Hi,When I was talking about VMs in my previous mail I was in reality referring
to qemu/kvm, but I was was also using VMware Workstation for many years,
without any problems.I doesn't sound unreasonable to think that they might have
changed their default network policies, so this is a good place to start
looking.Actually, the main reason for introducing UDP as an alternative to bare
Ethernet was exactly that we anticipated this kind of problems.In your own
network you can probably fix this, but there might be cases where you cannot
influence the network provider this way.
///jon
On Tuesday, January 5, 2021, 09:24:32 AM EST, Duzan, Gary D via
tipc-discussion <tipc-discussion@lists.sourceforge.net> wrote:
Thanks, Jon. I've forwarded your information request to the site. We did get
things working over UDP (using the same interfaces), so we know IP is working
and the netid configuration is ok. I still suspect that the VMware virtual
network configuration is squashing non-IP traffic, so I'm focusing on that
angle.
Gary Duzan
________________________________
From: Jon Maloy <jma...@redhat.com>
Sent: Monday, January 4, 2021 8:01 PM
To: Duzan, Gary D <gary.du...@fisglobal.com>;
tipc-discussion@lists.sourceforge.net <tipc-discussion@lists.sourceforge.net>
Subject: EXTERNAL: Re: [tipc-discussion] Discovery between VMs
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Hi Gary,
There are no known problems with connecting between VMs. As a matter of
fact, that is the way we run almost all the time.
Have you tried just to ping between the two VMs, using the same
interfaces? If that works they should definitely find each other.
If you can ping and they still don't discover each other, check the
cluster id (aka network id) by doing 'tipc node get netid' on both sides.
If the interfaces don't have IP addresses you could assign those
temporarily, just to check.
What do the commands 'tipc link list' and 'tipc bearer list' show you?
BR
Jon Maloy
On 1/4/21 4:22 PM, Duzan, Gary D via tipc-discussion wrote:
> I'm new here, and I have trouble getting to SourceForge through the
>corporate proxy, so forgive me if this is an FAQ. I'm trying to get TIPC
>working at a remote site between two VMs running Ubuntu 18.04 which at least
>appear to be on the same IP subnet. The node address is set to distinct values
>on both hosts (as 18.04 had other TIPC which required the manual config), and
>the broadcast bearer is there, but they don't appear to be discovering each
>other as the client gets a Host Unreachable trying to do a sendto(). I believe
>the VMs are running under VMware, but getting visibility on that could be
>tricky. The TIPC code works fine between physical hosts locally.
>
> Are there known problems getting the ethernet broadcast between VMs
>working? I believe I have the proper incantation to use a UDP bearer for use
>as a fallback, but I'd rather not use it if I don't have to.
>
> Thanks.
>
> Gary Duzan
>
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