Messages in this thread | | | From | (Matthias Urlichs) | Subject | Re: slow tcp with isdn | Date | 29 Jul 1997 09:55:22 +0200 |
| |
kraxel@cs.tu-berlin.de writes: > > 18:43:58.032845 ftp.20 > mybox.1096: P 2921:4381(1460) ack 1 win 4096 > *** I miss a ACK here > 18:43:59.932845 ftp.20 > mybox.1096: . 2921:4381(1460) ack 1 win 4096 > > It seems (to me) that the packages arrive here ok (else tcpdump would'nt > see them, tcpdump runs on the linux box too). So I don't understand why > linux does'nt ack them? Any idea? Can they get lost *after* tcpdump has > seen them? Becauce of a bad checksum or something? How to check this? > Checksum. Look at the kernel syslog and/or /proc/net/snmp.
| |