hi all,
thanks for the response
i have set auto-nego to "on" for this NIC, and this is the output for ethtool eth0;
[root@xx ~]# 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: 1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: g
Link detected: yes
[root@xx ~]# ethtool -s eth0 autoneg off
Cannot set new settings: Invalid argument
not setting autoneg
[root@xx ~]#