On 2/22/16 5:20 AM, gayathri.manepa...@wipro.com wrote:
Hi Arun,
Please find my comments inline,
1. When I send untagged or ctagged packets on veth0, the tshark
capture on veth2 shows another tag being added with VLAN 100 as
expected. However, the tpid is "8100" rather than 88a8 as expected.
//In our test bed we are using Spirent as traffic gen and we are able
to see tpid as “88a8”. Can you share which traffic generator and
capture tool you are using ?
2. When I try to send packets on veth2, I am not seeing any packets
come through to veth0.
// If you want to send packets from veth2(trunk mode) to veth0
(trunk-qinq mode), you have to send tagged packet (with vlan id as 100
as per your below configuration) , otherwise packet will get dropped.
3. Also I would like to change the outer tag to 9100 instead of 88a8.
Is this possible? I can also make code changes if required.
// Current implementation is based on IEEE standard 802.1ad(tpid
88a8). However we have plan to make this configurable then 9100 can be
supported. Feel free to make necessary code changes to make this
configurable and share the source code.
I am currently working on the earlier version of my 802.1ad patch to add
both TPIDs as well as CFI's to the flow structure in the user space
patch. When this is accomplished, protocol numbers other then 88a8 and
8100 should be functional.
Thanks & Regards,
Gayathri
*From:*arun ganesh [mailto:arunganes...@gmail.com]
*Sent:* Friday, February 19, 2016 1:24 PM
*To:* discuss@openvswitch.org
*Cc:* Manepalli S Gayathri (NEP) <gayathri.manepa...@wipro.com>;
Sanjeev Sharma (Cisco) <sanjeev.sharm...@wipro.com>
*Subject:* 802.1 ad patch /patch/584074/
Hi,
I included the patch https://patchwork.ozlabs.org/patch/584074/ into
openvswitch-2.4.0 and running the compiled image.
I have configured the below, where veth0 and veth2 are 2 virtual
interfaces.
[root@localhost ~]# ovs-vsctl show
92950bce-8b0f-41bc-b197-cd9ed432bb4b
Bridge "br0"
Port "veth2"
Interface "veth2"
Port "br0"
Interface "br0"
type: internal
Port "veth0"
Interface "veth0"
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]# ovs-vsctl set port veth0 tag=100 vlan_mode=trunk-qinq
The problems that I am seeing are below.
1. When I send untagged or ctagged packets on veth0, the tshark
capture on veth2 shows another tag being added with VLAN 100 as
expected. However, the tpid is "8100" rather than 88a8 as expected.
2. When I try to send packets on veth2, I am not seeing any packets
come through to veth0.
Am I missing something here? Please clarify.
3. Also I would like to change the outer tag to 9100 instead of 88a8.
Is this possible? I can also make code changes if required.
Regards,
Arun
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