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Re: [moonv6] /120 prefix length at UNH
From: Alain Durand (Alain.Durand@Sun.COM)
Date: 10/15/03
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moonv6 post from Alain Durand <Alain.Durand@Sun.COM>
On Wednesday, October 15, 2003, at 05:22 PM, Bound, Jim wrote:
>
> You are missing the point. If I send packet out my IP interface that
> has a valid EUI 64 lower bits. The router will forward that packet
> based on some bits of the full address. A /120 policy simply says
> forward the packet only based on the left most 8 bits. That policy has
> nothing to do with or interferes with the requirements for the end
> nodes
> EUI 64.
I understand your point: once on the wire, any packets looks like it has a
valid EUI64 lower bit, I fully agree with your statement that forwarding based
on the 8 left most bits is not a problem.
However, my concern is elsewhere.
At each end of each point to point link, there would be an interface.
If /120 prefixes are use to number point to point links, those
interfaces would be configured
with addresses that use only 8 bits for interface ID. This is where the
violation of 3513 is.
- Alain.
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