I am trying to setup a simple test case with openvswitch but im having
trouble with arp reply.
Here is my configuration
On host A I have a bridge hosting vm interface tagged on vlan 2
ovs-vsctl add-port br0 vif1.0 tag=2
On host B i have a simple bridge hosting an internal interface tagged on
vlan 2 and configured with IP on same network than my vm interface.
The interface was added whith the following command :
ovs-vsctl add-port br0 vlan2 tag=2 -- set Interface vlan2 type=internal
when trying to ping my VM interface from host B, I have no answer from
my VM.
while dumping network on my VM, I can see the the arp request and the
arp reply :
19:11:13.504167 arp who-has 172.3.0.2 tell 172.3.0.1
19:11:13.504925 arp reply 172.3.0.2 is-at 00:16:3e:68:3c:96 (oui
Unknown)
On host B, tcpdump gives me the following errors :
On the ethernet driver eth1, here is the dump
19:12:25.332533 arp who-has 172.3.0.2 tell 172.3.0.1
19:12:25.332947 IP0 bad-len 2
Extract from wireshark : Byte offset hex dump
0000 00 23 20 d9 d2 d9 00 16 3e 68 00 01 08 00 06 04 .# .....
>h......
0010 00 02 00 16 3e 68 81 00 00 02 3c 96 ac 03 00
02 ....>h.. ..<.....
0020 00 23 20 d9 d2 d9 ac 03 00 01 00 00 00 00 00
00 .# ..... ........
0030 00 00 00 00 00 00 00 00
decoded as
40 1079.705000 Xensourc_68:00:01 NiciraNe_d9:d2:d9 IP
Bogus IP length
(2, less than header length 24)
On the bridge br0 on Host B, here is the error :
19:13:22.173626 arp who-has 172.3.0.2 tell 172.3.0.1
19:13:22.174523 20:d9:d2:d9:00:16 (oui Unknown) > ff:ff:00:23:00:23 (oui
Unknown), ethertype Unknown (0x3e68), length 60:
0x0000: 0001 0800 0604 0002 0016 3e68 8100 0002 ..........>h....
0x0010: 3c96 ac03 0002 0023 20d9 d2d9 ac03 0001 <......#........
0x0020: 0000 0000 0000 0000 0000 0000 0000 ..............
What I am doing wrong to get this result ?
I tried with open vswitch v1.2.2 and Open vSwitch 1.2.90 but I have the
same result.
Thanks for any help
Olivier
Oliviergrep
--
Olivier Blanc
DGFiP - Bureau SI-1C - Division Transverse
Tél: +33 (0) 2 40 12 89 09
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