[Dnsmasq-discuss] HA Cluster - IPv6 router adv lifetime of 0

William Edwards wedwards at cyberfusion.nl
Sat Oct 2 11:55:57 UTC 2021

Jochen Demmer via Dnsmasq-discuss schreef op 2021-10-02 10:28:
> Hi,
> I've been trying to develop my own kind of firewall solution named
> nftwall which uses nftables as packet filter and is being managed
> centrally by Ansible - no webGUI.
> My first attempt was to use dnsmasq but then I found out of this
> obstacle. I've been thinking about switching to KEA + radvd but
> actually I would like to keep using dnsmasq.
> I manage my VRRP IPs with keepalived. There are small scripts for an
> event of a primary - secondary change. Especially in an event of
> controlled switch of primary - secondary I would like the primary
> dnsmasq to send a lifetime of 0 in the router advertisement package.
> That way the clients know that this router shall not be used any more.

No experience with RAs so far, but isn't that what the priority field is 

> Please confirm my findings that this is currently not possible with
> dnsmasq. If so please accept my feature request to implement that.
> Regards
> Jochen Demmer
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With kind regards,

William Edwards

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