[Dnsmasq-discuss] gatway

Moritz Warning moritzwarning at web.de
Wed Oct 2 14:47:06 BST 2013

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The gateway in our network isn't always present.
So it won't be able to announce a prefix all the time.
Yet, every new computer need to know a prefix
to communicate with other computers on the network.
I would assume that this is common scenario.

Btw., ra-names is not really necessary for us.
We just want to gives connected computers a
prefix and at some point in the future the
address and prefix of the gateway as well.
router-advertisements/-solicitations are blocked on the network
except between a computer (client) and the router it is connected to.
It is a public mesh network. :-)

On 10/02/2013 11:44 AM, Simon Kelley wrote:
> On 02/10/13 02:57, Moritz Warning wrote:
> Hi,
> is it possible to tell dnsmasq not to announce itself as router?
> The problem is that connected computers try to use the router as gateway.
> The router is not the gateway of the network, but some other computer.
> For what it matter, this is the IPv6 setting in my Dnsmasq (version 2.66) configuration:
> dhcp-range=public,fdef:1700:bbbb::,ra-names,slaac,64,infinite
>> I don't think it is, except by stopping it from advertising prefixes as well, (ie, remove the above line completely). The protocol doesn't (AFAIK) allow prefix advertisements which are not also router advertisements.
>> It _might_ be possible to do the ra-names functionality whilst leaving router/prefix announcement to another host, it would required code changes and I've not thought hard about if it would work or be desirable.
>> Cheers,
>> Simon.
> thanks,
> mwarning
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