Re: OSPF ACROSS L2/L3 Etherchannel

From: James Ventre (messageboard@ventrefamily.com)
Date: Tue May 09 2006 - 10:02:39 ART


>Could be due to more bandwidth.

You get the same bandwidth with equal cost routes as you do with
etherchannel.

Was this from a mock lab (or workbook) or is this a real life thing?

James

mani poopal wrote:

  The requirement is to use the etherchannel. Could be due to more
  bandwidth. Mani

  James Ventre <messageboard@ventrefamily.com> wrote:

    I may have missed the earlier part of this thread - but why not
    do 2
    separate routed links and let OSPF load balance across them? It
    seems
    to be much simpler and eliminates etherchannel (fewer things to
    break).

    James

    mani poopal wrote:
> Hi Group,
>
> A quick question
> First 3550(int vlan 5=10.10.10.1, lo0=11.11.11.11) is connected
    to another 3550(interface vlan 5=10.10.10.2,
    lo0=12.12.12.12)(Etherchannel). Both swithces are bundled togeter
    through Etherchannel. If we run ospf on both swithces, there
    should be ospf neighbor relationship between both switches. Now
    the question is what is the difference/advamtage between L2
    etherchannel vs L3 etherchannel. I don't have 2 3550's to test
    the configuration.
>
> First 3550:
> router ospf 1
> network 10.10.10.0 0.0.0.255 a 0
> network 11.11.11.11 0.0.0.0 a 0
>
> Second 3550:
> router ospf 1
> network 10.10.10.0 0.0.0.255 a 0
> network 12.12.12.12 0.0.0.0 a 0
>
> thanks
>
> Mani
>
>
> B.ENG,MCSE,CCNP,CCSP,CCIE#14645
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