Re: plip with mulinux

From: Michele Andreoli (
Date: Fri Sep 01 2000 - 10:57:28 CEST

On Wed, Aug 30, 2000 at 09:50:36PM +0200, Dumas Patrice nicely wrote:
> >
> > Because, in this case, have to scan any configured
> > interface and ask the user for netmask/gateway/broadcast
> I don't think so. It seems to me that a gateway is global to all the interfaces. It is set
> up with
> route add default <address or host>
> the address must have been previously declared with a static route.

I will set normally with
        route add default gw <address> <interface>

Probabily, <interface> is redundant, because kernel can associate
address to interface.

> > Anycase, this requires (as you told) some duplication in help
> > messages about this parameters and theyr default values.
> I think not, finally. I think that as this stuff will only be usefull for experimented
> users, it won't need more help messages.

I have, therefore, to remove any help messages about NETWORK, NETMASK usage?

> Yes, but I also think that it is not usefull to setup a network for plip in the interface
> setup, as it is quite unusual.

I'm not sure if will happens problems, with more active interface. Not
specify NETWORK, can cause confusion ?

> > Please, discuss this topics:
> >
> > 1. I have to ask for netmask and broadcast for ANY interface?
> Not necessary. For plip, for example, it isn't needed. But possible. If you want to route
> packets via the plip interface, to a certain network, you can do this.

My plan is to allow a home network of PCs using a mixed cabling serial/plip,
without ethernet. It is possible?

> > 2. Any interfaces live in own subnetwork, or no?
> Not necessarily. I think you can have 2 interfaces sharing a network, and also interfaces
> without explicit network, in case of point to point communication.

I'm reading the "Subnetworking" and "Bridge+Firewall" mini Howto: it
seems things are a more complex compared what we are telling.


I'd like to conclude with a positive statement, but I can't 
remember any. Would two negative ones do?       -- Woody Allen
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