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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: alternatives to private RFC-1918 addresses on public routers
William Allen Simpson wrote: > > When I complain, I prefer to suggest alternatives. In this case, the > two that come to mind are: > > 1) unnumbered interfaces. I've used these with PPP for years, but as > I remember, there was a problem with Ciscos. Has this been fixed? I've used them in several deployments, and they work just fine. You do need at least one local interface with a real, public address to do this. When configuring the unnumbered interface, you specify which other interface (e.g. an Ethernet, or probably even a loopback) to use for IP address when needed (for ICMP messages and such). > > 2) host routes. Rather than creating /30 subnets for links (wasting > 2 addresses for each 2 used on a link), go all the way and use /32 > for each address. This make the local routing table a bit bigger, > but the entries are rarely used, and aggregated at the boundaries. > > Thoughts? > > Isn't there a link around somewhere on this? > > What about a link for bogon filters to use at boundaries? > > [email protected] > Key fingerprint = 17 40 5E 67 15 6F 31 26 DD 0D B9 9B 6A 15 2C 32 -- ----------------------------------------------------------------- Daniel Senie [email protected] Amaranth Networks Inc. http://www.amaranthnetworks.com
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