Re: variable length subnets

Juergen Schoenwaelder (schoenw@ibr.cs.tu-bs.de)
Sun, 5 Mar 1995 19:29:08 +0100

Hi!

On Tue, 28 Feb 1995 22:55:11 -0600,
Baba Z Buehler <baba@beckman.uiuc.edu> said:

Baba> Has anyone done any use of tkined in an environment with
Baba> variable length subnetting? Here we're using as much as 27
Baba> bits for the subnet, and most network management software
Baba> tends to get confused when you're not using either standard
Baba> class A,B,C nets or just subnetting at 127.

The discover script should be able to recognize non-standard subnets.
(It surely depends on how many devices answer ICMP mask requests
correctly.)

However, you can run the IP discover script only on class A, B or C
like subnets, but I don't think this is a serious limitation. There
should be no problems with the other scripts as they usually work on
the list of selected hosts (and hence there is no need to do anything
special based on the netmask).

If you run into problems, please let us know or even better send us
a patch so we can get it right.

Juergen