Hi,
I do not know who stated this: -
"256 /24 nets; 192.168.x.x
16 /16 nets; 172.16.x.x through 172.31.x.x
1 /8 net; 10.x.x.x "
But the above is wrong. The correct values are: -
The Internet Assigned Numbers Authority (IANA) has reserved the
following three blocks of the IP address space for private internets:
10.0.0.0 - 10.255.255.255 (10/8 prefix)
172.16.0.0 - 172.31.255.255 (172.16/12 prefix)
192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
Check RFC1918.
Thanks,
Vishwas
________________________________
From: vlan-bounces@xxxxxxxxxxxxxxx [mailto:vlan-bounces@xxxxxxxxxxxxxxx]
On Behalf Of warrier@xxxxxxxxxxx
Sent: Wednesday, February 09, 2005 7:30 PM
To: Linux 802.1Q VLAN
Subject: Re: [VLAN] Network in Linux
Thanks
Sorry about the net mask. I know in the 255.x.x.x terms. Never got to
grappling with the /8, /16 etc.
S
Peter Stuge <stuge-vlan@xxxxxxx>
Sent by: vlan-bounces@xxxxxxxxxxxxxxx
02/08/2005 08:21 PM
Please respond to "Linux 802.1Q VLAN"
To: "Linux 802.1Q VLAN" <vlan@xxxxxxxxxxxx>
cc:
Subject: Re: [VLAN] Network in Linux
On Mon, Feb 07, 2005 at 02:08:54PM -0500, warrier@xxxxxxxxxxx wrote:
[.. addresses in 127/8..]
> Do you have any idea how this is implemented in Linux? , which
> source files I should look at etc.
Not really. Look around in /usr/src/linux-version/net/ipv4/
Anyway, I suggest you just stick to private addresses;
256 /24 nets; 192.168.x.x
16 /16 nets; 172.16.x.x through 172.31.x.x
1 /8 net; 10.x.x.x
These nets will never be routed on the internet.
Also you seemed to have net length meaning confused;
/24 is 255.255.255.0
/16 is 255.255.0.0
/8 is 255.0.0.0
/n means netmask with n number of ones.
//Peter
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