On 6/7/2019 12:57 PM, Cong Wang wrote:
On Thu, Jun 6, 2019 at 12:36 AM Steinar H. Gunderson
wrote:
On Wed, Jun 05, 2019 at 06:17:51PM -0700, Cong Wang wrote:
Hmm, sounds like openvswitch should pad the packets in this scenario,
like hardware switches padding those on real wires.
Well, openv
On Fri, Jun 07, 2019 at 12:57:57PM -0700, Cong Wang wrote:
>> Well, openvswitch say that they just throw packets around and assume they're
>> valid... :-)
> _If_ the hardware switch has to pad them (according to what you said),
> why software switch doesn't?
Trust me, I'm telling them they have to
On Thu, Jun 6, 2019 at 12:36 AM Steinar H. Gunderson
wrote:
>
> On Wed, Jun 05, 2019 at 06:17:51PM -0700, Cong Wang wrote:
> > Hmm, sounds like openvswitch should pad the packets in this scenario,
> > like hardware switches padding those on real wires.
>
> Well, openvswitch say that they just thro
On Wed, Jun 05, 2019 at 06:17:51PM -0700, Cong Wang wrote:
> Hmm, sounds like openvswitch should pad the packets in this scenario,
> like hardware switches padding those on real wires.
Well, openvswitch say that they just throw packets around and assume they're
valid... :-)
In any case, if you ta
On Wed, Jun 5, 2019 at 12:27 AM Steinar H. Gunderson
wrote:
>
> On Tue, Jun 04, 2019 at 09:31:42PM -0700, Cong Wang wrote:
> >> This works fine for large packets, but the system in the other end
> >> drops smaller packets, such as ARP requests and small ICMP pings.
> > Is the other end Linux too?
On Tue, Jun 04, 2019 at 09:31:42PM -0700, Cong Wang wrote:
>> This works fine for large packets, but the system in the other end
>> drops smaller packets, such as ARP requests and small ICMP pings.
> Is the other end Linux too?
Yes and no. The other end is Linux with Open vSwitch, which sends the
On Thu, May 30, 2019 at 2:08 AM Steinar H. Gunderson
wrote:
>
> Hi,
>
> I'm trying to connect some VMs over EoGRE (using gretap on my side):
>
> ip link add foo type gretap remote local
>
> This works fine for large packets, but the system in the other end
> drops smaller packets, such as ARP
On Fri, May 31, 2019 at 12:38:32AM +0200, Steinar H. Gunderson wrote:
> As a proof of concept (no error handling, probably poor performance, not
> implemented for IPv6, other issues?), this patch works and fixes my problem:
Hi,
Any comments on this?
/* Steinar */
--
Homepage: https://www.sesse.
On Thu, May 30, 2019 at 10:35:08AM +0200, Steinar H. Gunderson wrote:
> After looking at the GRE packets in Wireshark, it turns out the Ethernet
> packets within the EoGRE packet is undersized (under 60 bytes), and Linux
> doesn't pad them. I haven't found anything in RFC 7637 that says anything
>
