[26676] in resnet
Re: IPv6 Address Blocks
daemon@ATHENA.MIT.EDU (Kitterman, Scott)
Mon Aug 15 09:53:34 2011
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Date: Mon, 15 Aug 2011 13:47:58 +0000
Reply-To: Resnet Forum <RESNET-L@listserv.nd.edu>
From: "Kitterman, Scott" <stk@UNH.EDU>
To: RESNET-L@listserv.nd.edu
In-Reply-To: <B3C0241889401F4AB97A55E980BABBA0FC204D5BD7@EXV01.wcu.edu>
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Hi Ken & All,
My understanding is best practice today is to issue /48 to downstream custo=
mers. At UNH we have many local customers, in the sense that they run thei=
r own networks. A few of our local customers would be CS, Physics, Enterpr=
ise Computing, Dining and Facilities to name a few. Our vision is that all=
of these customers will receive /48 assignments where they will most likel=
y build out /64 networks. Then we have a fair number of off campus sites a=
nd customers that will get /48s.
Today we could most likely do all this with a /48 but I believe it would at=
some point get complicated to manage and perhaps maintain reasonable routi=
ng tables.
I am sure for each institution it is going to be personal need and potentia=
l growth of networks and services each is planning to provide over the comi=
ng years.
When I spoke with ARIN it seemed that if you needed anything more than a /4=
8 it was recommended to get the /32. Otherwise we would have looked into g=
etting an assignment in between the two extremes.
Hope this helps. At any rate I think this is a good topic and the more inp=
ut of what others are doing should help us all.
Thank you,
Scott K
From: Resnet Forum [mailto:RESNET-L@LISTSERV.ND.EDU] On Behalf Of Stephen W=
ilson
Sent: Monday, August 15, 2011 9:10 AM
To: RESNET-L@LISTSERV.ND.EDU
Subject: Re: IPv6 Address Blocks
Ken,
An IPv6 /48 network isn't really equivalent to an IPv4 class B. In a /48, =
you will have 65,536 /64 subnets, each of which is theoretically capable of=
hosting every computer ever made (EUI-64 addressing). Here at WCU we've b=
een allocated a /48 from our ISP, which I believe is true for all of the UN=
C schools.
Stephen Wilson
Network Manager
WCU Networking and Telecommunications
From: Resnet Forum [mailto:RESNET-L@LISTSERV.ND.EDU]<mailto:[mailto:RESNET-=
L@LISTSERV.ND.EDU]> On Behalf Of ken whittaker
Sent: Monday, August 15, 2011 8:56 AM
To: RESNET-L@LISTSERV.ND.EDU<mailto:RESNET-L@LISTSERV.ND.EDU>
Subject: Re: IPv6 Address Blocks
Scott,
I've been pondering getting into the IPv6 world but don't
have a real need at the present time. I've been reading where
there's no time like the present to do this but I'm just not
sure of where it will take us at the present time. But any
way if one was to go and do this I would think that the /48
would give one enough address space to work with. After all
it seems that it's equivalent to a ipv4 class B which for Keene
would be just fine. Unless I'm all wet and there's more to it
than I understand. Am I comparing apples to apples or is it
apples to cumquats ....
ken ---
ken whittaker
kwhittaker@keene.edu<mailto:kwhittaker@keene.edu>
On Aug 10, 2011, at 3:03 PM, Kitterman, Scott wrote:
Hello Tony,
The University of new Hampshire acquired a /48 a couple years ago as that =
is what ARIN was offering. Since then ARIN policy has changed and they are=
more inclined to issue /32s to higher Ed if you can make a case as a LIR (=
local Internet Registry). We are currently in the process of transitioning=
to a /32. Some general items that may qualify your college is if your ins=
titution has customers outside the college, like k-12 schools, libraries, n=
on-profits, remote sites (research sites) or possibly even separate departm=
ents like CS, Electrical Eng., Physics or others.
In general we plan to assign /48s to different groups at UNH such as CS, RC=
C (Research Computing), UNH-IOL (interoperability Lab), Cooperative Extensi=
on, distance learning, WIFI networks, and others.
