hi
on one end i have WS-C3850-48P and on the other end i have WS-C2960X-48FPD-L. Daily for sometime i receive alert for output error on particular interfaces which are part of portchannel of WS-C3850-48P. Daily i face this issue during business hours particularly on those ports. while on the other end (WS-C2960X-48FPD-L) there are no errors. what steps should i follow to troubleshoot this issue.
GigabitEthernet1/0/47 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 00a2.89d4.77af (bia 00a2.89d4.77af)
Description: G1/0/47
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, media type is 10/100/1000BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:01, output never, output hang never
Last clearing of "show interface" counters 24w4d
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 2114058
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 5000 bits/sec, 7 packets/sec
5 minute output rate 24000 bits/sec, 25 packets/sec
1026930025 packets input, 112466646250 bytes, 0 no buffer
Received 24954970 broadcasts (12794372 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 12794372 multicast, 0 pause input
0 input packets with dribble condition detected
618833910 packets output, 93620061474 bytes, 0 underruns
2114058 output errors, 0 collisions, 0 interface resets
0 unknown protocol drops
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
On both end show int status show a-1000 and full duplex
#sh int status
Gi1/0/47 Switch connected trunk a-full a-1000 10/100/1000BaseTX
#sh int gigabitEthernet 1/0/47 counters errors
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscards
Gi1/0/47 0 0 2114058 0 0 2114058
Port Single-Col Multi-Col Late-Col Excess-Col Carri-Sen Runts
Gi1/0/47 0 0 0 0 0 0
