I put my fritzbox 7360 a little bit away, it only works as a VDSL modem now.
I took my TP-LINK AC1750 (archer C7), put LEDE Reboot 17.01.4 r3560-79f57e422d / LuCI lede-17.01 branch (git-17.290.79498-d3f0685) (is this correct actual version?).
It has 4 ports LAN, 2 WLAN and a WAN connector. The fritzbox is connected as a VDSL modem to, the WAN and LEDE does pppoe.
The whole setup works fine for all LAN clients and WLAN clients, perfect.
However, system uses weird IP for a ddns address:
my ddns for zappa.mig19.de works fine:
090837 : Detect registered/public IP 090837 : #> /usr/bin/nslookup zappa.mig19.de >/var/run/ddns/myddns_ipv4.dat 2>/var/run/ddns/myddns_ipv4.err 090837 : Registered IP '18.104.22.168' detected 090837 WARN : Updating IP at DDNS provider failed - starting retry 2/0 090837 : Detect local IP on 'network' 090837 : Local IP '22.214.171.124' detected on network 'wan' 090837 : Update needed - L: '126.96.36.199' <> R: '188.8.131.52' 090837 : #> /bin/uclient-fetch -q -O /var/run/ddns/myddns_ipv4.dat -Y off 'https://CUSTOM_SECRET_URL' 2>/var/run/ddns/myddns_ipv4.err 090838 : DDNS Provider answered: ok 090838 info : Update successful - IP '184.108.40.206' send 090838 info : Forced update successful - IP: '220.127.116.11' send 090838 : Waiting 600 seconds (Check Interval)
The new IP is used and updated everywhere on the internet, currently for example ping.eu correctly says the following:
--- PING zappa.mig19.de (18.104.22.168) 56(84) bytes of data. --- 64 bytes from 22.214.171.124: icmp_seq=1 ttl=58 time=20.4 ms 64 bytes from 126.96.36.199: icmp_seq=2 ttl=58 time=20.3 ms 64 bytes from 188.8.131.52: icmp_seq=3 ttl=58 time=20.3 ms 64 bytes from 184.108.40.206: icmp_seq=4 ttl=58 time=20.5 ms
Double check ifconfig, if 220.127.116.11 is correct:
pppoe-wan Link encap:Point-to-Point Protocol inet addr:18.104.22.168 P-t-P:22.214.171.124 Mask:255.255.255.255 [...]
Bot local system uses some weird old address:
root@archer-c7:~# ping zappa.mig19.de PING zappa.mig19.de (126.96.36.199): 56 data bytes 64 bytes from 188.8.131.52: seq=0 ttl=63 time=33.186 ms
If I stop dnsmasq system uses actual correct address but connected clients have no DNS anymore at all.
I appreciate your help very much, is there something wrong with dnsmasq?