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    SubjectRe: _High_ CPU usage while routing (mostly) small UDP packets
    * jamal wrote:
    > > The only thing I can think off is the 66/64 PCI bus and the
    > > disadvantageous placement of the PCI cards, but neither should cause a
    > > higher CPU usage. If the bus couldn't keep up, I'd get packetloss.
    > >
    >
    > cant tell offhand; it looks like a modern piece of hardware.
    > Are you sure you are using NAPI? This is an e1000, correct?
    >

    Yes and yes.

    0000:01:01.0 Ethernet controller: Intel Corp. 82545EM Gigabit Ethernet Controller (Fiber) (rev 01)
    0000:01:03.0 Ethernet controller: Intel Corp. 82546GB Gigabit Ethernet Controller (rev 03)

    driver: e1000
    version: 5.5.4-k2-NAPI
    firmware-version: N/A
    bus-info: 0000:01:03.0

    driver: e1000
    version: 5.5.4-k2-NAPI
    firmware-version: N/A
    bus-info: 0000:01:01.0
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