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help with 7600 router log message ETH_SPA_MAC-DFC1-6-INTR_BURST

Hi,

can anybody shed some light on this error message:

%ETH_SPA_MAC-DFC1-6-INTR_BURST: Interrupts from MAC have crossed burst limit of 10 in 1000 msec for port 1/1/3

This is happening occasionaly, but the problem is this part "port 1/1/3" because there is no such port/interface on this router... I presume this is talking about some internal port or something - but I cannot find the explanation anywhere.

Only thing I have found is in ASR documentation, there is almost identical message only it does not contain "DCF1" (obviously), but some integer. Explanation there is that I should check interface configuration or receive signal characteristics on the transport path or XFP used... But which interface?? I cannot find to which physical interface this error is related to...

Does anybody know a hardware documentation where these "ports" are identified?

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