nanog mailing list archives

Re: 69/8...this sucks


From: "Stephen Sprunk" <stephen () sprunk org>
Date: Wed, 12 Mar 2003 11:48:47 -0600


Thus spake "Jack Bates" <jbates () brightok net>
After the renumber, I'll
only have 69/8 space, which means all critical services such as my mail,
dns, and web servers will all be affected. I hear it now. "I didn't
receive
mail from so and so!" I check the logs and don't see an established
connection to my server. So, is the problem that the far mail server lost
the message, the user emailed the wrong place, or my new IP addresses
weren't accessible by the far mail server or the dns servers that it uses?

There's several BCPs that tell you to have at least one DNS server and at
least one unfavorable MX off-site.  If you did this, your mail would be
safe, albeit a little slow from misconfigured sites.

S

Stephen Sprunk         "God does not play dice."  --Albert Einstein
CCIE #3723         "God is an inveterate gambler, and He throws the
K5SSS        dice at every possible opportunity." --Stephen Hawking


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