ifconfig eth2
eth2      Link encap:Ethernet  HWaddr XXX
          inet addr:XXX  Bcast:XXX  Mask:255.255.255.252
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1278613847 errors:3549285 dropped:7259526 overruns:946301 frame:0
          TX packets:1210150134 errors:1 dropped:0 overruns:10 carrier:2
          collisions:87290875 txqueuelen:1000
          RX bytes:1191180283 (1.1 GiB)  TX bytes:637291655 (607.7 MiB)
          Interrupt:17 Base address:0x2000

errors:3549285
dropped:7259526
overruns:94630
collisions:87290875

==============
Кто виноват и что делать? Сетевуха, драйвер, слот PCI? Провайдер? :)

ethtool eth2
Settings for eth2:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Advertised auto-negotiation: Yes
        Speed: 10Mb/s
        Duplex: Half
        Port: MII
        PHYAD: 32
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: pumbg
        Wake-on: d
        Current message level: 0x00000007 (7)
        Link detected: yes

eth2:  Identified 8139 chip type 'RTL-8100B/8139D'

ethtool -S eth2
NIC statistics:
     early_rx: 0
     tx_buf_mapped: 0
     tx_timeouts: 0
     rx_lost_in_ring: 0

• errors dropped overruns collisions,gpl77, 18:19 , 02-Фев-12

>           RX packets:1278613847
> errors:3549285 dropped:7259526 overruns:946301 frame:0
>           TX packets:1210150134
> errors:1 dropped:0 overruns:10 carrier:2
>           collisions:87290875 txqueuelen:1000
> Кто виноват и что делать? Сетевуха, драйвер, слот PCI? Провайдер? :)

начните с кабеля :)