Does increasing "L2 decode drops" counter means faulty cable ? ASA (802.1q trunk) connects with 3560.
Interface Ethernet0/1 "", is up, line protocol is up
Hardware is i82546GB rev03, BW 100 Mbps, DLY 100 usec
Full-Duplex(Full-duplex), 100 Mbps(100 Mbps)
Available but not configured via nameif
MAC address 0021.a09a.de9f, MTU not set
IP address unassigned
59189 packets input, 13303462 bytes, 0 no buffer
Received 9951 broadcasts, 0 runts, 0 giants
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
13319 L2 decode drops
41659 packets output, 5683701 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 late collisions, 2 deferred
0 input reset drops, 0 output reset drops, 0 tx hangs
input queue (blocks free curr/low): hardware (255/248)
output queue (blocks free curr/low): hardware (255/248)
FastEthernet0/18 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is 0019.5660.1194 (bia 0019.5660.1194)
Description: asa-1-75broad(e0/1)
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 10/100BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:00, output hang never
Last clearing of "show interface" counters never
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 18000 bits/sec, 17 packets/sec
5 minute output rate 36000 bits/sec, 35 packets/sec
87687460 packets input, 1495683997 bytes, 0 no buffer
Received 1901447 broadcasts (0 multicast)
1 runts, 0 giants, 0 throttles
1 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 1901389 multicast, 0 pause input
0 input packets with dribble condition detected
243267167 packets output, 1465350456 bytes, 0 underruns
0 output errors, 0 collisions, 1 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
