[88955] in North American Network Operators' Group
RE: Transit LAN vs. Individual LANs
daemon@ATHENA.MIT.EDU (Owen DeLong)
Sun Feb 26 00:23:54 2006
Date: Sat, 25 Feb 2006 21:23:16 -0800
From: Owen DeLong <owen@delong.com>
To: "Christopher L. Morrow" <christopher.morrow@verizonbusiness.com>,
"Neil J. McRae" <neil@DOMINO.ORG>
Cc: "'Patrick W. Gilmore'" <patrick@ianai.net>, nanog@merit.edu
In-Reply-To: <Pine.GSO.4.58.0602252008090.9741@marvin.argfrp.us.uu.net>
Errors-To: owner-nanog@merit.edu
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--On February 25, 2006 8:09:22 PM +0000 "Christopher L. Morrow"
<christopher.morrow@verizonbusiness.com> wrote:
>
>
> On Sat, 25 Feb 2006, Neil J. McRae wrote:
>
>>
>> > An argument could be made for individual VLANs to keep things
>> > like b- cast storms isolated. But I think the additional
>> > complexity will cause more problems than it will solve.
>>
>> Vlans will not stop all typres of broadcast storm.
>>
>
> So, perhaps I missed the earlier explanation, but why use switched
> segments at all? if the purpose is to connect routers to routers putting
> something that WILL FAIL in the middle is only going to increase your
> labor costs later :(
>
> So, for router-router links, GE doesn't have to mean switched...
Very true. In fact, GE is even easier because part of the GE standard
for UTP requires it to be Auto-MDI-Sensing (MDI vs MDI-X is handled
automatically in ALL compliant GE/TP interfaces). Thus, you can use
any eia-568[ab] cable, straight or crossed between them. (Note, USOC
cables still won't work, it has to be 568a or 568b pairing)
Owen
--
If it wasn't crypto-signed, it probably didn't come from me.
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