After a bit of a discussion on Twitter regarding whether you should run OSPF on the connected interfaces (configuring them as passive, as required), or redistribute connected in IOS (I prefer the former, as I don’t believe type-5 LSAs that aren’t ACTUALLY external prefixes should be created), we got onto the topic of how various network operating systems configure IGPs, specifically OSPF. I figured this might make for an interesting discussion, so I’ll present the configurations from Cisco’s numerous different IOS variants, as well as Junipers one and only Junos. (See what I did there?) (more…)

Filed under: Cisco, Juniper by Chris Jones on October 21, 2011
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I wanted to do a simple tutorial for creating a full network on a single Juniper router, and after having a colleague asking about it, I decided it was time. (more…)

Filed under: Juniper, Network by Chris Jones on October 19, 2011
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This week Cisco did something very strange. Something that strays very far from their usual path. They actually went out and bashed their largest competitor, Juniper Networks, by name. (more…)

Filed under: Cisco, Commentary, Juniper by Chris Jones on September 15, 2011
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Juniper’s QFabric has been a long awaited technology, and despite only being officially announced earlier this year, people have already started referring to it as “vaporware“. While silly and quite the exaggeration, it did seem like there was a significant gap in between the release of the QFX3500 switch and the rest of the portfolio, but finally we have some more insight. (more…)

Filed under: Juniper, Network by Chris Jones on September 6, 2011
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I figured I’d write something up quick about doing IPSec VPN on Junos. If you’re just looking for a simple tunnel, it really couldn’t be easier. (more…)

Filed under: Juniper, Network by Chris Jones on August 18, 2011
4 Comments »