B315-3550-BM#sh int fa0/12
FastEthernet0/12 is up, line protocol is up (connected)
  Hardware is Fast Ethernet, address is 0011.932b.ca0c (bia 0011.932b.ca0c)
  Description: Roxann Showers - VOIP
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 100Mb/s, media type is 100BaseTX
  input flow-control is off, output flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input never, output 00:00:01, output hang never
  Last clearing of "show interface" counters 00:05:01
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 299000 bits/sec, 5 packets/sec
     1258 packets input, 134396 bytes, 0 no buffer
     Received 5 broadcasts (0 multicast)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 5 multicast, 0 pause input
     0 input packets with dribble condition detected
     3573 packets output, 1222775 bytes, 22 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
     22 output buffer failures, 0 output buffers swapped out


B315-3550-BM#sh buffer
B315-3550-BM#sh buffers
Buffer elements:
     482 in free list (500 max allowed)
     109009556 hits, 0 misses, 0 created

Public buffer pools:
Small buffers, 104 bytes (total 50, permanent 50, peak 152 @ 7w0d):
     49 in free list (20 min, 150 max allowed)
     32114025 hits, 34 misses, 102 trims, 102 created
     0 failures (0 no memory)
Middle buffers, 600 bytes (total 31, permanent 25, peak 91 @ 7w0d):
     30 in free list (10 min, 150 max allowed)
     2052880 hits, 83 misses, 243 trims, 249 created
     0 failures (0 no memory)
Big buffers, 1524 bytes (total 941, permanent 917, peak 2220 @ 7w0d):
     534 in free list (128 min, 512 max allowed)
     429067690 hits, 3292 misses, 2068 trims, 2092 created
     19 failures (0 no memory)
VeryBig buffers, 4520 bytes (total 10, permanent 10, peak 11 @ 00:06:35):
     10 in free list (5 min, 100 max allowed)
     22201598 hits, 899180 misses, 23213282 trims, 23213282 created
     0 failures (0 no memory)
Large buffers, 5024 bytes (total 0, permanent 0):
     0 in free list (0 min, 0 max allowed)
     0 hits, 0 misses, 0 trims, 0 created
     0 failures (0 no memory)
Huge buffers, 18024 bytes (total 0, permanent 0):
     0 in free list (0 min, 0 max allowed)
     0 hits, 0 misses, 0 trims, 0 created
     0 failures (0 no memory)



I'm not really sure what I need to do in order to correct the buffer failures.  I'm getting this on about 5 ports.

Thank You


 

Just looks like a busy switch to me.