Chesapeake NetCraftsmen

Here is a recap of articles I posted in June to my blog at Netcordia:

• "CCIE Recert" goes over ways to prepare for the CCIE written exam for CCIE recertification.
• "Routing Loops" describes how the use of static routes can create routing loops.
• "Reachability SLA and SNMP Data Collection" looks at using SNMP data collection instead of pings to track reachability in a network.
• "The Case of the Failed PCI Audit" discusses a failed network audit where some devices were not being managed by the NMS

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Here is a recap of articles I posted in May to my blog at Netcordia:

• "How's the network running? More on SLAs" discusses Service Level Agreements (SLAs) based on network QoS.
• "Anti-spoofing filters" describes why organize should use anti-spoofing filters to exclude packets that have invalid source addresses.
• "Config Policy and Operational Data" provides another example for incorporating operational data with configurations for performing configuration compliance validation.
• "Calling All Devices - What's on the network?" looks at device discovery mechanisms.

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• "Network SLA Methodologies" discusses the the types of data needed for SLA calculations. It also discusses useful calculation methodologies.
• "Network SLAs - Which One to Use?" discusses some ways to select your network SLAs.
• "The Network Microscope" describes my vision of the ultimate network microscope. This tool would tell me who is sending how much of what data on a link.
• "Mean Time to Convince" offers some ideas about little know components of MTTR. You probably have heard of MTTR - Mean Time to Repair. But you may want to learn about some underlying MTTR components - MTTC, MTTG, and MTTI.

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