Wifi IP address 10. Range


Setting up a public wifi and may need more than 254 ip address'.

Should I be using 10 range as I only know about 196.168 ranges and that its 254 limit.

Could someone advise the structure and subnet please.

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Tim PhillipsWindows Systems AdministratorCommented:
For simplicity: try

This will give you 65,000 usable addresses.
Gareth_PointonAuthor Commented:
Ok but is that to 10.0.0.?
Tim PhillipsWindows Systems AdministratorCommented:
it is to
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Wylie BayesNetwork Technician IIICommented: also has 65,534 usable addresses, and is still private IP space.

However if you are only concerned with 254 limitation of a single class C,  I would configure with a subnet mask. This gives you 1,022 usable addresses, and still keeps your network fairly small.
Gareth_PointonAuthor Commented:
Thanks Wylie.

So should I use that as a standard 192 range but with 1,022 instead of the 254.

Also what would be the last range allowed on that?

I gather also I can use any of the range as default gateways and so on also.

Wylie BayesNetwork Technician IIICommented:
Depends where you start.... for example.. -  (with subnet mask, also known as /22)
or - (same with mask, or /22)
So on and so forth.

Use this tool to help you define subnets when you are confused:

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Gareth_PointonAuthor Commented:

I have tested this and setup on subnet and another computer on and cannot ping them both?

Wylie BayesNetwork Technician IIICommented:
and you ensured the subnet mask is configured on both devices as  What do they both connect to?  A router? A switch?   That device also needs to be updated to
Gareth_PointonAuthor Commented:

Yes both PC's were on and they are going through a switch.
Gareth_PointonAuthor Commented:
This is for a WIFI solution so really need more then the 254 limitation.

Any help please.
Common routers with factory firmware will not let you have more than 256 associations or 254 DHCP leases etc.
You need either a wireless controller with general-purpose DHCP server,
Or custom firmware in biggest router that lets it run e.g. coova wireless controller for others
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
Is there WiFi involved yet?  Or are you testing with LAN for now?
Gareth_PointonAuthor Commented:
OK I am using Ubiquity Hardware for the Access Points. For the Hotspot software I and using http://www.antamedia.com/hotspot/

I want to configure the Hardware so its not accessible by the end user.
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
The Ubiquity APs are designed for 200+ (indoor) or 100+ (outdoor) simultanous users.
However, what you try to achieve is a professional class public WiFi, and you really should go for hiring some consulting and implementing for that size. If we would talk about ~10 users, no issue, but it doesn't help you to ask for help here with that - too much variables, too much sandtraps.
Do you mean that you cannot change netmask on antimedia access point? Ask their support for instance.
The WiFi hardware is likely setup for "AP Isolation" so WiFi clients cannot talk to nor 'see' each other.
i.e. the clients can talk through the Gateway to the WAN side, but not to any WiFi-connected clients on the LAN side.

Also, windows clients prior to Vista SP2 and Server 2008 SP1 do not handle 'classless' inter-domain routing correctly with masks smaller than the default 'classful' (A=/8; B=/16; C=/24), even though the RFC for CIDR was published a couple years before the release of Win95 (the first version of windows that came with a TCP stack)... so, if your testing involved, say, XP clients, it might give the results you describe. The only workaround microsoft ever offered for that is to use a class B range (172.16.x.x - 172.32.x.x) for masks between /16 and /23, or class A range (10.x.x.x) for masks between /8 and /23.
Gareth_PointonAuthor Commented:
qlemo I thought this site was for information from experts.....

Darr247 - I want to use a 172 or 10 B range but just need a little conclusive information about IP range and subnet setup.
use http://www.subnet-calculator.com
It will give you the details you need.
You can perfectly add an external DHCP server and disable any embedded DHCP servers if they don't fit.
Windows Servers have DHCP services, linux can use isc-dhcpd service or DNSMasq.

There are also alternative firmware for WiFi routers and AP. I would recommend dd-wrt and openwrt:
These firmware, once flashed onto a Wifi AP/router, enable professional features, including dhcp servers.
Now, you will be limited by the hardware, especially bandwidth, "network speed" and the number of packets that can be processed per second.
Asker already purchased some wifi controller...
If not - yes, go for openwrt and run coova on AP closest to your office.
You dont even need to consume a server for AP management ;)
What's wrong with a /23 mask?
10.10.10.x or 10.10.11.x with subnet mask
gives 510 addresses.
( and would be reserved as the Network ID and Broadcast addresses, respectively.)
Ans 1 more address for default router...
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