Well, sorry for the subject, it really fails to convey the real
situation.
I had a 1.3.8 installation working OK, as host Debian etch/lenny with
some sid bits and a MS WXP guest. But it really bothered me to have to
manually intervene to set up networking, but I was too lazy or busy to
delve into the mysteries of /etc/network/interfaces.
Now when I upgraded to 1.4.0 everything seemed to work the same, only
better. It was only today that I realised the manual now actually
instructs to fix things in /etc, and that was what I did. No more
copy-and-paste of commands!
Only problem being that now MS WXP can’t get an address anymore. I did
a little research, found
http://www.mail-archive.com/[email protected]/msg01212.html, and
realised eth0 wasn’t in promiscuous mode; I fixed that, but I don’t know
enough about networking to really make sense of tcpdump.
My /etc/network/interfaces:
auto lo
iface lo inet loopback
allow-hotplug eth0
iface eth0 inet manual
pre-up ifconfig eth0 0.0.0.0 promisc up
auto eth0
auto br0
iface br0 inet dhcp
bridge_ports all eth0
pre-up ifconfig eth0 0.0.0.0 promisc up
auto tap0
iface tap0 inet manual
up ifconfig $IFACE 0.0.0.0 up
down ifconfig $IFACE down
tunctl_user ldutra
It seems a mess to me, probably because I had a 1.3.8 setup, fixed it
based on 1.4.0 documentation, and then made eth0 promiscuous without
really understanding all of it.
I tried tcpdump, as per the message I found in the archive above, but
never found the answer to:
16:54:50.554500 arp who-has a10-595 tell 10.10.0.1
16:54:50.554544 arp reply a10-595 is-at 00:0a:5e:43:7d:e0 (oui Unknown)
a10-595 is my MS WXP guest. 10.10.0.1 is the router and DHCP (I
guess), and the host is a10-074, 10.10.5.147.
How to troubleshoot?
--
Leandro Guimarães Faria Corcete DUTRA <[EMAIL PROTECTED]>
Atech Fundação Aplicação de Tecnologias Críticas SP, BR
msnim:[EMAIL PROTECTED]
skype:leandro.gfc.dutra?chat +55 (11) 3040 7300 r151
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