Re: [Dnsmasq-discuss] IPv6 Router Advertisements eating a CPU Core + Constantly being Multicasted

2019-09-11 Thread Cooper Lees
Hi, Many thanks for your suggestions. Maybe I was not clear enough. With `dhcp-range=2601:647:4d01:fbf::,ra-names` in the config causes 'top' to show a lot of CPU used (>90%): ``` 19492 dnsmasq 20 0 11076 2536 2228 R 93.4 0.1 815:27.43 /usr/sbin/dnsmasq -x /run/dnsmasq/dnsmasq.pid

Re: [Dnsmasq-discuss] IPv6 Router Advertisements eating a CPU Core + Constantly being Multicasted

2019-08-05 Thread Geert Stappers
On Mon, Aug 05, 2019 at 06:44:46AM -0700, Cooper Lees wrote: > On Aug 4, 2019, at 11:29 PM, Geert Stappers wrote: > > On Sun, Aug 04, 2019 at 03:05:45PM -0700, Cooper Lees wrote: > >> > >> > >> Any suggestions I could try / do or is this indeed a bug with dnsmasq? > >> > >>

Re: [Dnsmasq-discuss] IPv6 Router Advertisements eating a CPU Core + Constantly being Multicasted

2019-08-05 Thread Geert Stappers
On Sun, Aug 04, 2019 at 03:05:45PM -0700, Cooper Lees wrote: > Hello, > > I'm running dnsmasq 2.80 on a Raspberry PI and when I enable IPv6 > Router Advertisements on even one interface the CPU usage pins a > core with continually advertising RAs. Logs and tcpdump confirm it's > something to do

[Dnsmasq-discuss] IPv6 Router Advertisements eating a CPU Core + Constantly being Multicasted

2019-08-04 Thread Cooper Lees
Hello, I'm running dnsmasq 2.80 on a Raspberry PI and when I enable IPv6 Router Advertisements on even one interface the CPU usage pins a core with continually advertising RAs. Logs and tcpdump confirm it's something to do with enabling IPv6 RAs / SLAAC on an interface (when I remove CPU goes