From: Denise Donohue (fradendon@xxxxxxxx)
Date: Mon Aug 27 2001 - 22:58:59 GMT-3
You piqued my curiosity, since I've only used this with serial connections.
In my tests of this, the router arps for the destination mac address, and
the router on the other end replies with its address. The first router then
adds that ip and mac address mapping to the arp table. So, yes, I guess
that the table could get full quickly.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Mike Schlenger
Sent: Monday, August 27, 2001 1:28 PM
To: 'afiddler'
Cc: 'ccielab@groupstudy.com'
Subject: RE: default orignate
I guess I see why it works but why would it EVER be configured this way?
Configuring "ip route 0.0.0.0 0.0.0.0 E0/0" is so the router will treat all
of the destinations that the router does not know how to reach through some
other route(in the routing table) as directly connected to E0/0. So the
router should send an ARP request for each host that it receives packets for
on this network segment? I would think that this would kill a router! The
arp tables would be huge! Am I off on this? Like I said, I'm probably making
this a bigger deal then it really is but if there are good design strategies
that I'm not taking advantage of, I WANT TO KNOW!!! If I were a proctor, and
my thoughts are somewhat close, I would take points off for bad design :)
Mike
Mike Schlenger
CCIE #7079
-----Original Message-----
From: afiddler [mailto:afiddler@wi.rr.com]
Sent: Thursday, August 23, 2001 10:52 PM
To: Mike Schlenger
Subject: Re: default orignate
This is what I have tried in the past:
router eigrp 1
network 10.0.0.0
network 11.0.0.0
network 12.0.0.0
network 0.0.0.0
no auto-summary
eigrp log-neighbor-changes
!
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0
1750_L# sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Serial0
12.0.0.0/24 is subnetted, 1 subnets
C 12.0.0.0 is directly connected, FastEthernet0
13.0.0.0/24 is subnetted, 1 subnets
D 13.0.0.0 [90/20514560] via 10.0.0.2, 00:04:37, Serial0
S* 0.0.0.0/0 is directly connected, FastEthernet0
1750_R#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 10.0.0.1 to network 0.0.0.0
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Serial0
11.0.0.0/24 is subnetted, 1 subnets
C 11.0.0.0 is directly connected, Async5
12.0.0.0/24 is subnetted, 1 subnets
D 12.0.0.0 [90/20514560] via 10.0.0.1, 00:05:05, Serial0
13.0.0.0/24 is subnetted, 1 subnets
C 13.0.0.0 is directly connected, FastEthernet0
D* 0.0.0.0/0 [90/20514560] via 10.0.0.1, 00:05:05, Serial0
----- Original Message -----
From: "Mike Schlenger" <mschlenger@n2nsolutions.com>
To: "'Denise Donohue'" <fradendon@home.com>; "'Conte, Charles'"
<Charles.Conte@nasd.com>; <ccielab@groupstudy.com>
Sent: Thursday, August 23, 2001 4:40 PM
Subject: RE: default orignate
> Wow...this is very interesting. Obviously there is more then one way to
skin
> a cat. I am a bit skeptical of this answer though...can you post your
> routing table? I'm curious as to how your EIGRP neighbors view this. It
> looks weird to me. I'm certainly not flaming you on this...it just perked
my
> interest. I'm going to set this up at home later...
>
> Mike
>
>
> Mike Schlenger
> CCIE #7079
>
> -----Original Message-----
> From: Denise Donohue [mailto:fradendon@home.com]
> Sent: Thursday, August 23, 2001 4:18 PM
> To: 'Conte, Charles'; ccielab@groupstudy.com
> Subject: RE: default orignate
>
>
> On the router that you want to sending out the default route, set up a
> static route of 0.0.0.0 0.0.0.0 <interface>. Send it out the interface,
do
> not put the next hop ip. Then under EIGRP, add the network 0.0.0.0.
>
> I was trying to figure that out myself yesterday and got help from a
friend.
> So if it's a stupid question, then we both are stupid questioners!
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Conte, Charles
> Sent: Thursday, August 23, 2001 10:37 AM
> To: 'ccielab@groupstudy.com'
> Subject: default orignate
>
>
> I have a stupid question. How do you inject a defaut route with eigrp?
> With OSPF you can use the default originate command but how is this done
> with EIGRP. Is it by redistributing a static route into EIGRP or is there
a
> simple command like default originate. Thanks
>
> Charles
> **Please read:http://www.groupstudy.com/list/posting.html
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