Why NIC is reporting the speed as 9900 Mbps ?
Issue
- NIC is reporting the speed as 9900 Mbps;
# ethtool eth0
Settings for eth0:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
2500baseX/Full
10000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
2500baseX/Full
10000baseT/Full
Advertised auto-negotiation: Yes
Speed: 9900Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 16
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: g
Current message level: 0x00000000 (0)
Link detected: yes
- Below messages are seen in
/var/log/messages
kernel: bnx2x: eth0 NIC Link is Up, 9900 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth2 NIC Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth0 NIC Link is Up, 9900 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth2 NIC Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth2 NIC Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth0 NIC Link is Up, 9900 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth2 NIC Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
kernel: bnx2x: eth1 NIC Link is Up, 9900 Mbps full duplex, receive & transmit flow control ON
Environment
- Red Hat Enterprise Linux 5.5
- bnx2x module version: 1.52.1-6
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