You might want to take a look at the CEF book, which expands on this http://www.amazon.com/Cisco-Express-Forwarding-ebook/dp/B0015V9DQU/
both of these are still very accurate on how IOS operates today. The only major changes with IOS-XE is that IOS is now a process and packet forwarding is handled in hardware instead of software. For NX-OS and IOS-XR the software/operating system is wildly different and I think there is a definite gap in literature out there. On Fri, Oct 26, 2012 at 7:12 PM, Andrey Khomyakov <khomyakov.and...@gmail.com> wrote: > Does anyone know if there is an updated version of this book? Year 2000 > seems so distant now... > > http://www.amazon.com/dp/B0051TM4RC/ref=rdr_kindle_ext_tmb > > --Andrey
