​hi,

we have tested without VMware environment. the issue is still seen. while
upgrading kernel, vlan tagging is being stripped out.  Please let me know
if you have any inputs.

Thanks,
Anitha

On Fri, Sep 18, 2015 at 12:00 PM, Anitha Subramanian <
anitha.las...@gmail.com> wrote:

> Hi,
>
> vlan is not working when we upgrade linux kernel from 2.6.32-431.el6.i686
> to 2.6.32-573.3.1.el6.i686.
>
> Tried e1000 drivers:
>  e1000 7.3.21
>  e1000 8.0.35-NAPI
> when testing with one of above e1000 driver versions, we have tried to use
> intermediate kernel versions between working and failure of vlan trunking,
> the results of uname are below.
> kernel-2.6.32-431.el6.i686 - passed
> kernel-2.6.32-504.16.2.el6.i686 -passed
> kernel-2.6.32-504.23.4.el6.i686 -not working
> kernel-2.6.32-504.30.3.el6.i686  - not working
> kernel-2.6.32-573.3.1.el6.i686 -not working
> Linux centos-6.5 2.6.36  -passed
> Linux centos-6.5 3.5.0 - not working
>
> we have tried both embedded and standalone drivers and the result is same.
> the vlan tagged packets are received in linux and linux is removing its tag
> and gives to our application. so we see vlan ping failure with "wrong
> cable" message.
> as mentioned in search forum, we have tried to turn on/off rx-vlan-filter
> and offload setting, but we could not change it, as it is denoted as
> [fixed].
> just to confirm the issue with pcnet32 driver with failure kernel,
> eventhough rx-vlan-filter is off as below, still facing issue.
> [root@localhost drivers]# ethtool -k eth5 | grep vlan
>  rx-vlan-offload: off [fixed]
>  tx-vlan-offload: off [fixed]
>  rx-vlan-filter: off [fixed]
>  vlan-challenged: off [fixed]
>
> we don't have the option to use e1000e driver.
> Please let me know if any specific information is required. can you please
> suggest us the latest stable kernel of 3.x version and e1000 driver
> combination where rx vlan tagging works ?
>
> Appreciate your inputs on this.
>
> Thanks,
> Anitha
>
> PS: below bug is raised. but as per Todd suggestion in below mail thread,
> sending this email to alias.
> https://sourceforge.net/p/e1000/bugs/491/
>
>
>
> ---------- Forwarded message ----------
> From: Todd Fujinaka <htfuj...@users.sf.net>
> Date: Wed, Sep 16, 2015 at 7:36 PM
> Subject: [e1000:bugs] #491 vlan tag removed in promiscuous mode with
> kernel 2.6.32-573.3.1.el6.i686 and e1000 driver
> To: "[e1000:bugs]" <4...@bugs.e1000.p.re.sf.net>
>
>
>
>    - *status*: open --> closed
>    - *Comment*:
>
> e1000 drivers are supported by the community. Please try the e1000-devel
> mailing list or contact vmware.
> ------------------------------
>
>
>
>
>
>
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