Bridge and debian and DHCP

catmaster · 06-09-2004, 05:52 PM

Im quite new user with linux, now I want to know how I can get bridge working and how to save it so when i reboot my linux box it will bring it automatically up. All quides that i have readed allways says only how to make static bridge.
So my thing is what i want is like this

Code:



Internet    |     |  my linux box        |     |  my other boxes
IP From isp |-----|  which have          |-----|  windows, linux
by DHCP     |     |  2 realtek interface |     |  etc.

What I have tried:
in my /etc/network/interfaces file
------------------
auto lo
iface lo inet loopback

auto br0
iface br0 inet dhcp
-------------------

These command I have found from few quides.

echo 1 > /proc/sys/net/ipv4/ip_forward
brctl addrb br0
brctl addif br0 eth0
brctl addif br0 eth1
ifconfig eth0 0.0.0.0 up
ifconfig eth1 0.0.0.0 up
brctl stp br0 on
/etc/init.d/networking restart

so that's all i know about this :/,
I hope someone can help me about this little problem.

catmaster · 06-10-2004, 02:46 PM

Hurray, I figured out what was wrong in that,
those commands were okay, but i forget iptables,
I reconfigured it and It worked

, now my only problem is how to save these things to some file so that linux will remember those

.

edit:
iptables commands that i run:
iptables -F INPUT
iptables -F FORWARD
iptables -F OUTPUT
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -A POSTROUTING -t nat -o $EXT_IF -s $LAN_RANGE -j MASQUERADE
iptables -A FORWARD -i $LAN_IF -s $LAN_RANGE -j ACCEPT

I know thats not secure but it works :P,

catmaster · 06-11-2004, 01:08 PM

umm, I have new problem with this..
when I try to upload stuff to that linux box, upload speed is only 30KB/sec
and when I try to upload trought that bridge to internet speed is only 30KB/sec, my connection can upload about 58KB/sec. whats wrong, downloading still works, downloading is fullspeed