I doubt though that IPv6 alone would fix the problem though.  It may have
been tongue in check but it is a valid thought.  How valid would depend on
the hardware involved.

Jon

On Fri, Jan 13, 2012 at 7:04 PM, Jon Harris <[email protected]> wrote:

> You are just having way too much fun today Don.
>
> Jon
>
> On Fri, Jan 13, 2012 at 6:58 PM, Don Ely <[email protected]> wrote:
>
>> Pshaw!  Just implement IPv6 and be done with it!!  hehehe
>>
>>
>> On Fri, Jan 13, 2012 at 3:55 PM, Jon Harris <[email protected]> wrote:
>>
>>> I with Ben on this go the option 2 and get it done now rather than wait
>>> until it bites you again with other issues.  Segregation would have the
>>> added benefit of reducing the attack surface for the servers if nothing
>>> else comes out of it.
>>>
>>> Jon
>>>
>>> On Fri, Jan 13, 2012 at 7:47 AM, Ben Scott <[email protected]> wrote:
>>>
>>>>  I'll second everything ASB said, and add one more remark: If one
>>>> *is* going to reorganize the network topology -- say, by putting
>>>> servers in one net, wireless in another, or what-have-you -- this
>>>> would be the time to do it.
>>>>
>>>> On Fri, Jan 13, 2012 at 7:35 AM, Andrew S. Baker <[email protected]>
>>>> wrote:
>>>> >
>>>> > It is possible to implement larger subnets than /24 without leaping
>>>> all the way to /16
>>>> >
>>>> > "Best" is always subjective, but without telling us how many IPs you
>>>> foresee needing, and other key details, you'll be the only person capable
>>>> of determining it.
>>>> >
>>>> > You have to ensure that all your edge and near-edge devices
>>>> (firewalls, VPN concentrators, load-balancers) are updated accordingly.
>>>>  Also, the larger your subnet, the greater the chance of overlap with a
>>>> subnet on the other side of a VPN.
>>>> >
>>>> > Beyond that, all the advice dispensed on subnetting this week should
>>>> prove helpful.
>>>> >
>>>> > ASB
>>>> > http://XeeMe.com/AndrewBaker
>>>> > Harnessing the Advantages of Technology for the SMB market…
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > On Fri, Jan 13, 2012 at 4:33 AM, Oliver Marshall <
>>>> [email protected]> wrote:
>>>> >>
>>>> >> We’ve hit the limit of internal IP range and need to extend it.
>>>> >>
>>>> >>
>>>> >>
>>>> >> There’s a couple of options and I’m trying to gauge which is the
>>>> “best”.
>>>> >>
>>>> >>
>>>> >>
>>>> >> Option 1 would be the easiest which is to extend our current range (
>>>> 10.1.37.0/24) to a /16 (10.1.0.0/16) to give us a whopping 65k IPs.
>>>> This seems easy enough, change the IP settings in DHCP and on the servers
>>>> and firewall and reboot it all. However we then have a myriad of VPN
>>>> connections which will also need adjusting and a stack of old kit which
>>>> hasn’t been touched since the animals went in two by two.
>>>> >>
>>>> >>
>>>> >>
>>>> >> Option 2 is to segregate the non-important stuff. Everyone here has
>>>> a desktop, most also have a laptop. Everyone has a smart phone as well and
>>>> most also have a tablet of some kind. Add to that the IP based webcams,
>>>> printers, internet Tellys and the like and you can see why we’ve hit the
>>>> limit. Really only the laptops and the desktops need internal access (to
>>>> servers and the like). Everything else only needs external internet access.
>>>> So we set up a separate wifi for external access on its own IP plumbed in
>>>> to its own port on the firewall. That way we reduce the need for internal
>>>> IPs.
>>>> >>
>>>> >>
>>>> >>
>>>> >> Any other options or any issues you may see?
>>>> >>
>>>> >>
>>>> >>
>>>> >> Anyone know what the real world impact will be of changing the IP
>>>> subnet in a small to medium size network ?
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~
>>>> > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~
>>>> >
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>>> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~
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>>>
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