On Sat, 19 Jan 2002 15:54:27 +0100, Edouard Gomez wrote:

>This means pppoa daemon is receiving corrupted frames from your modem.
>It can be caused by incomplete aal5 frames (group of atm cells) or 
>the aal5 frame has got wrong bits due to a bad (usb or phone) cable quality.
>Those frame are discarded and so ppp will never know about them... upper
>net layers (tcp, ip) will timeout waiting those packets and then will
>ask them to received. This is the cleaner way to manage transmit errors.

Thanks for the info.

I understand what is it, but is it normal to get so many of those errors?

Here is an example, in 4 hours, i've had over 600 of those CRC errors.

Jan 18 19:49:17 server pppoa2[202]: CRC error in an AAL5 frame
Jan 18 19:49:42 server last message repeated 25 times
Jan 18 19:51:39 server last message repeated 52 times
Jan 18 19:59:49 server last message repeated 160 times
Jan 18 20:00:23 server pppoa2[202]: CRC error in an AAL5 frame
Jan 18 20:01:03 server last message repeated 12 times
Jan 18 20:02:39 server last message repeated 13 times
Jan 18 20:12:46 server last message repeated 62 times
Jan 18 20:22:30 server last message repeated 38 times
Jan 18 20:29:46 server last message repeated 24 times
Jan 18 20:42:16 server last message repeated 58 times
Jan 18 20:51:58 server last message repeated 122 times
Jan 18 20:55:46 server last message repeated 12 times
Jan 18 21:03:16 server pppoa2[202]: CRC error in an AAL5 frame
Jan 18 21:03:16 server last message repeated 7 times
Jan 18 21:28:38 server pppoa2[202]: CRC error in an AAL5 frame
Jan 18 21:36:47 server last message repeated 12 times
Jan 18 21:46:17 server last message repeated 14 times
Jan 18 21:54:17 server last message repeated 18 times
Jan 18 22:11:26 server pppoa2[202]: CRC error in an AAL5 frame
Jan 18 22:12:09 server last message repeated 4 times
Jan 18 22:12:26 server last message repeated 15 times
Jan 18 22:23:48 server last message repeated 68 times
Jan 18 22:34:12 server last message repeated 86 times
Jan 18 22:43:30 server last message repeated 104 times
Jan 18 22:54:13 server last message repeated 34 times

This goes on forever...

  H.I.C. & D.B.S.   OS/2 Warp   Hellas  
  ServerConfig   ConfigEdit   OS/2 UK UG  
  Live fast, die young, and leave a handsome corpse  

.&ohacgr;. But then suddenly a huge bat swept down from the night sky, claws
reaching for Althea's eyes. In her attempt to protect herself, she let
the mirror fall, and it shattered on the stony ground. And in that
instant, the vampire was among us, and the screaming began....
                                     -From journal of Donal Pembrooke


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