I did a little research and other universities of the size and character of=
UNH all have /32s. It may seem like overkill and probably is but it seems =
to be the standard for institutions like UNH. The more research I did the=
more convinced I became that a /48 would at some point limit or capabiliti=
es. As a final check, I asked industry leader in IPv6 testing and certific=
ation, UNH IOL (www.iol.unh.edu<http://www.iol.unh.edu>) , what they though=
t and they confirmed that a /32 is the norm for our type of scenario.
We have around 12k undergrads and act as an ISP for various groups around t=
he state. The /32 should give us the opportunity provide IPv6 services lim=
ited only by imagination.
I hope this is some help. Let me know if you have further questions.
Thank You,
Scott Kitterman
UNH IT
From: Resnet Forum [mailto:RESNET-L@LISTSERV.ND.EDU]<mailto:[mailto:RESNET-=
L@LISTSERV.ND.EDU]> On Behalf Of Tony Skalski
Sent: Thursday, June 09, 2011 11:32 AM
To: RESNET-L@LISTSERV.ND.EDU<mailto:RESNET-L@LISTSERV.ND.EDU>
Subject: Re: IPv6 Address Blocks
You can easily get a /48 - that's what we got. My understanding is that is =
what most folks will get. If you can make a good case you might be able to =
get something slightly larger (like a /46).
A /48 should be plenty big...
ajs
On Thu, Jun 9, 2011 at 10:21 AM, Fred Mowchan <mowchafl@acu.edu<mailto:mowc=
hafl@acu.edu>> wrote:
I'm about ready to make a request to ARIN for a block of IPv6 addres=
ses and I'm not sure what size block I should request.
I know that a /32 is about the size recommended for an ISP (which I think a=
University is) but I sure would like to see what other universities are p=
lanning for.
I've got an IPv4 "B" block now and with about 5000 students it gives=
me lots of good options without having to compromise any addressing plans.
The /32 would get me 79 septillion IP addresses...seems like enough ;-)... =
but what's the going reservation size you have or are contemplating?
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--
Tony Skalski
Systems Administrator
ajs@stolaf.edu<mailto:ajs@stolaf.edu>
507-786-3227
St. Olaf College
Information and Instructional Technologies
1510 St. Olaf Avenue
Northfield, MN 55057-1097
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">Hi Ken & All,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">My understanding is best practice today is t=
o issue /48 to downstream customers. At UNH we have many local custom=
ers, in the sense that they run their own networks.
A few of our local customers would be CS, Physics, Enterprise Computing, D=
ining and Facilities to name a few. Our vision is that all of these c=
ustomers will receive /48 assignments where they will most likely build out=
/64 networks. Then we have a fair number
of off campus sites and customers that will get /48s.<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">Today we could most likely do all this with =
a /48 but I believe it would at some point get complicated to manage and pe=
rhaps maintain reasonable routing tables.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">I am sure for each institution it is going t=
o be personal need and potential growth of networks and services each is pl=
anning to provide over the coming years.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">When I spoke with ARIN it seemed that if you=
needed anything more than a /48 it was recommended to get the /32. O=
therwise we would have looked into getting an assignment
in between the two extremes.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">Hope this helps. At any rate I think t=
his is a good topic and the more input of what others are doing should help=
us all.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">Thank you,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D">Scott K<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Co=
urier New";color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:"=
;Tahoma","sans-serif"">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:"Tahoma","sans-serif""> Resnet F=
orum [mailto:RESNET-L@LISTSERV.ND.EDU]
<b>On Behalf Of </b>Stephen Wilson<br>
<b>Sent:</b> Monday, August 15, 2011 9:10 AM<br>
<b>To:</b> RESNET-L@LISTSERV.ND.EDU<br>
<b>Subject:</b> Re: IPv6 Address Blocks<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">Ken,<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"><o:p> </o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">An IPv6 /48 network isn&#=
8217;t really equivalent to an IPv4 class B. In a /48, you will have =
65,536 /64 subnets, each of which is theoretically capable of hosting
every computer ever made (EUI-64 addressing). Here at WCU we’v=
e been allocated a /48 from our ISP, which I believe is true for all of the=
