[Dnsmasq-discuss] dnsmasq not responding to RS

Ma Ruxiao mrx at hcc.im
Sat May 18 19:49:11 BST 2013


I'm trying to use dnsmasq with IPv6 support to gain IPv6 access behind the router.

My router is running OpenWrt with Dnsmasq 2.62:

Dnsmasq version 2.62  Copyright (c) 2000-2012 Simon Kelley
Compile time options: IPv6 GNU-getopt no-DBus no-i18n no-IDN DHCP DHCPv6 no-Lua TFTP no-conntrack

conf file:

/var/etc/dnsmasq.conf:

conf-file=/etc/dnsmasq.conf
dhcp-authoritative
domain-needed
log-queries
localise-queries
read-ethers
bogus-priv
expand-hosts
domain=lan
server=/lan/
dhcp-leasefile=/tmp/dhcp.leases
resolv-file=/tmp/resolv.conf.auto

dhcp-range=lan,10.224.19.136,10.224.39.15,255.224.0.0,12h
no-dhcp-interface=eth0.2

/etc/dnsmasq.conf:

dhcp-range=2001:da8:205:406a::, slaac
enable-ra
log-dhcp

Interfaces:
br-lan is the internal network
eth0.2 is the external network

Now I can see from the log that dnsmasq is receiving RS:

May 19 02:35:06 OpenWrt-DreamBox daemon.info dnsmasq-dhcp[13818]: RTR-SOLICIT(br-lan) b8:f6:b1:16:e3:37

but I never get any RA reply. However the periodic RA towards the external network works fine:

May 19 02:35:14 OpenWrt-DreamBox daemon.info dnsmasq-dhcp[13818]: RTR-ADVERT(eth0.2) 2001:da8:205:406a::

Are there something wrong with my config file?
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