[c-nsp] WS-X6416-GBIC input errors

[Jon Lewis]

On a pair of 6509s with sup720-3bxl and WS-X6416-GBIC cards, I'm seeing 
roughly 10% input errors (of no specific type) on GE interfaces going to 
the GE ports on a 3550-24.  These are L3 interfaces doing tag-switching to 
carry MPLS VPN traffic.  The odd thing is, I'm not noticing any packet 
loss, so I have to wonder if this is a counter bug/hardware limitation 
similar to how a 2900XL will count all tagged packets as errors/giants?

      4056215423 packets input, 1402231640515 bytes, 0 no buffer
      Received 7233212 broadcasts (0 IP multicast)
      0 runts, 0 giants, 18 throttles
      390765368 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
      0 watchdog, 0 multicast, 0 pause input
      0 input packets with dribble condition detected

The 3550 end isn't seeing any errors.  These are the only/first 
WS-X6416-GBIC GE interfaces I've done tag-switching on.  I may turn off 
tag-switching on one of them later tonight to see if that stops the input 
errors.  6509 software version is 12.2(18)SXD7.

----------------------------------------------------------------------
  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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