IP4 Space

Antonio Querubin tony at lava.net
Thu Mar 4 20:10:34 UTC 2010


On Thu, 4 Mar 2010, Thomas Magill wrote:

> 1.        Why don't providers use /31 addresses for P2P links?  This
> works fine per rfc 3021 but nobody seems to believe it or use it.  Are
> there any major manufacturers out there that do not support it?
>
> 2.       Longer than /24 prefixes in global BGP table.  The most obvious
> answer is that some hardware may not handle it...  How is that hardware
> going to handle an IP6 table then?  I have had several occasions where
> functionally I needed to advertise for different sites but only needed
> 20-30 addresses which is a complete waste of a /24.  How hard would it
> be to start allowing /25s when compared to trying to roll out IP6?

I think these qualify to be in an IPv6 FAQ if they're not already :)

Antonio Querubin
808-545-5282 x3003
e-mail/xmpp:  tony at lava.net




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