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SubjectBridging with 2.2.5
I have been unsuccessful in getting bridging to work with RedHat 6.0.  I
can see network traffic on both ethernet interfaces with tcpdump, and
brcfg says bridging is enabled. My ethernet interfaces are in promiscuous
mode, and 802.1 packets are being sent out from my box. But I cannot ping
two machines separated by the bridge. I've read every HOWTO I can find,
searched DejaNews and many archives for answers, but to no avail. I have
attached my configuration below. Personal replies welcome.

# uname -a
Linux cerberus 2.2.5-15 #7 Thu Jun 10 14:57:48 CDT 1999 i586 unknown

# ifconfig
eth0 Link encap:Ethernet HWaddr 00:E0:29:2B:9E:67
inet addr:127.0.0.2 Bcast:127.255.255.255 Mask:255.0.0.0
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:502186 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:10 Base address:0xd800

eth1 Link encap:Ethernet HWaddr 00:20:AF:37:8C:21
inet addr:127.0.0.3 Bcast:127.255.255.255 Mask:255.0.0.0
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:18 errors:0 dropped:0 overruns:0 frame:0
TX packets:1137 errors:0 dropped:0 overruns:0 carrier:755
collisions:0 txqueuelen:100
Interrupt:5 Base address:0x300

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:3924 Metric:1
RX packets:46 errors:0 dropped:0 overruns:0 frame:0
TX packets:46 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0

# netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
127.0.0.2 0.0.0.0 255.255.255.255 UH 0 0 0 eth0
127.0.0.3 0.0.0.0 255.255.255.255 UH 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 eth1

# ./brcfg
bridging is ENABLED debugging is ENABLED prot-stats are DISABLED
bridge id 0x0080 00:e0:29:2b:9e:67
designated root 0x0080 00:d0:58:83:fb:c1
bridge max age 20 max age 5120
bridge hello time 2 hello time 512
bridge forward delay 15 forward delay 3840
root path cost 100 root port 1
flags NONE
--- port stats ---
port 1 port id 0x8001 port state LISTENING (0x1)
designated root 0x0080 00:d0:58:83:fb:c1
designated bridge 0x0080 00:d0:58:83:fb:c1
path cost 100 designated cost 0
designated port 32787 flags NONE
port 2 port id 0x8002 port state LISTENING (0x1)
designated root 0x0080 00:d0:58:83:fb:c1
designated bridge 0x0080 00:e0:29:2b:9e:67
path cost 0 designated cost 100
designated port 32770 flags NONE
Policy Accept all protocols
exempt protocols 0

# cat /proc/sys/net/ipv4/ip_forward
1

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