Hi, Am Freitag, den 11.06.2010, 11:54 +0100 schrieb Gareth Blades: > Olivier wrote: > > Hello, > > > > I've got a running system in which logs are full of messages such as: > > [Jun 10 07:24:14] NOTICE[2414] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on Primary D-channel of span 2 > > > > The strange thing is those messages are coming from a single span. > > > > My setup is : > > > > Asterisk 1.6.1.18 > > Junghanns OctoBRI > > with wcb4xxp driver > > libpri 1.4.10.2 > > dahdi 2.3.0 > > 3 BRI lines in PtMP mode > > > > > > What does this "PRI got event: HDLC Bad FCS (8) on Primary D-channel of > > span 2" roughly mean ? > > Why could it happen on a single port and not on the others ? > > > > Regards > Basically it means that one of the messages it received on the PRI D > channel failed the checksum. > > I take it that in your span command you have 'crc4' or similar specified > as an option for all of your spans? > > If thats the case its probably a faulty port on the card, cable, or a > card in the local telephone exchange,
AFAIK CRC4 is for PRI only. The setup of Olivier is BRI in PTmP mode. Many providers drive Layer 1 down in case of inactivity. Maybe the driver has a problem with such lines. In this case talk to your provider to disable this setting. HTH, Karsten -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
