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Re: VxLAN / VLAN gateway (l2gw)

On 3/3/21 9:05 AM, Kees Meijs | Nefos wrote:
> Hi,
> (And hi again: back in 2020 we corresponded about bug #949845 in Open
> vSwitch 2.10.)

This must have been resolved by the latest security uploads that
contains the latest upstream release for the 2.10 branch.

> On 18-02-2021 16:06, Thomas Goirand wrote:
>> I'm not sure what you want to know. FYI, there's also this, which I
>> maintain in Debian:
>> https://salsa.debian.org/openstack-team/debian/openstack-cluster-installer
>> and I use it to maintain 8 OpenStack clusters in production so far (with
>> a variety of features, like with/without ceph, with/without Swift,
>> with/without compute, with/without Telemetry, etc.).
>> I know Michal Arbet (aka: Kevko) uses the Debian backported package with
>> Ansible (so a very different way to setup things).
> We're into Puppet but I guess that's more a matter of preference. :-)

Puppet is what my installer (link above) uses. :)

> Anyway, I'm curious about either software based L2 bridging (using Open
> vSwitch or an appliance such as Cumulus) or hardware, albeit on a
> switching or routing platform. Any experience in practice?

With my cluster management software, you can do either a big L2 segment,
or using routing to the host (BGP networking). However, in the later
case, you must not use DVR (so all of the trafic goes through the
network nodes, which must be L2 connected).

We're very happy with bgp-to-the-host, it scales very well, and it's
easier to manage than EVPN on the switches.


Thomas Goirand (zigo)

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