> 1. If flow control is enabled:
> #ethtool -a ethX -> will show the current settings for the port
These interfaces are bonded, so I list both.
# ethtool -a p1p1
Pause parameters for p1p1:
Autonegotiate: on
RX: on
TX: on
# ethtool -a p1p2
Pause parameters for p1p2:
Autonegotiate: on
RX: on
TX: on
> #ethtool -S ethX -> will tell you if you are sending or receiving pause
> frames (depends on traffic)
Exactly which part of the output are you looking for - this?
# ethtool -S p1p1 |grep flow_c
tx_flow_control_xon: 12
rx_flow_control_xon: 6585
tx_flow_control_xoff: 12
rx_flow_control_xoff: 6585
# ethtool -S p1p2 |grep flow_c
tx_flow_control_xon: 114
rx_flow_control_xon: 1641564
tx_flow_control_xoff: 114
rx_flow_control_xoff: 1667785
> #dmesg -> will show the state of the FC registers on the NIC when the link
> comes up in the "Link is Up" message
The "Down" messages are two weeks old (they are also in syslog) and created
when I made the change on the switch.
ixgbe 0000:05:00.1: PCI-Express bandwidth available for this card is not
sufficient for optimal performance.
ixgbe 0000:05:00.1: For optimal performance a x8 PCI-Express slot is required.
ixgbe 0000:05:00.1: Intel(R) 10 Gigabit Network Connection
ixgbe 0000:05:00.0: p1p1: NIC Link is Up 10 Gbps, Flow Control: RX/TX
ixgbe 0000:05:00.1: p1p2: NIC Link is Up 10 Gbps, Flow Control: RX/TX
ixgbe 0000:05:00.0: p1p1: NIC Link is Down
ixgbe 0000:05:00.1: p1p2: NIC Link is Down
ixgbe 0000:05:00.0: p1p1: NIC Link is Up 10 Gbps, Flow Control: RX/TX
ixgbe 0000:05:00.1: p1p2: NIC Link is Up 10 Gbps, Flow Control: RX/TX
Thanks.
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