[Dnsmasq-discuss] Infinite loop in IPv4 + IPv6 DHCP setup with 2.80 on aarch64

[Noel Kuntze]

Hello List,

This issue has mysteriously solved itself over night with no config change and no updates.

Kind regards

Noel Kuntze

Am 28.12.18 um 18:43 schrieb Noel Kuntze:

> Hello list,
>
> I am encountering an issue with dnsmasq 2.80 on aarch64 (armv8 64 bit) wherein dnsmasq
> infinitely loops sending its RAs. The configuration file and logs are following below this message.
> The logs are produced when allowing dnsmasq to run for one second.
>
> Kind regards
>
> Noel Kuntze
>
> --------------
> domain-needed
> bogus-priv
> conf-file=/usr/share/dnsmasq/trust-anchors.conf
> dnssec
> dnssec-check-unsigned
> filterwin2k
> strict-order
> server=/.lan/192.168.178.48
> server=/168.192.in-addr.arpa/192.168.178.48
>
> interface=aps
> domain=thermicorp-aps.lan
> dhcp-range=192.168.182.10,192.168.182.200,12h
> dhcp-range=fd62:3d70:c86f:73c7::, ra-names, 12h
>
> dhcp-option=option:router,192.168.182.1
> dhcp-option=option6:dns-server,[fd62:3d70:c86f:73c7::1]
> dhcp-option=option6:information-refresh-time,6h
> dhcp-option=option:domain-search,thermicorp.lan,thermicorp-aps.lan
> dhcp-leasefile=/mnt/dnsmasq/dnsmasq.leases
> dhcp-authoritative
> dhcp-rapid-commit
>
> cache-size=1000
>
> no-negcache
>
> log-dhcp
>
> dhcp-name-match=set:wpad-ignore,wpad
> dhcp-ignore-names=tag:wpad-ignore
>
> --------------
> Started A lightweight DHCP and caching DNS server.
> started, version 2.80 cachesize 1000
> compile time options: IPv6 GNU-getopt DBus i18n IDN2 DHCP DHCPv6 no-Lua TFTP conntrack ipset auth DNSSEC loop-detect inotify >
> DBus support enabled: connected to system bus
> DNSSEC validation enabled
> configured with trust anchor for <root> keytag 20326
> configured with trust anchor for <root> keytag 19036
> DHCP, IP range 192.168.182.10 -- 192.168.182.200, lease time 12h
> DHCPv4-derived IPv6 names on fd62:3d70:c86f:73c7::
> router advertisement on fd62:3d70:c86f:73c7::
> RTR-ADVERT(aps) fd62:3d70:c86f:73c7::
> using nameserver 192.168.178.48#53 for domain 168.192.in-addr.arpa (no DNSSEC)
> using nameserver 192.168.178.48#53 for domain lan (no DNSSEC)
> reading /etc/resolv.conf
> using nameserver 192.168.178.48#53 for domain 168.192.in-addr.arpa (no DNSSEC)
> using nameserver 192.168.178.48#53 for domain lan (no DNSSEC)
> using nameserver 192.168.178.48#53
> using nameserver 192.168.178.1#53
> read /etc/hosts - 0 addresses
> RTR-ADVERT(aps) fd62:3d70:c86f:73c7:: (941 times)
> Stopping A lightweight DHCP and caching DNS server...
> RTR-ADVERT(aps) fd62:3d70:c86f:73c7::
> Stopped A lightweight DHCP and caching DNS server.
> RTR-ADVERT(aps) fd62:3d70:c86f:73c7::
> RTR-ADVERT(aps) fd62:3d70:c86f:73c7::
> RTR-ADVERT(aps) fd62:3d70:c86f:73c7::
> exiting on receipt of SIGTERM
>
>
> _______________________________________________
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-- 
Noel Kuntze
IT security consultant

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