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Cisco routers 1000 series - Output errors

SMK91
Level 1
Level 1

What is the reason for this Output errors and what we can do to resolve this..?

 

DialVPN_ASR1001#sh int gigabitEthernet 0/0/5
GigabitEthernet0/0/5 is up, line protocol is up
Hardware is BUILT-IN-2T+6X1GE, address is 5c5a.c71d.cb07 (bia 5c5a.c71d.cb07)
Description: ## INTERNET_LINK_FROM_IDC_PUBLIC_IP_124.43.130.158 ##
Internet address is 172.20.236.1/24
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 not supported
Full Duplex, 1000Mbps, link type is auto, media type is T
output flow-control is on, input flow-control is on
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 00:31:19
Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 3182
Queueing strategy: Class-based queueing
Output queue: 0/40 (size/max)
30 second input rate 318000 bits/sec, 141 packets/sec
30 second output rate 288000 bits/sec, 115 packets/sec
246646 packets input, 52323035 bytes, 0 no buffer
Received 6 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 157 multicast, 0 pause input
245880 packets output, 191341541 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
94 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
0 carrier transitions

6 Replies 6

Leo Laohoo
Hall of Fame
Hall of Fame
Is the link an 802.1q Trunk link?

Yes

"Unknown Protocol Drops" are generated by DTP and can be ignored.

Hi Leo Laohoo,
Thanks. Then what we can do for Output errors..?

The only "output errors" I see (that I am concerned about) is the Total Output Drops.
Is QoS or policy shaping enabled?

Hi Leo,
Not both. But flow-control is enabled.
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