Re: OSPF Routing

From: Joe Martin (jmartin@xxxxxxx)
Date: Thu May 04 2000 - 22:02:04 GMT-3


   
You are correct. I've just done the following test and shows that OSPF
*WILL* summarize out of its domain. Thanks for the correction. Nnanna, I
didn't see the route to null that you said would be generated by the router.
Maybe a different version of code thing?

hostname R1_joe
!
ip subnet-zero
!
interface Loopback0
 ip address 192.168.10.1 255.255.255.224
 ip ospf network point-to-point
!
interface Loopback1
 ip address 192.168.10.65 255.255.255.240
 ip ospf network point-to-point
!
interface Loopback2
 ip address 192.168.10.97 255.255.255.248
 ip ospf network point-to-point
!
interface Serial1/0
 ip address 192.168.2.1 255.255.255.0
 no fair-queue
!
router ospf 1
 network 0.0.0.0 255.255.255.255 area 0
!
ip classless

Gateway of last resort is not set

     192.168.10.0/24 is variably subnetted, 4 subnets, 4 masks
C 192.168.10.96/29 is directly connected, Loopback2
C 192.168.10.64/28 is directly connected, Loopback1
C 192.168.10.0/27 is directly connected, Loopback0
O 192.168.10.192/26 [110/65] via 192.168.2.2, 00:05:03, Serial1/0
C 192.168.2.0/24 is directly connected, Serial1/0

----------------------------------

hostname R2_joe
!
ip subnet-zero
!
interface Loopback0
 ip address 192.168.10.254 255.255.255.192
 ip ospf network point-to-point
!
interface FastEthernet0/0
 ip address 192.168.1.2 255.255.255.0
 duplex auto
 speed auto
!
interface Serial1/0
 ip address 192.168.2.2 255.255.255.0
 no fair-queue
!
router ospf 1
 summary-address 192.168.10.0 255.255.255.0
 network 192.168.2.2 0.0.0.0 area 0
 network 192.168.10.254 0.0.0.0 area 0
!
router igrp 1
 redistribute ospf 1 metric 64000 20000 1 255 1500
 network 192.168.1.0
!
ip classless

Gateway of last resort is not set

     192.168.10.0/24 is variably subnetted, 4 subnets, 4 masks
O 192.168.10.96/29 [110/65] via 192.168.2.1, 00:06:56, Serial1/0
O 192.168.10.64/28 [110/65] via 192.168.2.1, 00:06:56, Serial1/0
O 192.168.10.0/27 [110/65] via 192.168.2.1, 00:06:56, Serial1/0
C 192.168.10.192/26 is directly connected, Loopback0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
C 192.168.2.0/24 is directly connected, Serial1/0

---------------------------------

hostname R3_joe
!
ip subnet-zero
!
interface Ethernet0/0
 ip address 192.168.1.3 255.255.255.0
!
router igrp 1
 network 192.168.1.0
!
ip classless

Gateway of last resort is not set

I 192.168.10.0/24 [100/1600] via 192.168.1.2, 00:01:10, Ethernet0/0
C 192.168.1.0/24 is directly connected, Ethernet0/0
I 192.168.2.0/24 [100/8576] via 192.168.1.2, 00:01:10, Ethernet0/0

Thanks all,
    JOE

----- Original Message -----
From: "Dave Gingrich" <Dave@dcg.org>
To: "Joe Martin" <jmartin@gte.net>
Cc: "Nnanna Obuba" <obuba@bellatlantic.net>; <wyan@ca.ibm.com>;
<ccielab@groupstudy.com>
Sent: Thursday, May 04, 2000 7:55 AM
Subject: Re: OSPF Routing

> At 07:05 5/4/00 -0700, Joe Martin wrote:
> >That may be true, but from what I'm told for the CCIE lab is that NO
STATIC
> >ROUTES. This includes routes to null and any system generated routes.
>
> Not true. Static routes show up in the the routing table as type S, and
> are manually entered with the IP ROUTE command. Routes due to OSPF
summary
> address statements are OSPF routes and are allowed under the "no static"
> restriction. In fact, that is the point of the of the "no static"
> restriction.
> =========================
> David C. Gingrich, K9DC
> Indianapolis, Indiana
> Dave@dcg.org
> =========================
>



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