From: Justin Cook (Justin.Cook@xxxxxxxxxxxxxxxxxx)
Date: Tue Aug 20 2002 - 18:10:12 GMT-3
>From what I understand is that static routes are not allowed unless the
questions states you can use one.
So in the lab the question may state you are allowed one static route or
something similar
-----Original Message-----
From: Roger Huang [mailto:rhuang@i-telco.com]
Sent: Tuesday, 20 August 2002 5:40 p.m.
To: ccielab@groupstudy.com
Subject: Redistribute OSPF and RIP
Hi all,
I have a couple of questions about Doyle Page 739 #2 exercise
1. The solution doyle gave is to add a static route on RtrB
ip route 172.16.1.128 255.255.255.224 e0
I understand that on CCIE R&S test, static route is not allowed. Then
is this solution valid?
2. On RtrA, the OSPF router, I am using the following on its e0
!
interface Ethernet0
ip address 172.16.1.129 255.255.255.240 secondary
ip address 172.16.1.161 255.255.255.240 secondary
ip address 172.16.1.193 255.255.255.240 secondary
ip address 172.16.1.225 255.255.255.240 secondary
ip address 172.16.1.145 255.255.255.240
no ip route-cache
no ip mroute-cache
end
The on RtrB, interface e1, I am trying to summurise the subnets to a /27
net using
(config-if)#ip sum rip 172.16.1.224 255.255.255.224
but if I type one more summary,
(config-if)#ip sum rip 172.16.1.128 255.255.255.224
It shows error
IP-RIP:No summary for 172.16.1.128/27.Summary 172.16.1.224/27
already on interface
Why? 172.16.1.128/27 and 172.16.1.224/27 do not overlap. I believe using
loopback interfaces will solve the problem, but why is this happening?
Thanks.
Roger
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