[c-nsp] DS1 provisioning using IP Unnumbered vs /30s

[Gert Doering]

Hi,

On Thu, Feb 05, 2009 at 08:48:35PM -0500, Alex Balashov wrote:
> There is no reason why you need to "waste" IP address on the /30s - who 
> said they have to be public IPs?  Just carve out some address space out 
> of a 10.0.0.0/8 range and use private transport IPs.  

RFC1918 (indirectly) says that this is not permitted.

(If you do this, ICMPs sourced by the remote router will send their
packets with an RFC1918 source address, which is strictly not allowed.
If you filter those packets, you'll break traceroute and PMTUd).

gert
-- 
USENET is *not* the non-clickable part of WWW!
                                                           //www.muc.de/~gert/
Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 304 bytes
Desc: not available
URL: <https://puck.nether.net/pipermail/cisco-nsp/attachments/20090206/67913071/attachment.bin>