I don't know is it make any sense but I've compiled bridge as integrated, not as module. And I don't state any line in "interfaces" file about bridged interfaces; Only br0 exists. Also I'm using br0 as external interface.
------------------------ gw11:/etc# gw11:/etc# cat network/interfaces # /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)
# The loopback interface # automatically added when upgrading auto lo iface lo inet loopback
# # Ayrintili bilgi ve diger parametreler icin: # /usr/share/doc/bridge-utils/README.Debian # auto br0 iface br0 inet static address 212.156.128.21 network 212.156.128.0 netmask 255.255.255.0 broadcast 212.156.128.255 bridge_ports eth0 eth1 bridge_stp on bridge_fd 5 gateway 212.156.128.18
# UNUSED # auto eth2 # iface eth2 inet static # auto eth3 # iface eth3 inet static
gw11:/etc# free total used free shared buffers cached Mem: 257064 211444 45620 0 5276 159648 -/+ buffers/cache: 46520 210544 Swap: 128516 1604 126912 gw11:/etc# gw11:/etc# lsmod Module Size Used by Not tainted shaper 3004 0 (unused) tulip 36928 0 (unused) eepro100 16816 0 (unused) 3c59x 24712 2 gw11:/etc# ------------------------