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Opened 5 years ago

Last modified 5 years ago

#13617 new defect

DNS Servers gets added twice

Reported by: anonymous Owned by: developers
Priority: low Milestone: Chaos Calmer 15.05
Component: packages Version: Trunk
Keywords: Cc:

Description

As title says, ipv4 dns servers advertised by ISP (PPPoE) gets added two times for some reason.

May 31 07:44:13 dexter daemon.notice pppd[9462]: Connect: pppoe-wan <--> eth0.2
May 31 07:44:13 dexter daemon.info dnsmasq-dhcp[1961]: DHCPINFORM(br-lan) 192.168.199.201 cc:5b:xx:0a:xx:b1 
May 31 07:44:13 dexter daemon.info dnsmasq-dhcp[1961]: DHCPACK(br-lan) 192.168.199.201 cc:5b:xx:0a:xx:xx xxxxxxx
May 31 07:44:13 dexter daemon.notice pppd[9462]: PAP authentication succeeded
May 31 07:44:13 dexter daemon.notice pppd[9462]: peer from calling number 00:xx:xx:A1:03:5C authorized
May 31 07:44:13 dexter daemon.notice pppd[9462]: local  IP address xx.75.xx.173
May 31 07:44:13 dexter daemon.notice pppd[9462]: remote IP address xx.106.xx.25
May 31 07:44:13 dexter daemon.notice pppd[9462]: primary   DNS address xx.170.xx.1
May 31 07:44:13 dexter daemon.notice pppd[9462]: secondary DNS address xx.170.xx.2
May 31 07:44:13 dexter daemon.notice pppd[9462]: local  LL address fe80::e4xx:92xx:8cxx:bdxx
May 31 07:44:13 dexter daemon.notice pppd[9462]: remote LL address fe80::00xx:1axx:01xx:80xx
May 31 07:44:14 dexter daemon.notice netifd: Interface 'wan' is now up
May 31 07:44:14 dexter daemon.notice odhcp6c[9513]: (re)starting transaction on pppoe-wan
May 31 07:44:14 dexter daemon.notice odhcp6c[9513]: Sending SOLICIT (timeout 4294967295s)
May 31 07:44:15 dexter daemon.notice odhcp6c[9513]: Got a valid reply after 940ms
May 31 07:44:16 dexter user.notice firewall: Reloading firewall due to ifup of wan (pppoe-wan)
May 31 07:44:16 dexter daemon.notice odhcp6c[9513]: Sending REQUEST (timeout 4294967295s)
May 31 07:44:16 dexter daemon.notice odhcp6c[9513]: Got a valid reply after 12ms
May 31 07:44:16 dexter daemon.notice odhcp6c[9513]: entering stateful-mode on pppoe-wan
May 31 07:44:16 dexter daemon.notice odhcp6c[9513]: Sending <POLL> (timeout 43200s)
May 31 07:44:16 dexter daemon.info dnsmasq[1961]: reading /tmp/resolv.conf.auto
May 31 07:44:16 dexter daemon.info dnsmasq[1961]: using nameserver x.x.2.2#53
May 31 07:44:16 dexter daemon.info dnsmasq[1961]: using nameserver x.x.0.1#53
May 31 07:44:16 dexter daemon.info dnsmasq[1961]: using nameserver x.x.2.2#53
May 31 07:44:16 dexter daemon.info dnsmasq[1961]: using nameserver x.x.0.1#53
May 31 07:44:16 dexter daemon.info dnsmasq[1961]: using local addresses only for domain lan
May 31 07:44:16 dexter daemon.notice netifd: Interface 'wan6' is now up
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: reading /tmp/resolv.conf.auto
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver 2axx:xx:xx::200#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver 2axx:xx:xx::100#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver 2axx:xx:xx::200#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver 2axx:xx:xx0::100#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver x.x.x.2#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver x.x.x.1#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver x.x.x.2#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using nameserver x.x.x.1#53
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: using local addresses only for domain lan
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: read /etc/hosts - 1 addresses
May 31 07:44:18 dexter daemon.info dnsmasq[1961]: read /tmp/hosts/6relayd - 0 addresses
May 31 07:44:18 dexter daemon.info dnsmasq-dhcp[1961]: read /etc/ethers - 0 addresses

DNS6 servers gets added two times aswell, but this is due to the fact that the ISP actually advertises their DNSv6 servers 4 times, I verified this with a packet capture.

Still IPv4 DNS shouldn't get added twice, I believe. Not that it really causes any problems, but I believe it's a bug.

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Change History (1)

comment:1 Changed 5 years ago by anonymous

I believe this can be closed.

My ISP must have some issues with their BRAS since their IPv6 upgrade.. sometimes I get no IPv4 nameservers at all, sometimes the two normal.. sometimes four.

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