carrier-Info on ifconfig

carrier-Info on ifconfig

Post by Oliver Trec » Tue, 03 Jun 2003 18:57:38



Hi all.

Could please anybody tell me what carrier in this case mean?

eth0  Link encap:Ethernet  HWaddr 00:50:04:2D:8E:2D
      inet addr:132.199.7.228  Bcast:132.199.7.255  Mask:255.255.248.0
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:416965611 errors:0 dropped:0 overruns:136 frame:0
      TX packets:122861640 errors:0 dropped:0 overruns:0 carrier:48
<--
      collisions:1162463 txqueuelen:100
      Interrupt:10 Base address:0x1080

Thanx for your Help.

Oliver Treck

 
 
 

carrier-Info on ifconfig

Post by 2boxer » Thu, 06 Nov 2003 06:29:40


On Mon, 2 Jun 2003 11:57:38 +0200, "Oliver Treck"


>Hi all.

>Could please anybody tell me what carrier in this case mean?

>eth0  Link encap:Ethernet  HWaddr 00:50:04:2D:8E:2D
>      inet addr:132.199.7.228  Bcast:132.199.7.255  Mask:255.255.248.0
>      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>      RX packets:416965611 errors:0 dropped:0 overruns:136 frame:0
>      TX packets:122861640 errors:0 dropped:0 overruns:0 carrier:48
><--
>      collisions:1162463 txqueuelen:100
>      Interrupt:10 Base address:0x1080

>Thanx for your Help.

>Oliver Treck

I am having similar errors on one of my network interfaces.
I am losing link connectivity intermittently as well.

Can anybody suggest a means for troubleshooting this?

I am running kernel 2.4.20-8smp.
3c59x.o (this is the one with the carrier errors.. connects to the
cable modem)
tg3.o
iptables 1.2.7a

TIA for any assistance.
Charles

 
 
 

1. TX error and carrier numbers as seen with ifconfig

     I have been attempting to get an ethernet card I have working
under linux, pings to the other host on my 2 computer LAN will make
the TX errors and carrier numbers (as seen with ifconfig eth0) go up.
After a futile search, I was unable to determine what this carrier
number represents, what does this indicate with regards to ethernet
cards?  Also, what precisely does a transmit error indicate? if you
ping a host that does not exist should TX error increase, or should TX
sent increase, or both?  

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