From: John Matus (jmatus@pacbell.net)
Date: Sat Dec 02 2006 - 13:48:38 ART
hey guys,
trying to deal w/ a real world scenario.
just the background. someone in my company plugged both ends of a cat5 into
a linksys switch that attached to our access layer switches which brought
down our whole network. it toasted 2 3500 plus our core router. ICK.
luckily not under my juristiction........
but, after analyzing the topology there does not seem to be an
access-distribution-core design in place that would stop broadcast storms or
things of this nature from occuring...
we have a NY site connnecting to an LA site via MPLS. so on each end there
is a router>>pix>> core-switch>> access layer switches. this does not seem to
jive to me. shouldn't there be a layer 2-3-2 type of setup here?
i would think that all nodes should attache to access switches. the access
switches connect to either a router or a MLS......but then i'm a bit fuzzy how
the router would attach to the core and how this site's 2-3-2 architecture
would connect to the east-coast's 2-3-2 architecture. if the core is just
supposed to switch traffic as fast as possible then that, i would think, would
only be located on each site, and not connected between sites thru MPLS....
i guess my main question is, do we implement a core (#1) and #2, do the remote
sites connect through the distribution layer?
TIA
<i don't design networks.....i just do labs :-)
John D. Matus
MCSE, CCNP
Home (818) 782-2061
Work (626) 568-7716
Cell (818) 430-8372
jmatus@pacbell.net
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