Mailing List Archive: Cisco: NSP

ipv6 cheat sheet

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good1 at live

Nov 25, 2009, 3:53 PM

Post #1 of 5 (3931 views)
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ipv6 cheat sheet

Hello guys,

Did you find any cheat sheet for IPv6 subnetting anywhere?

_________________________________________________________________
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ptimmins at clearrate

Nov 25, 2009, 4:20 PM

Post #2 of 5 (3890 views)
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Re: ipv6 cheat sheet [In reply to]

You can subnet ipv6 with your eyeballs, just add or subtract 4 from the
prefix length for every character you move to the left or right.

1234:1234:1234:1234::/64
1234:1234:1234:123X::/60
1234:1234:1234:12XX::/56
1234:1234:1234:1XXX::/52
1234:1234:1234::/48

etc

-----Original Message-----
From: cisco-nsp-bounces [at] puck
[mailto:cisco-nsp-bounces [at] puck] On Behalf Of Good One
Sent: Wednesday, November 25, 2009 6:54 PM
To: cisco-nsp [at] puck
Subject: [c-nsp] ipv6 cheat sheet

Hello guys,

Did you find any cheat sheet for IPv6 subnetting anywhere?

_________________________________________________________________
Windows Live: Friends get your Flickr, Yelp, and Digg updates when they
e-mail you.
http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action
/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_3
:092010
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archive at http://puck.nether.net/pipermail/cisco-nsp/
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steve at ibctech

Nov 26, 2009, 5:30 AM

Post #3 of 5 (3874 views)
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Re: ipv6 cheat sheet [In reply to]

Paul G. Timmins wrote:
> You can subnet ipv6 with your eyeballs, just add or subtract 4 from the
> prefix length for every character you move to the left or right.
>
> 1234:1234:1234:1234::/64
> 1234:1234:1234:123X::/60
> 1234:1234:1234:12XX::/56
> 1234:1234:1234:1XXX::/52
> 1234:1234:1234::/48

ipv6gen is handy for visualizing different possible addressing scenarios:

% ipv6gen -s 4 -l 2607:f118::/32 48

2607:F118:0000::/48
2607:F118:2000::/48
2607:F118:1000::/48
2607:F118:3000::/48
2607:F118:0800::/48
2607:F118:2800::/48

% ipv6gen -s 4 -l 2607:F118:2800::/48 56

2607:F118:2800:0000::/56
2607:F118:2800:2000::/56
2607:F118:2800:1000::/56
2607:F118:2800:3000::/56
2607:F118:2800:0800::/56

% ipv6gen -s 4 -l 2607:F118:0800::/48 64

2607:F118:0800:0000::/64
2607:F118:0800:2000::/64
2607:F118:0800:1000::/64
2607:F118:0800:3000::/64

etc.

Steve
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tim at selfnet

Nov 27, 2009, 1:44 AM

Post #4 of 5 (3866 views)
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Re: ipv6 cheat sheet [In reply to]

On Thu, Nov 26, 2009 at 04:53:55AM +0500, Good One wrote:
> Did you find any cheat sheet for IPv6 subnetting anywhere?

sipcalc

For example, print all /64 subnets of 2001:db8::/32:

$ sipcalc --v6split 64 2001:db8::/32

Available in GNU/Debian or the man-pages says:
"Sipcalc can be downloaded from http://www.routemeister.net/"

Cheers,
Tim

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braaen at zcorum

Nov 27, 2009, 5:22 AM

Post #5 of 5 (3859 views)
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Re: ipv6 cheat sheet [In reply to]

My boss found the following cheatsheet.

http://www.estoile.com/links/ipv6.pdf

also have a look at the following

http://www.estoile.com/

--

----------------------

Brian Raaen
Network Engineer
braaen [at] zcorum
Tel 678-507-5000x5574

On Wednesday 25 November 2009, Good One wrote:
>
> Hello guys,
>
> Did you find any cheat sheet for IPv6 subnetting anywhere?
>
>
>
> _________________________________________________________________
> Windows Live: Friends get your Flickr, Yelp, and Digg updates when they e-
mail you.
> http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-
action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-
xm:SI_SB_3:092010
> _______________________________________________
> cisco-nsp mailing list cisco-nsp [at] puck
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>

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