Thanks Fajar, I'll look into the workaround.

On 7/1/20 12:40 AM, Fajar A. Nugraha wrote:
> On Wed, Jul 1, 2020 at 1:05 PM Joshua Schaeffer
> <jschaef...@harmonywave.com> wrote:
>> And the really odd part is that if I try to actually ping *from* the 
>> container *to* my local box it works AND afterwards my original ping *from* 
>> my local box *to* the container starts to work.
> I had a similar problem on a vmware system some time ago. Gave up
> trying to fix it (I don't manage the vmware system), implement a
> workaround instead.
>
> Its either:
> - duplicate IP somewhere on your network
> - your router or switch somehow can't manage arp cache for the container hosts
>
> My workaround is to install iputils-arping (on ubuntu), and (for your
> case) do something like this (preferably on a systemd service)
>
> arping -I veth-mgmt -i 10 -b 10.2.28.1
>
> Or you could replace it with ping, whatever works for you.
>

-- 
Thanks,
Joshua Schaeffer

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