OSPF Fundamentals Link-state routing protocols utilize more internal resources in favor of reducing bandwidth consumption. All OSPF routers in an area share the same Link State Database (LSDB). Link State Advertisements (LSAs)…
Month: November 2009
CCNP BSCI Notes – Scalable EIGRP
Configuring EIGRP Enabling EIGRP:
OReilly – Network Troubleshooting Tools
Network Troubleshooting Tools helps you sort through the thousands of tools that have been developed for debugging TCP/IP networks and choose the ones that are best for your needs. It also shows…
Cisco Router and Switch Forensics: Investigating and Analyzing Malicious Network Activity
Cisco IOS (the software that runs the vast majority of Cisco routers and all Cisco network switches) is the dominant routing platform on the Internet and corporate networks. This widespread distribution, as…
CCNP BSCI Notes – EIGRP Principles
Supports routed protocols like IP and IPv6 via protocol-dependent modules Uses Reliable Transport Protocol (RTP, Cisco proprietary) for some traffic (updates, queries, and replies) Uses hellos to identify/monitor neighbors Uses the Diffusing…
CCNP BSCI Notes – Network Design
Full mesh formula: n(n-1)/2 Example: To create a mesh between 8 nodes, 8 * (8-1) / 2 = 28; 28 links are needed. Design concepts Legacy Hierarchical Design Model
CCIE Routing and Switching Exam Certification Guide, Fourth Edition
CCIE Routing and Switching Exam Certification Guide, Fourth Edition is a comprehensive self-study tool for preparing for the latest CCIE Routing and Switching written exam (version 4.0). Complete coverage of all exam…
CCNP BCMSN Notes – Cisco Unified Wireless Network
Autonomous APs can be burdensome to manage in large numbers; a lightweight solution is preferred. Lightweight Access Points (LAPs) communicate with a centralized Wireless LAN Controller (WLC) through Lightweight Wireless Access Point…
CCNP BCMSN Notes – Wireless Architecture and Design
Legacy Authentication Types Open Authentication No authentication is used; any client can associate to an AP. Pre-Shared Key (PSK) A pre-shared static Wired Equivalence Protocol (WEP) key authenticates the client to the…