UNC schools.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"><o:p> </o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">Stephen Wilson<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">Network Manager<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">WCU Networking and Teleco=
mmunications<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"><o:p> </o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:"=
;Tahoma","sans-serif"">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:"Tahoma","sans-serif""> Resnet F=
orum
<a href=3D"mailto:[mailto:RESNET-L@LISTSERV.ND.EDU]">[mailto:RESNET-L@LISTS=
ERV.ND.EDU]</a>
<b>On Behalf Of </b>ken whittaker<br>
<b>Sent:</b> Monday, August 15, 2011 8:56 AM<br>
<b>To:</b> <a href=3D"mailto:RESNET-L@LISTSERV.ND.EDU">RESNET-L@LISTSERV.ND=
.EDU</a><br>
<b>Subject:</b> Re: IPv6 Address Blocks<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"> Scott,<o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"> &nb=
sp; </span> I've been =
pondering getting into the IPv6 world but don't<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"> &nb=
sp; </span>have a real need =
at the present time. I've been reading where<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"> &nb=
sp; </span>there's no time like t=
he present to do this but I'm just not<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"> &nb=
sp; </span>sure of where it will =
take us at the present time. But any <o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"> &nb=
sp; </span>way if one was to go a=
nd do this I would think that the /48 <o:p></o:p></p>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"He=
lvetica","sans-serif";color:black"> <span class=3D"appl=
e-tab-span">
</span> </span><span style=3D"font-size:13.5pt"> would give one e=
nough address space to work with. After all</span><span style=3D"font=
-size:13.5pt;font-family:"Helvetica","sans-serif";color=
:black"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"><span style=3D"font-s=
ize:13.5pt">
</span></span><span style=3D"font-size:13.5pt">it seems that it's equivalen=
t to a ipv4 class B which for Keene </span><span style=3D"font-size:13=
.5pt;font-family:"Helvetica","sans-serif";color:black">=
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"><span style=3D"font-s=
ize:13.5pt">
</span></span><span style=3D"font-size:13.5pt">would be just fine. Un=
less I'm all wet and there's more to it </span><span style=3D"font-siz=
e:13.5pt;font-family:"Helvetica","sans-serif";color:bla=
ck"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"><span style=3D"font-s=
ize:13.5pt">
</span></span><span style=3D"font-size:13.5pt">than I understand. Am =
I comparing apples to apples or is it</span><span style=3D"font-size:13.5pt=
;font-family:"Helvetica","sans-serif";color:black"><o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span class=3D"apple-tab-span"><span style=3D"font-s=
ize:13.5pt">
</span></span><span style=3D"font-size:13.5pt">apples to cumquats ....</spa=
n><span style=3D"font-size:13.5pt;font-family:"Helvetica","s=
ans-serif";color:black"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"He=
lvetica","sans-serif";color:black"><br>
ken ---<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"He=
lvetica","sans-serif";color:black"><o:p> </o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"He=
lvetica","sans-serif";color:black">ken whittaker<o:p></o:p><=
/span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"He=
lvetica","sans-serif";color:black"><a href=3D"mailto:kwhitta=
ker@keene.edu">kwhittaker@keene.edu</a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"He=
lvetica","sans-serif";color:black"><o:p> </o:p></span><=
/p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><o:p> </o:p></p>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class=3D"MsoNormal">On Aug 10, 2011, at 3:03 PM, Kitterman, Scott wrote:=
<o:p></o:p></p>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><o:p> </o:p></p>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">Hello Tony,</span><o:p></=
o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">The University of new Ham=
pshire acquired a /48 a couple years ago as that is what ARIN was off=
ering. Since then ARIN policy has changed and they are more
inclined to issue /32s to higher Ed if you can make a case as a LIR (local=
Internet Registry). We are currently in the process of transitioning=
to a /32. Some general items that may qualify your college is if you=
r institution has customers outside the college,
like k-12 schools, libraries, non-profits, remote sites (research sites) o=
r possibly even separate departments like CS, Electrical Eng., Physics or o=
thers.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">In general we plan to ass=
