco website (Cisco.com) by using search words field alert and PSIRTs, respectively.

Field alerts are released to the public by Cisco in the hopes of increasing the customers' awareness of potential software/hardware issues. The field alerts typically have detailed information about the nature of the problem and possible workarounds. If there was a bad batch of hardware sold, Cisco typically offers serial number ranges and guidelines on upgrade policy. It is critical for network ...

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