[CentOS-de] Bridge Interface Problem

jan vollme janvoll at yahoo.de
Mi Feb 3 09:28:30 UTC 2010


Hi
 
wir haben einen Server mit 6 Nic am Start, wobei Nic 2 + 3 als Bridge Br0 laufen sollen.
Wenn ich mir mit tcpdump eth2 und eth3 ansehe, sehe ich jedoch nicht den selben Traffic. Ich bin davon ausgegangen, das der Traffic 1zu1 weitergleitet wird. Wir wollen später über IPtables den Trafic zwischen eth2 und eth3 Filtern (FW/iptables). Anbei meine Config, für den goldenen Tipp wäre ich dankbar.
 
[root at fil-fra network-scripts]# more ifcfg-*
::::::::::::::
ifcfg-br0
::::::::::::::
DEVICE=br0
TYPE=Bridge
IPADDR=192.168.10.2
NETMASK=255.255.255.0
BROADCAST=192.168.10.255
NETWORK=192.168.10.0
STP=no
IPV6INIT=no
ONBOOT=yes
BOOTPROTO=none
::::::::::::::
ifcfg-eth0
::::::::::::::
# Intel Corporation 82546EB Gigabit Ethernet Controller (Copper)
DEVICE=eth0
BOOTPROTO=none
BROADCAST=xx.xx.18.63
HWADDR=00:0E:0C:68:06:F0
IPADDR=xx.xx.18.50
IPV6INIT=no
IPV6_AUTOCONF=no
NETMASK=255.255.255.192
NETWORK=xx.xx.18.0
ONBOOT=yes
GATEWAY=xx.xx.18.1
TYPE=Ethernet
::::::::::::::
ifcfg-eth1
::::::::::::::
# Intel Corporation 82546EB Gigabit Ethernet Controller (Copper)
DEVICE=eth1
HWADDR=00:0E:0C:68:06:F1
ONBOOT=no
BOOTPROTO=dhcp
TYPE=Ethernet
::::::::::::::
ifcfg-eth2
::::::::::::::
# Intel Corporation 82546GB Gigabit Ethernet Controller (Copper)
DEVICE=eth2
HWADDR=00:1B:21:52:0F:78
ONBOOT=yes
BRIDGE=br0
::::::::::::::
ifcfg-eth3
::::::::::::::
# Intel Corporation 82546GB Gigabit Ethernet Controller (Copper)
DEVICE=eth3
HWADDR=00:1B:21:52:0F:79
ONBOOT=yes
BRIDGE=br0
::::::::::::::
ifcfg-eth4
::::::::::::::
# Intel Corporation 82546GB Gigabit Ethernet Controller (Copper)
DEVICE=eth4
HWADDR=00:1B:21:52:0F:7A
TYPE=ETHER
#BRIDGE=br1
ONBOOT=yes
BOOTPROTO=dhcp
::::::::::::::
ifcfg-eth5
::::::::::::::
# Intel Corporation 82546GB Gigabit Ethernet Controller (Copper)
DEVICE=eth5
HWADDR=00:1B:21:52:0F:7B
TYPE=ETHER
#BRIDGE=br1
ONBOOT=yes
BOOTPROTO=dhcp
::::::::::::::
ifcfg-lo
::::::::::::::
DEVICE=lo
IPADDR=127.0.0.1
NETMASK=255.0.0.0
NETWORK=127.0.0.0
# If you're having problems with gated making 127.0.0.0/8 a martian,
# you can change this to something else (255.255.255.255, for example)
BROADCAST=127.255.255.255
ONBOOT=yes
NAME=loopback
 
[root at fil-fra network-scripts]#uname -a
Linux fil-fra 2.6.18-164.el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 i686 i686 i386 GNU/Linux[root at fil-fra network-scripts]#brctl show
bridge name     bridge id               STP enabled     interfaces
br0             8000.001b21520f78       no              eth3
                                                        eth2
[root at fil-fra network-scripts]#[root at rtp-filter-frankfurt network-scripts]# ifconfig -a
br0       Link encap:Ethernet  HWaddr 00:1B:21:52:0F:78
          inet addr:192.168.10.2  Bcast:192.168.10.255  Mask:255.255.255.0
          inet6 addr: fe80::21b:21ff:fe52:f78/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8454 errors:0 dropped:0 overruns:0 frame:0
          TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:413866 (404.1 KiB)  TX bytes:8500 (8.3 KiB)
eth0      Link encap:Ethernet  HWaddr 00:0E:0C:68:06:F0
          inet addr:xx.xx.18.50  Bcast:xx.xx.18.63  Mask:255.255.255.192
          inet6 addr: fe80::20e:cff:fe68:6f0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:42052 errors:0 dropped:0 overruns:0 frame:0
          TX packets:47260 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:5850469 (5.5 MiB)  TX bytes:28105052 (26.8 MiB)
          Base address:0x3040 Memory:fe8c0000-fe8e0000
...
eth2      Link encap:Ethernet  HWaddr 00:1B:21:52:0F:78
          inet6 addr: fe80::21b:21ff:fe52:f78/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:361408 errors:0 dropped:0 overruns:0 frame:0
          TX packets:204 errors:0 dropped:0 overruns:0 carrier:0
          collisions:1 txqueuelen:100
          RX bytes:41240902 (39.3 MiB)  TX bytes:54453 (53.1 KiB)
          Memory:fe780000-fe7a0000
eth3      Link encap:Ethernet  HWaddr 00:1B:21:52:0F:79
          inet6 addr: fe80::21b:21ff:fe52:f79/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:196596 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:12424750 (11.8 MiB)
          Memory:fe7a0000-fe7c0000
...


lg Jan
 

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