ign /48s to different groups at UNH such as CS, RCC (Research Computing), U=
NH-IOL (interoperability Lab), Cooperative Extension, distance
learning, WIFI networks, and others.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">I did a little research a=
nd other universities of the size and character of UNH all have /32s. It ma=
y seem like overkill and probably is but it seems to be
the standard for institutions like UNH. The more research I di=
d the more convinced I became that a /48 would at some point limit or capab=
ilities. As a final check, I asked industry leader in IPv6 testing an=
d certification, UNH IOL (<a href=3D"http://www.iol.unh.edu">www.iol.unh.ed=
u</a>)
, what they thought and they confirmed that a /32 is the norm for our type=
of scenario.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">We have around 12k underg=
rads and act as an ISP for various groups around the state. The /32 s=
hould give us the opportunity provide IPv6 services limited only
by imagination.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">I hope this is some help.=
Let me know if you have further questions.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">Thank You,</span><o:p></o=
:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">Scott Kitterman</span><o:=
p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D">UNH IT</span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca=
libri","sans-serif";color:#1F497D"> </span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:"=
;Tahoma","sans-serif"">From:</span></b><span class=3D"apple-=
converted-space"><span style=3D"font-size:10.0pt;font-family:"Tahoma&q=
uot;,"sans-serif""> </span></span><span style=3D"font-size:1=
0.0pt;font-family:"Tahoma","sans-serif"">Resnet
Forum <a href=3D"mailto:[mailto:RESNET-L@LISTSERV.ND.EDU]">[mailto:RESNET-=
L@LISTSERV.ND.EDU]</a><span class=3D"apple-converted-space"> </span><b=
>On Behalf Of<span class=3D"apple-converted-space"> </span></b>Tony Sk=
alski<br>
<b>Sent:</b><span class=3D"apple-converted-space"> </span>Thursday, Ju=
ne 09, 2011 11:32 AM<br>
<b>To:</b><span class=3D"apple-converted-space"> </span><a href=3D"mai=
lto:RESNET-L@LISTSERV.ND.EDU">RESNET-L@LISTSERV.ND.EDU</a><br>
<b>Subject:</b><span class=3D"apple-converted-space"> </span>Re: IPv6 =
Address Blocks</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">You can easily get a /48 - that's what we got. My un=
derstanding is that is what most folks will get. If you can make a good cas=
e you might be able to get something slightly larger (like a /46).<o:p></o:=
p></p>
</div>
<div>
<div>
<p class=3D"MsoNormal"> <o:p></o:p></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal">A /48 should be plenty big...<o:p></o:p></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal"> <o:p></o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">ajs<o:p></o:p></p>
<div>
<div>
<p class=3D"MsoNormal">On Thu, Jun 9, 2011 at 10:21 AM, Fred Mowchan <<a=
href=3D"mailto:mowchafl@acu.edu">mowchafl@acu.edu</a>> wrote:<o:p></o:p=
></p>
</div>
<div>
<p class=3D"MsoNormal"> I'm about ready to make a=
request to ARIN for a block of IPv6 addresses and I'm not sure what size b=
lock I should request.<br>
I know that a /32 is about the size recommended for an ISP (which I think a=
University is) but I sure would like to see what other universities =
are planning for.<br>
I've got an IPv4 "B" block now and wit=
h about 5000 students it gives me lots of good options without having to co=
mpromise any addressing plans.<br>
The /32 would get me 79 septillion IP addresses...seems like enough ;-)... =
but what's the going reservation size you have or are contemplating?<br>
<br>
<br>
___________________________________________________<br>
You are subscribed to the ResNet-L mailing list.<br>
<br>
To subscribe, unsubscribe or search the archives,<br>
go to<span class=3D"apple-converted-space"> </span><a href=3D"http://L=
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.EDU/archives/resnet-l.html</a><br>
___________________________________________________<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
<br clear=3D"all">
<br>
--<span class=3D"apple-converted-space"> </span><br>
Tony Skalski<br>
Systems Administrator<br>
<a href=3D"mailto:ajs@stolaf.edu">ajs@stolaf.edu</a><br>
507-786-3227<br>
St. Olaf College<br>
Information and Instructional Technologies<br>
1510 St. Olaf Avenue<br>
Northfield, MN 55057-1097<br>
<br>
<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">___________________________________________________ =
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<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"Co=
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--_000_37ED277C6FC42B43AE50E9F2F2B684370CC5D9bowadunhedu_--
