Re: Something New (the myths we believe)

From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Wed Oct 13 2004 - 19:01:39 GMT-3


What do you mean by ppp authentication not being a two way process ?

Brian McGahan wrote:

> Better yet that you can't remove a line out of a numbered access-list
> without destroying and recreating the entire list. (you can)
>
> "no arp frame-relay" stops inverse-arp replies (it doesn't)
>
> ppp authentication is a two way process (it's not)
>
> Don't start listing these behaviors as "gotchas" though, they
> are simply technologies that the fundamental behaviors are
> misunderstood. Most of these "myths" can be eliminated by simply trying
> the configuration out and seeing how it works firsthand on the command
> line.
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
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>
>
>>-----Original Message-----
>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
>
> Of
>
>>Gene Thorne
>>Sent: Wednesday, October 13, 2004 12:12 PM
>>To: ccielab@groupstudy.com
>>Subject: RE: Something New (the myths we believe)
>>
>>My favorite myth is that static routes pointing to an interface have
>
> an
>
>>admin distance of 0, not 1.
>>
>>-----Original Message-----
>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>>Joe Rinehart
>>Sent: Wednesday, October 13, 2004 12:02 PM
>>To: ccielab@groupstudy.com
>>Subject: Something New (the myths we believe)
>>
>>
>>Just when you think you have things halfway figured out you realize
>
> how
>
>>far
>>off your perceptions can be. I had two "revelations" while working on
>
> the
>
>>Netmaster DoIt lab #1 (its pretty grueling, in a good way). There
>
> were
>
>>two
>>things that really bit me because I thought I knew these for
>
> certain....
>
>>Myth#1 A Catalyst 3550 cannot do BGP.
>>
>>When the lab asked for this I thought it was a joke, and to be honest
>
> I
>
>>cannot remember where I picked this idea up, but a quick check on the
>
> doc
>
>>CD
>>and I found my face turning red (proverbially speaking). I think I
>
> was
>
>>relying on a "features not supported" on one of the CCIE Cisco Press
>
> study
>
>>books... In any case there are some limitations but it does indeed
>>support
>>BGP....
>>
>>Myth#2 Subinterfaces cannot coexist with natural interfaces on the
>
> same
>
>>physical interface.
>>
>>This one blew me away. When I read the question I figured it was one
>
> of
>
>>those "trick answers" that just had to be interpreted, so I did a
>>multipoint
>>subinterface and a point to point subinterface. When I was working
>
> though
>
>>the answer key I was rather taken aback to see that it was on the
>
> physical
>
>>interface. Still a skeptic, I removed the multipoint subinterface,
>
> put
>
>>the
>>code on the main interface (leaving the P2P subif) and then reloaded
>
> the
>
>>router. I was shocked it worked.
>>
>>I think my reason for posting this is just to see if there have been
>
> any
>
>>other experiences like this for other folks and what those assumptions
>>were.
>>After all, there is a saying about assume.....
>>
>>Joe Rinehart, CCNP, CCDP
>>Data Network Consultant, AT&T Corporation
>>Pacific Northwest Enterprise Markets
>>
>>
>
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-- 
Carlos G Mendioroz  <tron@huapi.ba.ar>  LW7 EQI  Argentina


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