On Friday 19 August 2005 02:24, Markus Hochholdinger wrote:
> Hi,
>
> i've now spend half a day to find out that the default MAC-address set by
> uml is FE:FD:00:00:00:00.
> That was the reason for my bad network connectivity to several umls on one
> host bridged the local network to the umls over tuntap.
>
> So if someone has ping problems to his two or more umls, try to set
> different MAC-address for each uml:
> ./linux eth0=tuntap,tap1,FE:FD:00:00:00:01 ...
>
> ("I really verified the MAC-address of the tap devices" was the correct
> approach, but i looked on the wrong side of the tap devices ;-)
>
> Hope this will prevent someone like me spend to much time with this easy
> thing. (Perhaps i got too little sleep the last days...)
If your distro, instead of doing:
ifconfig eth0 up
ifconfig eth0 <address>, does
ifconfig eth0 <address>, then UML will decide the Mac address based on the IP
address (will be FE:FD:<ip address in hex, maybe reversed>).
--
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade
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