Few commands in IOS are as seemingly long and as confusing to me as what the BGP command 'neighbor local-as' command can be. This command can extend a further 3 more keywords that each change the behavior quite a bit. I've studied this before, and I always think I have it down, then after some time I come back to it and sit there staring at my screen with a stupid look on my face and a little bit of drool coming out the corner of my mouth while I re-learn it again. Here's to hoping that a little blog action finally once and for all gets this one into my head.
