[systemd-devel] [PATCH] Add FDB support

[Camilo Aguilar]

would this work the same for VXLAN?

On Thu Dec 11 2014 at 11:59:05 AM Rauta, Alin <alin.rauta at intel.com> wrote:

> Hi Lennart,
>
> Thanks for your quick response.
>
> Regarding the naming "FDBEntry". My inspiration was the bridge tool
> command.
> To add an entry using bridge command:
> "bridge fdb add 44:44:12:34:56:73 dev em1 vlan 10 "
>
>  If "FDBControlled" is no (default value) then the forwarding database
> table for current port is not touched even if we have entries in the
> [FDBEntry] section of the file.
> The reason behind introducing "FDBControlled" is that we want to have the
> table cleared even if we don't want to add entries.
>
> So, if FDBControlled is set to yes, networkd clears the existing entries
> (if any) and adds those specified in the FDBEntry section(if any).
>
> Do you have any other suggestion for [FDBEntry] ?
>
> Best Regards,
> Alin
> -----Original Message-----
> From: Lennart Poettering [mailto:lennart at poettering.net]
> Sent: Thursday, December 11, 2014 4:16 PM
> To: Rauta, Alin
> Cc: systemd-devel at lists.freedesktop.org; Kinsella, Ray
> Subject: Re: [systemd-devel] [PATCH] Add FDB support
>
> On Thu, 11.12.14 08:07, Alin Rauta (alin.rauta at intel.com) wrote:
>
> > Hi,
> >
> > I've added support for handling the forwarding database table for a port.
> > FDB entries can be configured statically through the ".network" files.
> >
> > To resume,
> > - I've added a new boolean for the main network structure, named
> "FDBControlled" which is read from the .network file and defaults to false.
> > - I've added a new section "FDBEntry" accepting 2 key-value pairs:
> >      -MACAddress (mandatory)
> >      -VLAN (optional)
> >
> > When FDBControlled is set to "yes" in the network section, networkd:
> > - gets the FDB entries for current port;
> > - clears them
> > - configures those specified in the [FDBEntry] section.
> >
> > Configuration example:
> >
> > [Network]
> > DHCP=v4
> > FDBControlled=yes
> >
> > [FDBEntry]
> > MACAddress=44:44:12:34:56:71
> > VLAN=9
> >
> > [FDBEntry]
> > MACAddress=44:44:12:34:56:72
> > VLAN=10
>
>
> Hmm, quick thoughts regarding the naming: can we find a better name than
> [FDBEntry] for this? At least I cannot really make much sense of this.
>
> Could you improve the man page a bit, explaining what "fdb" actually is?
>
> Currently VLANs are configured in a [VLAN] section, with an Id= setting to
> configure the id. Maybe following this naming the setting you introduce
> above should be called VLANId?
>
> What happens if FDBControlled is no, but still FDBEntrys specified?
>
> Lennart
>
> --
> Lennart Poettering, Red Hat
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