[Dnsmasq-discuss] Sending user-specified default gateway with RAs

William Edwards wedwards at cyberfusion.nl
Sun Feb 23 10:41:47 GMT 2020


I use dnsmasq to provide DHCP. IPv4 is working well, but I'm struggling to configure IPv6. I use DHCPv6 and Router Advertisements and get a /64 when requesting a DHCP lease, which is according to my configuration.

However: the RA contains a default route to the dnsmasq server, but the default gateway should be my router, which is located at another address. I have looked through the documentation carefully, but cannot find any way to supply my own default gateway to RAs.

Although I am aware that DHCPv6 is not in charge of supplying the default gateway, I set 'dhcp-option=option6:router' as a test, but dnsmasq refused to start up afterwards.

Question: how do I configure dnsmasq to supply a user-specified default gateway address in RAs?

Met vriendelijke groeten,

William Edwards
T. 040 - 711 44 96
E. wedwards at cyberfusion.nl


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