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How-to articles, industry news, opinions, analysis, and career advice for network engineers and anyone else who likes to keep up with the packet zeitgeist.
RSSThe Packet Pushers recently had a briefing with Chris Grundemann about startup FullCtl. FullCtl is all about network automation for internet exchanges, service providers, large enterprises, and anyone else looking…
READ MOREIn the final installment of this series, Russ White covers BGP next hops, including: -Next hop in iBGP vs. eBGP -Multi-access links -Route reflectors -Route servers You can subscribe to…
READ MORERuss White’s BGP course moves on to the concept of BGP communities, including the three basic types of communities, as well as no_export and no_advertise communities. You can subscribe to…
READ MOREThis installment of Russ White’s BGP course discusses how the BGP protocol calculates the best path for a route. Topics include: -Routes to discard -Weighting -Shortest AS path -Origin type…
READ MORERuss White’s BGP course continues with a lesson on messages and updates. Topics include: -BGP Open -BGP Reach -BGP MP-Reach -Address families -BGP Update -Update processing -TCP interaction You can…
READ MORERuss White continues the discussion about BGP peering in part two of this lesson. Topics covered include: -Challenges with link-local next hop with IPv6 -How different BGP implementations handle these…
READ MOREThe first video in this second module of Russ White’s BGP course covers peering, including why BGP uses TCP for transport, passive and active peer, multi-hop peering, collisions, and more.…
READ MOREThis lesson in Russ White’s BGP course delves into synchronization within an Autonomous System (AS) and confederation within an AS. It also discusses route reflectors, including how they prevent loops,…
READ MOREThis lesson in Russ White’s BGP course gets into withdrawing a route, MRAI time, implicit withdraws, BGP Hunt, graceful restart, and other topics. Russ White is a network architect, author,…
READ MORERuss White’s BGP series continues with a discussion of building loop-free paths with the Border Gateway Protocol (BGP). Topics include AS (Autonomous System) paths, loop prevention, why loop checks are…
READ MORERuss White kicks off a ten-video series on the Border Gateway Protocol (BGP). The series is divided into two modules, with short lessons within each module. This first video covers…
READ MOREMelchior Aelmans of Juniper Networks explains what TCP/AO (RFC5925) is to Packet Pushers podcast host Ethan Banks. Then we get a Junos-based demo of TCP/AO in action authenticating a BGP…
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