[uml-devel] Re: [uml-user] Question about uml_switch

["roland" <for_spam@gmx.de>]

> At least the version I am using (2.4.24-1um #3),
> assigns hwaddr (MAC-address) uniquely with a given static ip.

mhhh - but the bridging howto at
http://edeca.net/articles/bridging/questions.html
tells:

Q:
Why can multiple UMLs on a bridge talk to the host but not each other?
A:
By default, every UML instance uses the same MAC address so ethernet can't 
distinguish the two hosts.  You need to assign each UML a unique MAC address 
by specifying it as part of the eth0 argument, like so: "eth0=tuntap,tap1,
FE:FD:00:00:00:01".

and i can acknowledge this, as far as i remember. i always specify the mac
adress on the commandline - being "safe" this way.

so - what is right ?

is there differnt neworking code in different uml versions ?

roland


----- Original Message ----- 
From: "henrique" <henrique@fuji.moreira.dnsalias.net>
To: "roland" <for_spam@gmx.de>
Cc: <user-mode-linux-user@lists.sourceforge.net>
Sent: Sunday, June 06, 2004 8:42 PM
Subject: Re: [uml-user] Question about uml_switch


> > Alex, 
> > you hit a little "uml annoyance" - uml itself doesn`t assign a unique
> > MAC-Address to itself at startup. (afaik)
> 
> Hello Roland,
> 
> At least the version I am using (2.4.24-1um #3),
> assigns hwaddr (MAC-address) uniquely with a given static ip.
> 
> command-line example: eth0=tuntap,tap0
> I use the static ip on UML: 192.168.0.147,
> and the hwaddr is FE:FD:XX:XX:XX:93 (93 hexa is 147 decimal).
> 
> XX:XX:XX are of course the hexa values for 192.168.0.
> 
> On the UML eth0 configurator I use is a plain 'ifconfig'...
> 
> 
> Regards,
> Henrique
> 


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