The TRILLing brain split

The split personality Cisco has exposed at Cisco Live 2010 is amazing: on one hand you have the Data Center team touting the benefits of Routing at Layer 2 (an oxymoron if Iíve ever seen one), on the other hand you have Russ White extolling the virtues of good layer-3 design in the CCDE training (the quote I like most: ìIt all meets at Layer 3 … thatís why CCDE is layer-3 centricî). If youíre confused, youíre not the only one, so letís try to analyze whatís going on.

TRILL: its a deja vu all over again

If youíre old enough to remember what ZX-81 was all about, youíll probably experience a weird sense of dÈj‡-vu when being exposed to the beauties of TRILL says Ivan Pepelnjak.

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