Hey Guys,
It seems there is an issue with the igb drivers not being able to receive VLAN
tagged traffic when used with openvswitch.
I am on Centos 6.5 with the following kernel:
3.10.51-1.el6.elrepo.x86_64
I have the following intel driver in my setup.
[root@XXX ~]# ethtool -i eth1
driver: igb
version: 5.0.3-k
firmware-version: 1.80, 0x00000000
bus-info: 0000:05:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
[root@XXX ~]# lspci | grep Ethernet
02:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
(rev 01)
02:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
(rev 01)
02:00.2 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
(rev 01)
02:00.3 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
(rev 01)
04:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
(rev 01)
04:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
(rev 01)
I use eth1 on the DOM-0 for physical connectivity to my vm via openvswitch
and an ip address is configured on the vm. When I try to ping another machine
in the same network with vlan 5 , it seems that the arps are going out but the
nic doesn't pick up the returning arps even though the other end is duly
replying to the arps.
[root@XXX ~]# tcpdump -i eth1 -ne arp
tcpdump: WARNING: eth1: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
16:30:13.035965 52:54:00:3c:77:f5 > Broadcast, ethertype 802.1Q (0x8100),
length 46: vlan 5, p 0, ethertype ARP, Request who-has 2.2.2.2 tell 2.2.2.3,
length 28
16:30:14.038195 52:54:00:3c:77:f5 > Broadcast, ethertype 802.1Q (0x8100),
length 46: vlan 5, p 0, ethertype ARP, Request who-has 2.2.2.2 tell 2.2.2.3,
length 28
I can see the arps being responded to on the other end. Can you guys help with
this?
Regards,
Madhur
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