Network problem in F21 with my Amilo Siemens laptop

[poma]

On 18.11.2014 16:59, Joachim Backes wrote:
> Hi F21 testers,
> 
> after installing F21, I have network problems with my (old) Amilo
> Siemens laptop:
> 
> (02:0a.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev 10)
> 
> Seeing a lot of RX errors:
> 
> ifconfig
> em1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.100.106  netmask 255.255.255.0  broadcast
> 192.168.100.255
>         inet6 fe80::203:dff:fe1d:c58d  prefixlen 64  scopeid 0x20<link>
>         ether 00:03:0d:1d:c5:8d  txqueuelen 1000  (Ethernet)
>         RX packets 13985  bytes 16907527 (16.1 MiB)
> 
>         RX errors 231  dropped 299  overruns 231  frame 0
> 
>         TX packets 11105  bytes 2238807 (2.1 MiB)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> 
> No problems with the builtin wifi:
> 
> 02:0d.0 Network controller: Intel Corporation PRO/Wireless 2200BG
> [Calexico2] Network Connection (rev 05)
> 
> Additionally, no problems with knoppix on the ethernet interface em1.
> 
> Anybody has a good advice how to find out the reason for this behaviour?


Recheck network equipment.
Cat?
Knoppix, Fedora, kernel versions?