CCNP Recertification

Posted on Tuesday, 22nd November 2005 by sean

I’ve read and heard that there are some idiosyncrasities about connected routes and IS-IS when redistributing. Most recently while reading “Optimal Routing Design” and also when talking with a friend who was studying for the BCSI exam. When redistributing out of IS-IS, some routes are missing, notably connected routes. Let’s investigate. A simple three-router network: [...]

Posted in Routing | Comments (2)

Posted on Thursday, 17th November 2005 by sean

Build the Best Data Center Facility for Your Business Douglas Alger Cisco Press, 2005 Synopsis This book is a must for anyone in charge of a datacenter, be they building, expanding, or just running the operation. It provides a solid grounding in HVAC, electrical, layout, and other concerns. Working in IT, I’m quite familiar with [...]

Posted in Reviews | Comments (0)

Posted on Monday, 14th November 2005 by sean

A simple one to get the posts flowing… BGP peer groups simplify the configuration of BGP neighbors by moving the template into a configuration. For example, look at R3: router bgp 1 no synchronization bgp log-neighbor-changes network 10.3.3.0 mask 255.255.255.0 network 10.50.0.0 mask 255.255.0.0 neighbor 10.50.0.1 remote-as 1 neighbor 10.50.0.2 remote-as 1 neighbor 10.50.0.2 route-reflector-client [...]

Posted in Routing | Comments (1)