08.05.2018 12:08, O'Connor, Daniel wrote: > Hi, > I have several FreeBSD machines setup as routers connected to ADSL modems in > bridge mode. ie the FreeBSD box terminates the PPP connection and the ADSL > modem doesn't do much. > > This worked well for many moons but a while ago I found issues with the > inbuilt PPP and ended up switching to mpd5 which has so far worked flawlessly. > > I was wondering if anyone else had also seen similar issues? > > In my experience PPP will hang for a long time when the ADSL link goes down. > It does seem to eventually come back (minutes later) but while it's stuck it > will only exit with kill -9. > > This wouldn't be such a big deal but the rc.d script doesn't actually check > if the PPP process exits so a naive monitoring script that does 'service ppp > restart' will end up with 2 processes which usually screws up firewall rules. > There are ways around this (eg have the script check, or set ppp_unit) but it > seems like a bug. > > The only log messages I see are.. > May 8 12:27:53 portero ppp[76165]: tun0: LCP: deflink: SendEchoReply(114) > state = Opened > May 8 12:27:54 portero ppp[76165]: tun0: LCP: deflink: SendEchoRequest(38) > state = Opened > May 8 12:27:54 portero ppp[76165]: tun0: LCP: deflink: RecvEchoReply(38) > state = Opened > May 8 12:28:54 portero ppp[76165]: tun0: LCP: deflink: SendEchoRequest(39) > state = Opened > May 8 12:29:54 portero ppp[76165]: tun0: LCP: deflink: SendEchoRequest(40) > state = Opened > > Does anyone have any suggestions where to start looking? It would be nice if > the base tool worked properly for what I feel is a not uncommon scenario :)
You have not specified FreeBSD version you use. First, you should check if the ppp process is waiting on some system call when it's hung. Use ps -l or procstat to check it. And you should enable verbose logs in ppp.conf. _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
