While reading for my CCNA security exam I ran across an interesting link from cisco (You have to admit, if you dig deep enough some of cisco’s documentation is excellent) http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6586/ps6723/prod_white_paper0900aecd80633b0a.pdf It describes their Flexible Packet Matching (FPM) engine, available on certain routers and switches. To me this seems a fancy way of saying that … Continue reading Cisco Flexible Packet Matching
OSPF route failover
A colleague recently asked why, at a basic level, is dynamic routing such as OSPF useful? The very first thing that comes to mind is of course route failover. That is, when a network contains multiple routes to the same network, dynamic routing automatically will "failover" to an alternative route when the primary route is unavailable. … Continue reading OSPF route failover
David Vassallo's Blog 
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