As Alan correctly points out, path cost is irrelevant in this case as intra
area routers will be preferred over inter.
>> We
>> tend to think that a small network could not be better served by
>> applying the same principles that we might use for a larger
>> environment. Why is that? Instead of letting the number of devices
>> determine the right solution (Or more properly, a good solution),
>> let's form a solution based on the specific requirements.
>>
>> A network with a small number of devices, but consisting of multiple
>> sites, and redundant links, presents a unique challenge. Forget the
>> number of devices, and look at both the physical topology, and the
>> problem that needs solving. BGPs powerful policy routing tools make
>> it a good fit for this environment, when viewed from a requirements
>> perspective.
>
>I think BGP is completely unecessary in this case.YES, splitting it into
>two
>ASes ans using eBGP would work (well), but i really think that modifying
>the
>path cost would be the right solution.
>remember that i never said eBGP wouldnt work. the initial discussion was
>about using BGP to do this in a SINGLE AS.
>
>...don't get all in a tizzy, i recognize that you have a good idea.
>I just don't like it =P
>
>/me ducks
>
>>
>> It's not the only solution, but it is a valid solution, and in my
>> opinion, it's a good solution.
>>
>> Alan
>>
>> ----- Original Message -----
>> From: "Peter I. Slow, CCNP Voice Specialist"
>> To: "W. Alan Robertson" ;
>>
>> Sent: Tuesday, May 29, 2001 1:02 PM
>> Subject: Re: Wanna Be a CCIE? Try This One [7:6076]
>>
>>
>> > Absolutely, but he has traffic going from one router to another,
>> it's not
>> > ever exiting the system.
>> > ...why would you want to break up an AS that small into two seperate
>> private
>> > ASes?
>> > besides... the OSPF routes are going to take precedence, not that
>> the admin
>> > dist. cant be changed, but ospf is 120, and BGP int routes are
>> 200....
>> > (right?)
>> >
>> > ----- Original Message -----
>> > From: "W. Alan Robertson"
>> > To: "Peter I. Slow, CCNP Voice Specialist" ;
>> >
>> > Sent: Tuesday, May 29, 2001 12:42 PM
>> > Subject: Re: Wanna Be a CCIE? Try This One [7:6076]
>> >
>> >
>> > > Peter,
>> > >
>> > > With all due respect, he doesn't have an IGP problem... He has a
>> > > routing problem, and would like the ability to influence the flow
>> of
>> > > traffic under certain circumstances to provide for better network
>> > > performance.
>> > >
>> > > After hearing a better explanation of the real issue, path
>> selection
>> > > for an International site, the use of BGP might go a long way
>> toward
>> > > solving the issue.
>> > >
>> > > He could very simply address his issues by breaking his OSPF into
>> two
>> > > seperate routing domains, and utilizing BGP as a means of
>> > > interconnecting them. He could manipulate the traffic through the
>> use
>> > > of something as simple as AS-path prepending, or the other
>> mechanisms
>> > > Chuck mentioned (local preference, weight, or meds).
>> > >
>> > > Routing protocols are but tools, a simple means to an end. Like
>> all
>> > > tools, each has it's strengths and weaknesses. Most important is
>> that
>> > > you select the right one for a given situation. In the absence of
>> > > more information, the use of BGP sounds like a pretty good
>> solution to
>> > > the given problem.
>> > >
>> > > Alan
>> > >
>> > > ----- Original Message -----
>> > > From: "Peter I. Slow, CCNP Voice Specialist"
>>
>> > > To:
>> > > Sent: Tuesday, May 29, 2001 11:29 AM
>> > > Subject: Re: Wanna Be a CCIE? Try This One [7:6076]
>> > >
>> > >
>> > > > next time you recomend using bgp to fix an IGP problem, im going
>> > > to.., well,
>> > > > uh, just dont do it again.
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