[Dnsmasq-discuss] How to run dnsmasq as RA with A bit and O bit but without dhcpv6

[Xu He Jie]

Hi, folks

I am trying to run RA and stateless dhcpv6 in separeted host.

I have tried:
dnsmasq --interface l3outer -k -d --dhcp-range=2001:0:0:1::,ra-stateless 
--no-resolv -I lo
But I found it still provide stateless dhcpv6 service.
How can I run dnsmasq as RA with A bit and O bit, but without stateless 
dhcpv6?

And I run dnsmasq as stateless dhcpv6 as below:
dnsmasq --interface l3outer -k -d --dhcp-range=::,static --dhcp-option 
option6:dns-server,[2111:0:0:1::3] --no-resolv -I lo
I tested that works for me. So it is the right way, right?

And another question, I found dnsmasq always provide 'rdnss' whatever 
the mode

17:47:47.803104 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) 
payload length: 88) fe80::4ca5:93ff:fed0:7467 > ff02::1: [icmp6 sum ok] 
ICMP6, router advertisement, length 88
         hop limit 64, Flags [other stateful], pref medium, router 
lifetime 1800s, reachable time 0s, retrans time 0s
           prefix info option (3), length 32 (4): 2001:0:0:1::/64, Flags 
[onlink, auto], valid time 3600s, pref. time 3600s
             0x0000:  40c0 0000 0e10 0000 0e10 0000 0000 2001
             0x0010:  0000 0000 0001 0000 0000 0000 0000
           mtu option (5), length 8 (1):  1500
             0x0000:  0000 0000 05dc
           source link-address option (1), length 8 (1): 4e:a5:93:d0:74:67
             0x0000:  4ea5 93d0 7467
           rdnss option (25), length 24 (3):  lifetime 1200s, addr: 
2001:0:0:1::1
             0x0000:  0000 0000 04b0 2001 0000 0000 0001 0000
             0x0010:  0000 0000 0001

Is this right behavior?

I will appreciate any help from you!

Thanks
Alex


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