[ovs-discuss] OVS

[Gregory Rose]

On 3/23/2019 2:28 AM, Ammu wrote:
> Hey Greg,
>
> The recent check with OVS 2.10.1 version was done with CentOS Linux 
> release 7.3.1611
>
> But, I will have to support the solution with distributions CentOS/Red 
> Hat/Ubuntu.
>
> Currently giving you the output of distribution CentOS alone.
>
> [root at localhost ~]# modinfo openvswitch
> filename: 
>  /lib/modules/3.10.0-514.el7.x86_64/kernel/net/openvswitch/openvswitch.ko
> license:        GPL
> description:    Open vSwitch switching datapath
> rhelversion:    7.3
> srcversion:     B31AE95554C9D9A0067F935
> depends: 
> nf_conntrack,nf_nat,libcrc32c,nf_nat_ipv6,nf_nat_ipv4,nf_defrag_ipv6
> intree:         Y
> vermagic:       3.10.0-514.el7.x86_64 SMP mod_unload modversions
> signer:         CentOS Linux kernel signing key
> sig_key: D4:88:63:A7:C1:6F:CC:27:41:23:E6:29:8F:74:F0:57:AF:19:FC:54
> sig_hashalgo:   sha256

OK, I wanted to make sure that's the case before I do the repro attempt 
today.  I'm using a 7.5 based
driver but it should be substantially the same.  I'll update in a bit 
after I try it out.

Thanks,

- Greg

>
> -
> Keerthana
>
> On Sat, Mar 23, 2019 at 3:33 AM Gregory Rose <gvrose8192 at gmail.com 
> <mailto:gvrose8192 at gmail.com>> wrote:
>
>
>
>     On 3/22/2019 6:59 AM, Ammu wrote:
>>     Hello,
>>
>>     As suggested, I tried the same with
>>     *openvswitch-2.10.1-3.el7.x86_64.rpm*.
>>     Kernel details: *Linux 3.10.0-514.el7.x86_64*
>>     *
>>     *
>>     I still see the DF bit set in the outer IP layer of the tunnelled
>>     packets. (Be it either in GRE/VxLAN configuration)
>>
>>     Herewith, I am attaching the OVS configuration that I have made.
>>
>>     And, I have attached a sample packet captured for both vxlan and
>>     gre tunnelling.
>
>     So I am presuming you are using the Cent-OS/RHEL 7 built-in kernel
>     module?  Because it behaves quite differently.
>
>     Could you provide the output of this command:
>
>     'modinfo openvswitch'
>
>     Thanks,
>
>     - Greg
>

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