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7304 ethernet overrun and ignored

The router is 7304 and one SPA-2GE in slot2.

The traffic comes in from the internet on the GE 2/0/0 and traffic is then routed  to GE 1 that go to my network.

Gigabit Ethernet errors, input overruns and ignored packets

What is the most common problem for receiving input overrunns and ignored packets on a gigabit ethernet router card. I set the hold queue to the 4096 and they slowed down but are still incrementing. I am not getting any CRCs or Frame errors.

GigabitEthernet2/0/0 is up, line protocol is up

  Hardware is SPA-2GE-7304, address is 0015.6344.3240 (bia 0015.6344.3240)

  Description: =To TFN1=

  Internet address is 211.78.221.230/30

  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,

     reliability 250/255, txload 62/255, rxload 115/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec)

  Full Duplex, 1000Mbps, link type is force-up, media type is LX

  output flow-control is unsupported, input flow-control is unsupported

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input 00:00:08, output 00:00:08, output hang never

  Last clearing of "show interface" counters 3d00h

  Input queue: 0/4096/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/4096 (size/max)

  5 minute input rate 452244000 bits/sec, 71254 packets/sec

  5 minute output rate 246749000 bits/sec, 66146 packets/sec

     20342487946 packets input, 16017276805555 bytes, 0 no buffer

     Received 894 broadcasts (0 IP multicasts)

     0 runts, 0 giants, 0 throttles

    22172870 input errors, 0 CRC, 0 frame, 0 overrun, 22172870 ignored

     0 watchdog, 0 multicast, 0 pause input

     17132688695 packets output, 7348133702265 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

     0 babbles, 0 late collision, 0 deferred

     0 lost carrier, 0 no carrier, 0 pause output

     0 output buffer failures, 0 output buffers swapped out

GigabitEthernet1 is up, line protocol is up

  Hardware is BCM1250 Internal MAC, address is 0015.6344.3201 (bia 0015.6344.3201)

  Description: =To SW-201 2/0/51 connect BM-203 2/01=

  Internet address is 10.10.10.209/29

  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,

     reliability 255/255, txload 115/255, rxload 63/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec)

  Full Duplex, 1000Mbps, link type is force-up, media type is SX

  output flow-control is unsupported, input flow-control is XON

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/2000/0/25 (size/max/drops/flushes); Total output drops: 31010

  Queueing strategy: fifo

  Output queue: 0/2000 (size/max)

  5 minute input rate 247578000 bits/sec, 66147 packets/sec

  5 minute output rate 451846000 bits/sec, 71256 packets/sec

     1794845388343 packets input, 795037043284665 bytes, 0 no buffer

     Received 327589 broadcasts (0 IP multicasts)

     0 runts, 0 giants, 0 throttles

     14566695 input errors, 9 CRC, 0 frame, 14566686 overrun, 0 ignored

     0 watchdog, 12072200 multicast, 0 pause input

     1942652051779 packets output, 1464904076808494 bytes, 0 underruns

     33 output errors, 0 collisions, 5 interface resets

     0 babbles, 0 late collision, 0 deferred

     33 lost carrier, 0 no carrier, 0 pause output

     0 output buffer failures, 0 output buffers swapped out

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7304 ethernet overrun and ignored

Are you operating as ISP? Do you have a senior network engineer or TAC support contract to start looking into this in a professional manner ?

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