From: Brett Lewis (brett_lewis_666@msn.com)
Date: Tue Apr 08 2003 - 16:59:31 GMT-3
Surely it is easy to think of it as just a grouping of physical connections
that can either carry a single VLAN (Access Link) or a number of VLANs
(Trunk)????? I think the name L3 trunk is a tad misleading.
People may disagree but that is my opinion.
Brett Lewis
>From: Tim Fletcher <tim@fletchmail.net>
>Reply-To: Tim Fletcher <tim@fletchmail.net>
>To: "wsqccie@hotnail.com" <wsqccie@hotmail.com>
>CC: ccielab@groupstudy.com
>Subject: Re: Layer 3 etherchannel
>Date: Tue, 08 Apr 2003 11:21:56 -0400
>
>Just think of an ether channel as multiple physical links combined into a
>single logical link. So just like we can make a single port either a L2 or
>a L3 port, we can do the same with an ether channel.
>
>-Tim Fletcher #11406
>
>At 06:34 PM 4/8/2003 +0800, wsqccie@hotnail.com wrote:
>>Hi all
>> still do not clera understand, pls explian when I need to use l2
>>ethernet or l3 and why
>>----- Original Message -----
>>From: "Pratt, Jeremy" <JPratt@coh.org>
>>To: "'Jeff Szeto'" <jytszeto@hotmail.com>; "Donny MATEO"
>><donny.mateo@sg.ca-indosuez.com>; "OhioHondo" <ohiohondo@columbus.rr.com>;
>>"Teck PhrEAk!!" <phreakinphunk@hotmail.com>
>>Cc: <ccielab@groupstudy.com>
>>Sent: Tuesday, April 08, 2003 12:27 AM
>>Subject: RE: Layer 3 etherchannel
>>
>>
>> > Just remember that you have to have different subnets on each side of
>> > the L3
>> > channel or your routers wont handle things too well.
>> >
>> > -----Original Message-----
>> > From: Jeff Szeto [mailto:jytszeto@hotmail.com]
>> > Sent: Friday, April 04, 2003 5:04 AM
>> > To: Donny MATEO; OhioHondo; Pratt, Jeremy; Teck PhrEAk!!
>> > Cc: ccielab@groupstudy.com
>> > Subject: Re: Layer 3 etherchannel
>> >
>> >
>> > Thank you for your help.
>> >
>> > What I have learnt now is,
>> >
>> > Layer 3 and Layer 2 etherchannel both aggregate bandwidth. However, the
>> > layer 3 one can only associated with 1 vlan while the layer 2 one can
>> > also
>> > become a trunk link. So, it my network is a flat network, using layer 3
>> > etherchannel is better as it avoid the spanning tree problem.
>> >
>> > Jeff
>> > ----- Original Message -----
>> > From: "Donny MATEO" <donny.mateo@sg.ca-indosuez.com>
>> > To: "Szeto Jeff" <jytszeto@hotmail.com>
>> > Cc: <ccielab@groupstudy.com>; <nobody@groupstudy.com>
>> > Sent: Friday, April 04, 2003 9:32 AM
>> > Subject: Re: Layer 3 etherchannel
>> >
>> >
>> > >
>> > > Not sure I get your point.
>> > >
>> > > On one side you use etherchannel, and the other side you use
>> > etherchannel.
>> > Same technology so what's the difference ?
>> > >
>> > > If you want to bundle bandwitdh you use etherchannel. Whether you use
>> > the
>> > virtual etherchannel interface for trunking or for L3 routing that is a
>> > matter of what your need are.
>> > > If you are talking about design on whether a L3 capable switch be
>> > configured with terminating the VLAN locally or run them through a
>>trunk
>> > port, that is an entirely different question and still depends on what
>> > your
>> > need.
>> > >
>> > > Donny
>> > >
>> > >
>> > >
>> > > "Szeto Jeff"
>> > > <jytszeto@hotmail To:
>> > ccielab@groupstudy.com
>> > > .com> cc:
>> > > Sent by: Subject: Layer 3
>> > etherchannel
>> > > nobody@groupstudy
>> > > .com
>> > >
>> > >
>> > > 03-04-2003 21:53
>> > > Please respond to
>> > > "Szeto Jeff"
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > Hi Group,
>> > >
>> > > Could someone explain when should I use layer 3 etherchannel? What
>> > makes
>> > it
>> > > better than layer 2?
>> > >
>> > > Thank you very much.
>> > >
>> > > Jeff
>> > >
>> > >
>> > >
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o think of the
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