From: Kenneth Wygand (KWygand@customonline.com)
Date: Sun Mar 21 2004 - 13:02:04 GMT-3
Richard,
 
So are you saying if you want to redistribute an OSPF external route and you match it with a prefix-list through a Route Map, you don't need to specify the "external" keyword even if the route specifically matched is external?
 
Thanks,
Ken
        -----Original Message----- 
        From: nobody@groupstudy.com on behalf of Richard Dumoulin 
        Sent: Sat 3/20/2004 4:41 AM 
        To: Packet Man; alsontra@hotmail.com; ccielab@groupstudy.com 
        Cc: 
        Subject: RE: Lab Tips - Redist OSPF into another Protocol
        
        
        I believe this is for ospf although for isis it's a good idea to be as
        specific as possible too.
        
        So for ospf, the command "redistribute ospf 2 match internal external 1
        external 2" can be used. But the recommended way is to explicitly state the
        network one wants to redistribute into BGP with a prefix-list and a
        route-map. Here the "match internal external " is not needed,
        
        --Richard
        
        -----Mensaje original-----
        De: Packet Man [mailto:ccie2b@hotmail.com]
        Enviado el: sabado, 20 de marzo de 2004 1:53
        Para: Richard Dumoulin; alsontra@hotmail.com; ccielab@groupstudy.com
        Asunto: RE: Lab Tips - Redist OSPF into another Protocol
        
        
        Hey Richard,
        
        Good Tip - That's just the sort of thing I imagined when starting this
        thing.
        
        But,  couldn't that tip be more generalized ie. when redist ospf into any
        prot  or is this specific to redist into BGP only?
        
