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Re: Static interface routes for IP address on different subnet doesn't send an ARP who-has
On Fri, Aug 23, 2013 at 12:45:35AM -0700, John Nemeth wrote:
> On Aug 22, 8:22pm, John Hawkinson wrote:
> } It's a pointless waste to blow a /30 on a point-to-point link
> } if you don't have to. Supporting this is smart.
> Then use a /31. See RFC 3021
ISPs don't want to use a /31 because it is also wasteful: to establish
point-to-point links between the gateway and N customers, you need 2N
addresses instead of N + 1 addresses.
dyoung%pobox.com@localhost Urbana, IL (217) 721-9981
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