[Users] Multicast issue with openvz VMs and CTs

[jjs - mainphrame]

Success -

I've found that keepalived, which is in the standard debian repos, works
well to provide a highly available virtual IP using openvz containers, and
is easy to set up.

I'll now move my default gateway IP from the proxmox CTs to the openvz CTs,
and breathe a sigh of relief.

Jake





On Sun, Jan 8, 2023 at 5:08 PM jjs - mainphrame <jjs at mainphrame.com> wrote:

> I've been doing some testing with ucarp, in debian VMs and containers.
>
> (ucarp is an implementation of VRRP, a means of providing a highly
> available floating virtual IP within a cluster of machines)
>
> It works fine on proxmox VMs and CTs, and I was hoping to get it working
> on openvz, but so far my attempts to get it fully up and running have
> failed.
>
> Basically, both nodes become master, because neither node is seeing the
> multicast traffic from the other.
>
> What is the secret of allowing multicast traffic to pass from openvz VMs
> and CTs, onto the lan?
>
> Jake
>
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