Great explaination. I just had issues with not being able to use my .32
network address but now I see why.I am taking the road to CCIE very
carefully and try to understand exactly why things are the way they are.
That is why I love working on the networking end of things; There is a
definitive rea
nal Message-
From: Michael Witte [mailto:[EMAIL PROTECTED]]
Sent: Sunday, May 19, 2002 3:08 PM
To: [EMAIL PROTECTED]
Subject: Re: OSPF inter-area summarization [7:44465]
Larry,
I had the idea right to use 255.255.255.192 mask because that is where the
bit boundary is. My question is why can&#
Larry,
I had the idea right to use 255.255.255.192 mask because that is where the
bit boundary is. My question is why can't you use the 137.20.1.32/26 to
summarize from 32-95. What if you had a subnet zero and didn't want that
summarized. Why do I have to use the 137.20.1.0 network for summarizati
When specifying the summary address, you need to use the network address of
the summarization
The address you specified is within the summary, its just not the network
address.
Appling the mask against your address :
0010=32
1100=192
-
00xx=0
Remember 1's we care about, 0's
Michal Witte
Try using area 11 range 137.20.1.0 255.255.255.192 instead.
Hope that works.
Schwantz
""Michael Witte"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I am trying to do a lab that needs a inter-area ospf summary address
> configured
> I have two loopbacks 137.20
>I am trying to do a lab that needs a inter-area ospf summary address
>configured
>I have two loopbacks 137.20.1.17/28 and 137.20.1.33/28. These are then of
>course on networks 137.20.1.16 and 137.20.1.32. Taking the last octet of the
>subnets into binary we have:
>
>16= 0001
>32= 0010
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