        
	>From: Richard Dumoulin <richard.dumoulin@vanco.es>
	>To: Packet Man <ccie2b@hotmail.com>, alsontra@hotmail.com,
	>ccielab@groupstudy.com
	>Subject: RE: Lab Tips - ISDN
	>Date: Sat, 20 Mar 2004 00:41:21 -0000
	>
	>I have been spending two hours trying to figure out why my ospf external
	>route was not getting redistributed into BGP.
	>So TIP:
	>
	>  By default, when redistributing ospf into BGP only internal ospf routes
	>will go into BGP. Remember the external option !!
	>
	>--Richard
	>
	>-----Mensaje original-----
	>De: Packet Man [mailto:ccie2b@hotmail.com]
	>Enviado el: viernes, 19 de marzo de 2004 23:37
	>Para: alsontra@hotmail.com; ccielab@groupstudy.com
	>Asunto: Re: Lab Tips - ISDN
	>
	>
	>Hey Alsontra,
	>
	>That's a GREAT tip.  I wasn't even aware of those commands.  sounds like
	>they can be very useful.  But, what the difference and benefit between
	>using
	>
	>this method and using the old method (pinging the remote BRI interface)?
	>
	>
	> >From: <alsontra@hotmail.com>
	> >To: "Packet Man" <ccie2b@hotmail.com>,<ccielab@groupstudy.com>
	> >Subject: Re: Lab Tips - ISDN
	> >Date: Fri, 19 Mar 2004 16:19:41 -0800
	> >
	> >ISDN:TIP
	> >
	> >1.After making your initial ISDN configs, use the "isdn test call
	>interface
	> >bri (DN#)" command to verify that your interface working properly.
	> >   Also, use the "isdn test call disconnect interface bri all" instead of
	> >"clear int bri 0/0". The latter command can cause problems with the isdn
	> >switch that may cause you problem later on.
	> >2. If your using dialer interfaces make sure to use either ppp or dialer
	> >caller to identify the calling party(by name or number).
	> >
	> >Shootin from the hip here, so forgive the typos...
	> >
	> >Alsontra-
	> >
	> >
	> >
	> >----- Original Message -----
	> >From: "Packet Man" <ccie2b@hotmail.com>
	> >To: <ccielab@groupstudy.com>
	> >Sent: Thursday, March 18, 2004 1:58 PM
	> >Subject: Lab Tips
	> >
	> >
	> > > Hi all,
	> > >
	> > > I've created a "Lab Tips" file of small items - factoids, reminders,
	> > > suggestions, etc,  I tend to forget. This is something I can refer to
	> > > constantly when I'm doing practice labs or just have a few minutes to
	> >spare.
	> > >
	> > > Here's a snippet from my Tips file.
	> > >
	> > > BGP
	> > > Hard code router-id
	> > > Don't use loopbacks for ibgp peering unless explicitly required
	> > > Look for nei ... next-hop-self requirement especially on F/R hub and
	> > > ethernets
	> > > Disable bgp client to client reflection when clients are fully meshed
	> > > Turn off auto-sum & sync unless explicitly required
	> > > Reset BGP sessions using hard reset rather than soft reset.
	> > > Know how to config nei xxxx local-as in combo with RR.
	> > > Know all ways to config dampening
	> > >
	> > > I'm sharing this with GS because I suspect many candidates might also
	> >have
	> > > something like this.  And, I thought that with all the great brain
	>power
	> > > among GS subscribers we could all help each other by adding tips to
	>such
	>
	> >a
	> > > file.
	> > >
	> > > Here's my definition of what makes for a good tip.
	> > >
	> > > 1)  A tip may not in any way violate the NDA
	> > > 2)  A good tip should be something that might be easily forgotten
	> >because
	> > > it's not that often encountered or somehow different from the
	>ordinary.
	> >For
	> > > example,  when configuring ISIS over frame relay, don't forget to
	>enter
	> >the
	> > > "fram map clns <dlci> broadcast" statement.  For me, this is a good
	>tip
	> > > because I personally don't practice ISIS that often and I seem to
	>almost
	> > > always forget that command.
	> > >
	> > > 3) A good tip must be short and clear because the whole idea behind
	>this
	> > > file is to provide a quick reminder of various networking facts that
	>can
	> > > come in handy during the actual lab.
	> > >
	> > > 4) A good tip must should not waste time going into the "why" of the
	> >fact
	> >or
	> > > all the various permutations.  For that, anyone interested can
	>research
	> >the
	> > > "why" of the fact on their own.
	> > >
	> > > 5) A good tip for one person might not be at all useful to someone
	>else.
	> >We
	> > > each tend to remember and forget different things.  But, for example,
	> >over
	> > > time the BGP tips section may include 30 items and while I doubt all
	>30
	> > > items will be useful to all people, I'm sure that 5 or 10 or 15 of the
	> >tips
	> > > will be useful to many people - just that it won't be the same 5 or 10
	> >or
	> >15
	> > > tips.
	> > >
	> > > 6) A good tip must be potentially relevant to a ccie R&S candidate.
	> > > Therefore, I ask that Off Topic comments be submitted elsewhere -
	>Let's
	> >keep
	> > > posts with the subject "Lab Tips" focus on just that.
	> > >
	> > > It's my hope that over time, with the input of a lots of people here,
	> >this
	> > > lab tips file will grow to include tips that cover every topic
	> >potentially
	> > > on the R&S lab exam.  And, that as a result, we can each add the most
	> > > personally valuable tips from this group effort to our own lab tips
	> >file.
	> > >
	> > > Right now, my tips file has no entries for voice.  So, I'd like to
	>start
	> >off
	> > > by asking people to submit their voice config tips. Of course, tips on
	> >any
	> > > potential lab are also welcomed.
	> > >
	> > > Here are some other potential tips topics I hope people feel free to
	> >submit
	> > > tips to.
	> > >
	> > > Redistribution
	> > >
	> > > ATM
	> > >
	> > > 3550
	> > >
	> > > OSPF
	> > >
	> > > NAT
	> > >
	> > > HSRP
	> > >
	> > > F/R
	> > >
	> > > ISDN
	> > >
	> > > QOS
	> > >
	> > > Multicast
	> > >
	> > > NTP
	> > >
	> > > Voice
	> > >
	> > > Eigrp
	> > >
	> > > Please add your tip under the appropriate heading and send back to GS.
	> > >
	> > > Hope this helps lots of people.
	> > >
	> > > Packet Man
	> > >
	> > > _________________________________________________________________
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