>[оверквотинг удален]
>>Если да, то что подкрутить, чтоб избавиться?
>>
>>Спасибо.
>
>http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/io...
>https://www.cisco.com/en/US/products/hw/switches/ps700/produ...
>
>"Configure Native IOS
>    7609(config)#int gigabitEthernet 1/1
>    7609(config-if)#mtu 9216"

Поставил MTU 9216, но ситуация осталась прежней. Giant-пакеты продолжают составлять 15-20% трафика.

CORE1#sh int po2
Port-channel2 is up, line protocol is up (connected)
  Hardware is EtherChannel, address is 0015.c62b.eddc (bia 0015.c62b.eddc)
  Description: Link to C3750_1
  MTU 9216 bytes, BW 2000000 Kbit, DLY 10 usec,
     reliability 255/255, txload 2/255, rxload 7/255
  Encapsulation ARPA, loopback not set
  Full-duplex, 1000Mb/s
  input flow-control is off, output flow-control is unsupported
  Members in this channel: Gi1/33 Gi1/35
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input never, output never, output hang never
  Last clearing of "show interface" counters 00:00:58
  Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  30 second input rate 56622000 bits/sec, 12635 packets/sec
  30 second output rate 23279000 bits/sec, 11514 packets/sec
     694582 packets input, 360065026 bytes, 0 no buffer
     Received 287 broadcasts, 0 runts, 132089 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 input packets with dribble condition detected
     637225 packets output, 148360237 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 output buffer failures, 0 output buffers swapped out