[ovs-discuss] communication among VMs in multiple physical hosts
Nan
codingcatovs at gmail.com
Fri Oct 18 23:10:01 UTC 2013
Hi, Alex,
I'm sorry for the in accurate description
When I say host, I actually mean VMs
in the physical host where the VMs run, here is the ovs-vsctl output
zhunan at zhunan-PowerEdge-R210-II:~$ sudo ovs-vsctl show
[sudo] password for zhunan:
01db97ba-8174-40f6-9648-f8f14a317e2b
Bridge "br0"
Port "eth0"
Interface "eth0"
Port "br0"
Interface "br0"
type: internal
Port "eth1"
Interface "eth1"
route:
zhunan at zhunan-PowerEdge-R210-II:~$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.55.1 0.0.0.0 UG 100 0 0 br0
link-local * 255.255.0.0 U 1000 0 0 br0
192.168.2.0 * 255.255.255.0 U 1 0 0 eth1
192.168.3.0 * 255.255.255.0 U 1 0 0 eth2
192.168.4.0 * 255.255.255.0 U 1 0 0 eth3
192.168.5.0 * 255.255.255.0 U 1 0 0 eth4
192.168.55.0 * 255.255.255.0 U 0 0 0 br0
ifconfig
zhunan at zhunan-PowerEdge-R210-II:~$ ifconfig
br0 Link encap:Ethernet HWaddr d4:ae:52:c7:cf:08
inet addr:192.168.55.142 Bcast:192.168.55.255 Mask:255.255.255.0
inet6 addr: fe80::d6ae:52ff:fec7:cf08/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:406721 errors:0 dropped:0 overruns:0 frame:0
TX packets:176838 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:24463921 (24.4 MB) TX bytes:907800808 (907.8 MB)
eth0 Link encap:Ethernet HWaddr d4:ae:52:c7:cf:08
inet6 addr: fe80::d6ae:52ff:fec7:cf08/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:412749 errors:0 dropped:0 overruns:0 frame:0
TX packets:700699 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:32320511 (32.3 MB) TX bytes:945171762 (945.1 MB)
Interrupt:16 Memory:c0000000-c0012800
eth1 Link encap:Ethernet HWaddr d4:ae:52:c7:cf:09
inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::d6ae:52ff:fec7:cf09/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2448 errors:0 dropped:0 overruns:0 frame:0
TX packets:1262 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:227749 (227.7 KB) TX bytes:112990 (112.9 KB)
Interrupt:17 Memory:c2000000-c2012800
eth2 Link encap:Ethernet HWaddr 90:e2:ba:29:62:08
inet addr:192.168.3.1 Bcast:192.168.3.255 Mask:255.255.255.0
inet6 addr: fe80::92e2:baff:fe29:6208/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:770 errors:0 dropped:0 overruns:0 frame:0
TX packets:189 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:362292 (362.2 KB) TX bytes:19946 (19.9 KB)
Memory:c6820000-c6840000
eth3 Link encap:Ethernet HWaddr 90:e2:ba:29:62:09
inet addr:192.168.4.1 Bcast:192.168.4.255 Mask:255.255.255.0
inet6 addr: fe80::92e2:baff:fe29:6209/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2625 errors:0 dropped:0 overruns:0 frame:0
TX packets:142 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:659987 (659.9 KB) TX bytes:21081 (21.0 KB)
Memory:c6800000-c6820000
eth4 Link encap:Ethernet HWaddr 90:e2:ba:29:62:0c
inet addr:192.168.5.1 Bcast:192.168.5.255 Mask:255.255.255.0
inet6 addr: fe80::92e2:baff:fe29:620c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:361 errors:4 dropped:0 overruns:0 frame:2
TX packets:147 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:166862 (166.8 KB) TX bytes:21628 (21.6 KB)
Memory:c5c20000-c5c40000
eth5 Link encap:Ethernet HWaddr 90:e2:ba:29:62:0d
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Memory:c5c00000-c5c20000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:166704 errors:0 dropped:0 overruns:0 frame:0
TX packets:166704 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:212921229 (212.9 MB) TX bytes:212921229 (212.9 MB)
vnet0 Link encap:Ethernet HWaddr fe:54:00:52:1c:bb
inet6 addr: fe80::fc54:ff:fe52:1cbb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:168 errors:0 dropped:0 overruns:0 frame:0
TX packets:38347 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:13620 (13.6 KB) TX bytes:3431818 (3.4 MB)
Thank you for your patience
Best,
--
Nan
On Friday, 18 October, 2013 at 5:38 PM, Alex Wang wrote:
> Hey Nan,
>
> Could you explain more the following points?
>
> > But my problem is that I can add ports to br0 while keeping connection works, I cannot make bridge to forward the packet to the correct place
> >
> > like in the bridge I have 4 ports, eth0 to 192.168.55.1, eth1 to 192.168.2.2
> >
> > eth3, eth4 are connecting to the hosts,
>
>
> Which hosts are eth3,eth4 connected to? or you mean VMs?
>
>
> > hosts send packet to both of the segments, I created a bridge with eth0, but how can I make bridge forward packets to 192.168.2.* to eth1?
> >
> > in my cluster, they are always forward to eth0
>
> Could you provide the following command output from host1?
> ovs-vsctl show,
> route,
> ifconfig,
>
> So, I can have a better understanding of the whole setup.
>
> Thanks,
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