There aren't enough details here. Can you tell us the exact steps you used for 
configuring the VLANs on the host and guest?

Thanks.

Todd Fujinaka
Software Application Engineer
Networking Division (ND)
Intel Corporation
todd.fujin...@intel.com
(503) 712-4565

-----Original Message-----
From: Madhur Sethi [mailto:mad...@attivonetworks.com] 
Sent: Friday, October 03, 2014 5:12 AM
To: 'e1000-devel@lists.sourceforge.net'
Subject: [E1000-devel] igb 5.0.3-k driver doesnt pick up vlan tagged packets 
when using with openvswitch

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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