From: Muhammad Panji <sumodirjo@xxxxxxxxx>
> I have an onboard Realtek RTL8111/8168B NIC. from lspci -vv :
> 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
> It is detected, but why the speed is always 100Mbps, already change
> cable but still no luck. I use ethtool and from the output it seems
> that system know that this NIC support gigabit speed :
> have change the driver r8169 with r8168 and follow the guide on CentOS
> wiki http://wiki.centos.org/AdditionalResources/HardwareList/RealTekRTL8111b
> but still it only get 100Mbps speed.
Same controller here... and I always get downgraded to 100Mbps...
I am using kmod-r8168-8.025.00-1
I have other PCs connected to the same switch and they are in 1000Mbps...
# ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
Link detected: yes
I tried:
# ethtool -s eth0 speed 1000 duplex full autoneg off advertise 0x020
but auto-negotiation stays on and I only get 100Mbps...
I tried:
# ethtool -s eth0 duplex full autoneg off advertise 0x020
auto-negotiation is off but nothing change...
JD
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