Dnsmasq配置如下：
enable-ra
dhcp-range=::1,constructor:eth2,ra-only,12h
except-interface=ppp0
Wide-dhcpv6配置如下：
profile default
{
information-only;
request domain-name-servers;
request domain-name;
script "/etc/wide-dhcpv6/dhcp6c-script";
};
interface ppp0 {
# Request Prefix Delegation on ppp0, and give the received prefix id 0
send ia-pd 0;
};
# Use subnets from the prefix with id 0
id-assoc pd 0 {
prefix ::/64 infinity;
prefix-interface eth2 {
sla-len 0;
sla-id 1;
ifid 1;
};
};
如果有多个内网网口，配置变更如下：
profile default
{
information-only;
request domain-name-servers;
request domain-name;
script "/etc/wide-dhcpv6/dhcp6c-script";
};
interface ppp0 {
# Request Prefix Delegation on ppp0, and give the received prefix id 0
send ia-pd 0;
};
# Use subnets from the prefix with id 0
id-assoc pd 0 {
prefix ::/64 infinity;
prefix-interface eth1 {
sla-len 0;
sla-id 1;
ifid 1;
}; prefix-interface eth2 {
sla-len 0;
sla-id 1;
ifid 1;
};
};
sysctl.conf部分配置如下：
net.ipv6.conf.eth2.accept_ra=2
net.ipv6.conf.ppp0.accept_ra=2
net.ipv6.conf.all.use_tempaddr=0
net.ipv6.conf.default.use_tempaddr=0
service服务文件如下：
[Unit]
Description=wide-dhcpv6
Before=dnsmasq.service
After=network.target
[Service]
ExecStart=/usr/sbin/dhcp6c -c /etc/wide-dhcpv6/dhcp6c.conf -P default -d -D -f ppp0
RemainAfterExit=true
[Install]
WantedBy=multi-user.target
/etc/ppp/option配置文件部分如下：
+ipv6 ipv6cp-use-ipaddr