From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Wed Jul 11 2007 - 08:12:23 ART
I wonder if it should be no default-information in.
Gary
----- Original Message -----
From: "Ben" <bmunyao@gmail.com>
To: "Salau, Yemi" <yemi.salau@siemens.com>
Cc: <dayo@ademuyiwa.com>; "Cisco certification" <ccielab@groupstudy.com>
Sent: Wednesday, July 11, 2007 11:32 AM
Subject: Re: How is default-information command under router eigrp used?
> Yemi,
> Thanks for responding. Here's an attempt at putting your explanation into
> a
> scenario
>
>
> 10.1.1.1 10.1.2.1 10.1.2.2
> 10.1.3.1
> ----eigrp10------(f0/0)R1(s0/0)-----------eigrp10-------------(s0/0)R2(f0/0)---eigrp20--
>
> R1
> int f0/0
> ip add 10.1.1.1 255.255.255.0
> int s0/0
> ip add 10.1.2.1 255.255.255.0
> ip summary-add eigrp 100 0.0.0.0 0.0.0.0
> router eigrp 10
> net 10.1.2.1 0.0.0.0
> net 10.1.1.1 0.0.0.0
>
> R2
> int f0/0
> ip add 10.1.3.1 255.255.255.0
> int s0/0
> ip add 10.1.2.2 255.255.255.0
> router eigrp 10
> net 10.1.2.2 0.0.0.0
> redistr eigrp 20
> router eigrp 20
> net 10.1.3.1 0.0.0.0
> redistr eigrp 10
> no default-originate out
>
> R2 is receiving a default from R1 on process eigrp10, and redistributing
> to
> process eigrp20. Would the use of this command as indicated then prevent
> R2
> from sending the default into eigrp20? If yes, how do ACLs fit in?
>
> Ben
>
>
> On 7/11/07, Salau, Yemi <yemi.salau@siemens.com> wrote:
>> Normally and by default, exterior routes are always accepted and default
>> information is passed between EIGRP processes when redistribution
>> occurs. i.e you have the command turned on: "default-information in" but
>> hidden in the IOS I believe.
>>
>> Let's say redistributing RIP or another EIGRP Process A into another
>> EIGRP Process B, by default all the external routes and default
>> information goes into the EIGRP Process B, but you can use this command
>> {"no default-information in/out"} to suppress or not accept exterior or
>> default routing information in incoming or outbound updates. In other
>> words, you can stop your EIGRP Process from receiving or sending out
>> exterior updates and default routes.
>>
>> Hope this helps ... :-)
>>
>> Many Thanks
>>
>> Yemi Salau
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Ben
>> Sent: Wednesday, July 11, 2007 10:28 AM
>> To: dayo@ademuyiwa.com; Cisco certification
>> Subject: Re: How is default-information command under router eigrp used?
>>
>> Dayo,
>>
>> Thanks for responding.
>>
>> In eigrp, the syntax for this command is:
>>
>> router eigrp 100
>> default-information {allowed[in|out]|in|out [acl]}
>>
>> I'm having trouble figuring out how to use it, and scenarios that apply.
>>
>> Ben
>>
>>
>>
>> On 7/11/07, dayo@ademuyiwa.com <dayo@ademuyiwa.com> wrote:
>> >
>> > Do you mean default information originate?
>> >
>> > On 7/11/07, Ben <bmunyao@gmail.com> wrote:
>> > > Hi
>> > >
>> > > I cann't seem to make sense of how to use the "default-information"
>> > command
>> > > under EIGRP. Does anyone here have examples of its usage that might
>> help
>> > me
>> > > digest this command.
>> > >
>> > > TIA
>> > >
>> > > Ben
>> > >
>> > >
>> _______________________________________________________________________
>> > > Subscription information may be found at:
>> > > http://www.groupstudy.com/list/CCIELab.html
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sat Aug 18 2007 - 08:17:40 ART