Hey All;
I've got an ixp425 with the 2 on-chip NICs bridged together.
I'm getting some funny results from the ethtool -S statistics display:
Large numbers of deferred transmissions on eth0 and almost none for eth1
Anyone have any ideas on the cause ?
Jonothan
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# ethtool -S eth0
NIC statistics:
RX ready to use queue len : 63
RX received queue len : 0
TX to be send queue len : 0
TX done queue len : 32
StatsAlignmentErrors : 0
StatsFCSErrors : 0
StatsInternalMacReceiveErrors : 0
RxOverrunDiscards : 0
RxLearnedEntryDiscards : 0
RxLargeFramesDiscards : 0
RxSTPBlockedDiscards : 0
RxVLANTypeFilterDiscards : 0
RxVLANIdFilterDiscards : 0
RxInvalidSourceDiscards : 0
RxBlackListDiscards : 0
RxWhiteListDiscards : 0
RxUnderflowEntryDiscards : 0
StatsSingleCollisionFrames : 0
StatsMultipleCollisionFrames : 0
StatsDeferredTransmissions : 35852
StatsLateCollisions : 0
StatsExcessiveCollsions : 0
StatsInternalMacTransmitErrors: 0
StatsCarrierSenseErrors : 0
TxLargeFrameDiscards : 0
TxVLANIdFilterDiscards : 0
# ethtool -S eth1
NIC statistics:
RX ready to use queue len : 63
RX received queue len : 0
TX to be send queue len : 0
TX done queue len : 32
StatsAlignmentErrors : 0
StatsFCSErrors : 0
StatsInternalMacReceiveErrors : 0
RxOverrunDiscards : 0
RxLearnedEntryDiscards : 0
RxLargeFramesDiscards : 0
RxSTPBlockedDiscards : 0
RxVLANTypeFilterDiscards : 0
RxVLANIdFilterDiscards : 0
RxInvalidSourceDiscards : 0
RxBlackListDiscards : 0
RxWhiteListDiscards : 0
RxUnderflowEntryDiscards : 0
StatsSingleCollisionFrames : 0
StatsMultipleCollisionFrames : 0
StatsDeferredTransmissions : 1
StatsLateCollisions : 0
StatsExcessiveCollsions : 0
StatsInternalMacTransmitErrors: 0
StatsCarrierSenseErrors : 0
TxLargeFrameDiscards : 0
TxVLANIdFilterDiscards : 0