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RB4011 rx-drop

Posted: Fri Jun 19, 2020 3:28 pm
by SergeyPotapov
Hello.
We have some RB4011iGS+ with sfp-sfplus port and notice many strange rx-drops on some ports almost on every device.
RouterOS v 6.43.16 and 6.45.9. Fast Path is enabled. Is anybody catch the same? Will be grateful for any help.
[002.1-mpls-router] > /int ethernet print stats where name=sfp-sfplus1
    driver-tx-packet:      9 697 892 234
            rx-bytes:  6 465 436 053 657
           rx-packet:     10 535 960 495
        rx-too-short:                  0
               rx-64:          2 211 228
           rx-65-127:      2 573 287 079
          rx-128-255:      1 545 341 914
          rx-256-511:        479 052 703
         rx-512-1023:        366 148 891
        rx-1024-1518:      4 811 572 903
         rx-1519-max:        758 667 709
         rx-too-long:                  0
        rx-broadcast:          3 414 951
            rx-pause:                  0
        rx-multicast:          1 448 822
        rx-fcs-error:                  0
      rx-align-error:                  0
         rx-fragment:                  0
     rx-length-error:                  0
           rx-jabber:                  0
             rx-drop:            321 933
            tx-bytes:  6 056 044 382 869
           tx-packet:      9 697 900 591
        tx-broadcast:          6 451 956
            tx-pause:              8 357
        tx-multicast:          2 457 866
and on the ethernet port:

[002.1-mpls-router] > /int ethernet print stats where name=ether7      
                      name:             ether7
            driver-rx-byte:  4 132 058 511 707
          driver-rx-packet:      7 041 340 590
            driver-tx-byte:  8 137 909 524 731
          driver-tx-packet:      8 287 750 453
                  rx-bytes:  4 160 250 401 150
                rx-unicast:      7 040 952 768
              rx-broadcast:              6 113
                  rx-pause:                  0
              rx-multicast:            425 193
              rx-fcs-error:                  0
               rx-fragment:                  0
             rx-unknown-op:                  0
             rx-code-error:                  0
                 rx-jabber:                  0
                   rx-drop:             51 625
                  tx-bytes:  8 171 046 984 592
                tx-unicast:      8 287 522 373
              tx-broadcast:                 21
                  tx-pause:                  0
              tx-multicast:            214 507
              tx-collision:                  0
    tx-excessive-collision:                  0
     tx-multiple-collision:                  0
       tx-single-collision:                  0
               tx-deferred:                  0
         tx-late-collision:                  0
                   tx-drop:                  0
                  tx-rx-64:            723 780
              tx-rx-65-127:      4 722 364 614
             tx-rx-128-255:      2 245 337 849
             tx-rx-256-511:        559 140 458
            tx-rx-512-1023:        398 660 486
           tx-rx-1024-1518:      6 179 178 715

Thanks.