[c-nsp] IP unnumbered question. Are isp's using this alot?

[Tim Franklin]

> This is the classic UUNet standard config for the past
> 10 years or so (note: I don't know which ISP you're
> using, and don't work for UU): if a customer is
> singly-homed, then pinging their Ethernet interface is
> just as good as pinging a numbered serial.  

Unless the Ethernet is down (assuming you have keepalives enabled), or
hasn't been configured yet, or has been fat-fingered.  I like numbered p2p
WAN links, it keeps things simple.

> If UU were to go to all numbered /30s, they'd probably
> chew up several /16s immediately (they have a LOT of
> unnumbered customers).  Personally, I'm glad they're
> not doing that...

Nah, let's empty the bucket and get things moving on v6... ( half-:) )

Regards,
Tim.

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