From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Mon Nov 14 2005 - 20:52:42 GMT-3
No not necessarily, it depends on what the question is asking
for.
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
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> -----Original Message-----
> From: Tim [mailto:ccie2be@nyc.rr.com]
> Sent: Monday, November 14, 2005 5:52 PM
> To: Brian McGahan; 'Jason Edelman (jaedelma)'; ccielab@groupstudy.com
> Subject: RE: 2 Questions
>
> Hey Brian,
>
> Of course, technically speaking you're right but I was coming from the
> point
> of view of the ccie lab.
>
> If this came up in the lab and the command wasn't configured on all
> routers,
> I'm pretty sure that would cause a loss of points. Do you agree?
>
> -----Original Message-----
> From: Brian McGahan [mailto:bmcgahan@internetworkexpert.com]
> Sent: Monday, November 14, 2005 6:44 PM
> To: Tim; Jason Edelman (jaedelma); ccielab@groupstudy.com
> Subject: RE: 2 Questions
>
> > What you DO have to remember re: using this command is that if you
use
> it
> > on
> > one ospf router, you must use it on all ospf routers in the domain
(or
> > maybe
> > in the area, I'm not 100% sure). Better double check that.
>
> Auto-cost is not exchanged during adjacency establishment. This
> means the value is locally significant and does not need to be
> consistent between devices. Do you want to keep it consistent in your
> network design? Probably. Do you need to? No.
>
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987 x 705
> Outside US: 775-826-4344 x 705
> 24/7 Support: http://forum.internetworkexpert.com
> Live Chat: http://www.internetworkexpert.com/chat/
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > Tim
> > Sent: Monday, November 14, 2005 5:33 PM
> > To: 'Jason Edelman (jaedelma)'; ccielab@groupstudy.com
> > Subject: RE: 2 Questions
> >
> > Jason,
> >
> > I once tried to memorize the auto-ref-bw formula but keep forgetting
> it
> > after a couple of weeks. Then I realized doing that was wasting too
> many
> > mental cpu cycles since that formula is right at the beginning of
the
> ospf
> > command reference.
> >
> > So, you're probably better off just checking the Doc-CD and that way
> > you're
> > not risking someone on GS telling you the wrong thing (by mistake).
> >
> > What you DO have to remember re: using this command is that if you
use
> it
> > on
> > one ospf router, you must use it on all ospf routers in the domain
(or
> > maybe
> > in the area, I'm not 100% sure). Better double check that.
> >
> > Re: Q 2 - I've tried using that ip dhcp-server command in a couple
IE
> > practice labs but never got it to work. I always needed to use the
ip
> > helper command instead. I also recall never being able to find out
> why
> > that
> > was. Was it the 2500's I was using? The IOS release? My just
> screwing
> > up?
> >
> > I never found out.
> >
> > HTH, Tim
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > Jason Edelman (jaedelma)
> > Sent: Monday, November 14, 2005 5:52 PM
> > To: ccielab@groupstudy.com
> > Subject: 2 Questions
> >
> > Hi all,
> >
> >
> >
> > Two questions:
> >
> >
> >
> > 1. In calculating the ospf metric for an etherchannel, is it
> > autorefbw / (sum of links in etherchannel)?
> >
> > So by default, with 2x 100Meg links in an etherchannel, would it be
> > 100Meg/200Meg, obviously yielding in a 1 for the OSPF cost. In this
> > situation, we would increase the refbw...
> >
> >
> >
> > 2. Has anyone seen the 'ip dhcp-server' command used in a situation
> > other than when configuring dhcp over PPP in the IPCP negotiation
> > process?
> >
> >
> >
> > Thanks,
> >
> > Jason
> >
> >
>
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