nanog mailing list archives

Re: Stupid Ipv6 question...


From: "Dan Mahoney, System Admin" <danm () prime gushi org>
Date: Fri, 19 Nov 2004 03:33:41 -0500 (EST)


On Fri, 19 Nov 2004, Stephane Bortzmeyer wrote:


On Fri, Nov 19, 2004 at 03:06:43AM -0500,
Dan Mahoney, System Admin <danm () prime gushi org> wrote
a message of 25 lines which said:

I'm having trouble wrapping my head around ipv6 style suffixes --
does anyone have a chart handy?  How big is a /64, specifically?

Since an IPv6 address is 128 bits, a /64 holds 2 ** (128 - 64)
addresses, which is 2 ** 64. But it seems too simple. This was really
your question?

Yup.  I said it was a stupid question :)

Mainly because I've always remembered CIDR's mnemonically rather than mathematically.

-Dan

--

"Of course she's gonna be upset! You're dealing with a woman here Dan, what the hell's wrong with you?"

-S. Kennedy, 11/11/01

--------Dan Mahoney--------
Techie,  Sysadmin,  WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144   AIM: LarpGM
Site:  http://www.gushi.org
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