We have a PPPoE server built on FreeBSD 9.0-RELEASE-p3 and mpd-5.6.
The server had no problems for 6 weeks. Now, since students are back to college and University in our buildings, the server is working somehow a bit more and the internet services got disrupted. For the 2,3 first times, I had to reboot the server to recover as soon as possible. Yesterday I made a script to capture some informations quickly so I can run it before I reboot the next time it happens. It happened this morning and I noticed the cause is that the server's default route get changed with an "out of nowhere" nexthop IP.
I had 184.108.40.206 multiples times and 220.127.116.11 this morning….
I know it changed because I had arpresolve: can't allocate llinfo for 18.104.22.168 messages previously… I just didn't know it was because the default route changed.
So, what could make MPD change my default route that way?
Maybe it's not MPD after all….
It should not be Mpd. Mpd doesn't touch routes unless it is configured to so with 'set iface route …'.
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