RX/TX packets

RX/TX packets

Post by john » Wed, 30 May 2001 13:11:57



hi all,
    Could you help me that why my network cards have RX packets
errors/overruns/frame and
TX packets have carrier? thankS
===============================================================
eth0      Link encap:Ethernet  HWaddr 00:A0:25:D3:8B:D6
          inet addr:10.11.12.21  Bcast:10.255.255.255  Mask:255.0.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:32986366 errors:33354 dropped:0 overruns:196
frame:33354
          TX packets:2383820 errors:0 dropped:0 overruns:0 carrier:111
          collisions:36820 txqueuelen:100
          Interrupt:11 Base address:0x210

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:3924  Metric:1
          RX packets:36 errors:0 dropped:0 overruns:0 frame:0
          TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0

 
 
 

1. Meaning of RX/TX packet overruns in SLIP?

I have slip up and running fine in principle. The connection is via two
14400baud modems and 19200baud modem<->computer on both sides. However,
I get only an ftp transfer rate of a little less than 1 KB/sec.
ifconfig states both for RX and TX a overrun rate which is a bit below the
corresponding packet count. No errors or dropped packets. If I ftp a file
on one vt and watch the output of ifconfig permanently on another vt both
counts (packet count and overrun count) increase almost equally.

$mtu set in dip to 1500
slip server reports an mtu of 1500

my computer is a 486/DX50, 16MB, modem at cua1 with 16450.

I took a look at the kernel and the ifconfig sources but got lost in it.

Thanks for any help,
   Andreas

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