From: Heiko Liedtke (heiko.liedtke@gmx.net)
Date: Wed Aug 02 2006 - 03:46:28 ART
Thanks a lot for all your answers.
Knowing the fact, that I am not allowed to use any static routes in the
exam,
the redistribution of a default route from another routing protocol (.eg
BGP)
and the use of ip summary-address seems to me the best solutions for this.
Thanks again for your comments..
Heiko
##Cham schrieb:
> Hi,
>
> The "default-information in/outo - This command is NOT the same as in
> OSPF or RIP, as RIP & OSPF let the local device ORIGINATE a default
> route. The command in EIGRP allows the control of a DEFAULT ROUTE
> only.
>
> There are few ways I can think of generating a default route in EIGRP
>
> 1) "Summary-address"
> (interface) ip summary-address eigrp 100 0.0.0.0 0.0.0.0 5 o applied
> on an interface, so a default summary route is sent to the
> corresponding neighbor. Also, take note that the route creating this
> summary-address also creates a "discard route" in the routing table to
> NULL0
>
> 0.0.0.0/0 is a summary, 00:02:01, Null0 o - by default
>
> This also happens in OSPF when doing a area range/summary-address, but
> you can remove it with the "no discard route internal/external" Under
> EIGRP application of a floating distance removes the null route from
> the table.
>
> 2) "ip route 0.0.0.0 0.0.0.0" + "redistribute static"
>
> ip route 0.0.0.0 0.0.0.0 null 0 o - creates a static route
> redistribute static metric 10000 10000 255 1 1500 o -redistributes the
> static route into EIGRP as an external route with an AD of 170
>
> Also you must specify the metric when redistributing with EIGRP.
> Remember you can't create static routes in the exam.
>
> The "ip default-network X.X.X.X"
>
> The network being flagged as a default must be a CLASSFUL network. Any
> routes not known will be sent towards this FLAGGED default route. If
> you flag a subnet (non-classful network) you will see a static route
> appear in the config, this is not what you want.
>
> If you DO NOT have a classful network in your routing table to point
> the "default-network" command to. Create a summary route on the
> upstream neighbour to advertise a CLASSFUL network down to you then
> try the command again.
>
> HTH
>
> Cham
>
> On 8/1/06, KulcsC!r AndrC!s BenjC!min <Kulcsar.Andras@kfki-lnx.hu> wrote:
>
>> Hi,
>> I think you can do ip summary address eigrp to 0.0.0.0 0.0.0.0 on the
>> proper interface(s) to achieve that.
>>
>> Best regards,
>> Andras
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
>> Of Heiko Liedtke
>> Sent: Tuesday, August 01, 2006 6:01 PM
>> To: ccielab@groupstudy.com
>> Subject: default routes in EIGRP
>>
>>
>> Hello together,
>>
>> I am looking for a simple way to create a default-route in eigrp. Is
>> there any similar command like "default-information generate always"
>> Or do I have to create a static default route and redistribute?
>>
>> Any comments are welcome
>>
>> Heiko
>>
>>
>> --
>>
>>
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