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05 April 2007

I think I just sprained my head. The exit points of an MPLS network are called Label Edge Routers (LER). Routers that are performing routing based only on Label Switching are called Label Switch Routers (LSR). Remember that a LER is not usually the one that is popping the label. For more information see Penultimate Hop Popping.[More:]

Ow. OW. OW. WHARRR?? Peter Parker pickle-picked a speckled Parker pecker-pen? Ow. OWWWW.

I really thought I was immune to jargonese. Except for a few intentionally *bad* NASA acronyms, I've never honestly suffered so terribly as I did just now.

I'm studying some router and intrusion detection stuff to see if I think I can jump in and handle it as a beginner-monkey in a colocation shop. It looks doable. I have a feeling I'm going to hurt my head even worse before this is all through, though.

Anyone here into Snort, TurboSnort and BleedingRules? Other stateful inspection, smoothwall or intrusion detection stuff? I would greatly appreciate links to good portable reading material, boards or other FAQ and RTFM materia.
For a somewhat clearer explanation of Penultimate Hop Popping, I'd suggest this.
posted by George_Spiggott 06 April | 00:09
Maybe start here.
posted by Triode 06 April | 00:18
Yeah, that's a pretty bad name for a pretty simple concept. I'd bet $5 that the guy who came up with it was some poor schmuck toiling away in the bowels of Cisco and hating every minute. I seem to recall the snort documentation being pretty good, but I was familiar with the concepts already when I started using it.
posted by cmonkey 06 April | 01:11
Or you could use a silent penultimate panel.
posted by wendell 06 April | 02:39
I read it. I wept. || Changes...

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