I have somewhat of a odd situation, and I don't know how it occurred.
3 or so days ago, I was running 1000mbps speeds via my Trendnet PCI LAN network card. when I use ethtool, it was reporting as 1000mpbs.
It is a Realtek RTL-8169 driven card.
Now when I use ethtool today it is reporting back as 100mbps.
I have not done any recent LMDE updates for like 2-3 weeks..at this time there are 336 recommended updates since my last update.
I am uncertain as to what has caused my network connection to suddenly change to 100mbps from 1000mpbs. It has a significant impact when I transfer data across my home network between my wired desktops.
Tho..when I am in terminal and use ifconfig, it oddly reports back 1000mbps..but ethtool reports back 100mbps.
This is what I get from ifconfig :
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eth1 Link encap:Ethernet HWaddr 00:1f:d0:5a:31:9a
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:25 Base address:0xe000
eth2 Link encap:Ethernet HWaddr 00:14:d1:18:3c:a4
inet addr:192.168.1.205 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::214:d1ff:fe18:3ca4/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1699 errors:0 dropped:0 overruns:0 frame:0
TX packets:1914 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:1541448 (1.4 MiB) TX bytes:323907 (316.3 KiB)
Interrupt:17 Base address:0xe000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:30 errors:0 dropped:0 overruns:0 frame:0
TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:1956 (1.9 KiB) TX bytes:1956 (1.9 KiB)
this is what I get from ethtool :
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sudo ethtool eth2
[sudo] password for ranma:
Settings for eth2:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Supports Wake-on: pumbg
Current message level: 0x00000033 (51)
drv probe ifdown ifup
Link detected: yes
The nice/interface I am connected to is eth2. eth1 is the on-board network port.
Any thoughts on how I may correct this..without reinstalling? Any help appreciated. If any other screen printouts are required I will provide.
[UPDATE] 03-29-2012 Thursday
I solved this issue by completely blacking out all the power to my entire network and machines for 15 minutes, then powered everything up 1 by 1 starting with the modem, then the router then my gigabit switch. All hardwired machines recognized as gigabit again. Thanks to those who replied.