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We getting overrun error in Port channel interface | ASR 1002HX |

NOC_Infonet
Level 1
Level 1

Hi buddy's,

we are getting overrun error in port channel interface , We are try to clear counter interface the port error clear but  after some time it's happen again.

BNG-Router#sh
BNG-Router#show int
BNG-Router#show interfaces po10 hu
Port-channel10 is up, line protocol is up
Hardware is 10GEChannel,
Description: ## CONNECT-TO-INTERNET ROUTER ##
MTU 9216 bytes, BW 20000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 18/255, rxload 85/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
ARP type: ARPA, ARP Timeout 04:00:00
No. of active members in this channel: 2
Member 0 : TenGigabitEthernet0/1/4 , Full-duplex, 10000Mb/s
Member 1 : TenGigabitEthernet0/1/5 , Full-duplex, 10000Mb/s
No. of PF_JUMBO supported members in this channel : 2
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 03:45:38
Input queue: 0/750/0/174 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/80 (size/max)
30 second input rate 6.37 giga-bits/sec , 758.21 Kpps
30 second output rate 1.41 giga-bits/sec , 438.44 Kpps
9,899,726,753 packets input, 10,358,807,968,942 bytes, 0 no buffer
Received 5,937 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
139,968 input errors, 0 CRC, 0 frame, 139,968 overrun, 0 ignored
0 watchdog, 1,139 multicast, 0 pause input
5,792,707,318 packets output, 2,307,022,930,564 bytes, 0 underruns
Output 0 broadcasts (0 IP multicasts)
0 output errors, 0 collisions, 0 interface resets
69 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
BNG-Router#
BNG-Router#
BNG-Router#sh
BNG-Router#show int
BNG-Router#show interfaces TenGigabitEthernet0/1/4 hu
BNG-Router#show interfaces TenGigabitEthernet0/1/4 human-readable
TenGigabitEthernet0/1/4 is up, line protocol is up
Hardware is BUILT-IN-EPA-8x10G,
Description: ## PO-10-connect to IR_Te0/1/3 ##
MTU 9216 bytes, BW 10000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 16/255, rxload 80/255
Encapsulation ARPA, loopback not set
Keepalive not supported
Full Duplex, 10000Mbps, media type is 10GBase-SR
output flow-control is on, input flow-control is on
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:13, output 00:00:12, output hang never
Last clearing of "show interface" counters 03:46:22
Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 3.15 giga-bits/sec , 378.11 Kpps
30 second output rate 650.12 mega-bits/sec , 210.97 Kpps
5,138,005,958 packets input, 5,403,619,812,201 bytes, 0 no buffer
Received 3,549 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
76,747 input errors, 0 CRC, 0 frame, 76,747 overrun, 0 ignored
0 watchdog, 613 multicast, 0 pause input
2,860,618,897 packets output, 1,127,241,922,082 bytes, 0 underruns
Output 1 broadcasts (0 IP multicasts)
0 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
BNG-Router#show interfaces TenGigabitEthernet0/1/5 human-readable
TenGigabitEthernet0/1/5 is up, line protocol is up
Hardware is BUILT-IN-EPA-8x10G,
Description: ## PO-10-connect to IR_Te0/1/5 ##
MTU 9216 bytes, BW 10000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 18/255, rxload 83/255
Encapsulation ARPA, loopback not set
Keepalive not supported
Full Duplex, 10000Mbps, media type is 10GBase-SR
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 03:46:44
Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 3.26 giga-bits/sec , 382.23 Kpps
30 second output rate 721.14 mega-bits/sec , 224.46 Kpps
4,798,396,104 packets input, 4,993,403,877,637 bytes, 0 no buffer
Received 2,409 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
63,221 input errors, 0 CRC, 0 frame, 63,221 overrun, 0 ignored
0 watchdog, 529 multicast, 0 pause input
2,953,482,459 packets output, 1,227,311,250,817 bytes, 0 underruns
Output 1 broadcasts (0 IP multicasts)
0 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

9 Replies 9

Hi

  Take a look on this link.  I believe your problem rely on the same situation.

https://www.reddit.com/r/networking/comments/l6u409/asr1002_overrun_errors/

 

Leo Laohoo
Hall of Fame
Hall of Fame

Overrun usually means MTU mismatch.

  Our input port channel configuration has both ends configured with MTU9216, while our router output port has been configured with MTU1500.  


@NOC_Infonet wrote:

  Our input port channel configuration has both ends configured with MTU9216, while our router output port has been configured with MTU1500.  


One end is MTU 1500 and the other end is MTU 9216?

That means input port (Wan) configured 9216 MTU and router output port (LAN ) Configured 1500 MTU


@NOC_Infonet wrote:

That means input port (Wan) configured 9216 MTU and router output port (LAN ) Configured 1500 MTU


End-to-end MTU must match.  If the WAN is configured for MTU 9216 then the other side must be the same.  If the LAN is configured for MTU 1500 then the other side must be have MTU 1500.  Check and verify that the other side reflects this.

Hello
63,221 input errors, 0 CRC, 0 frame, 63,221 overrun

Suggests the interfaces are not able to process the amount of traffic its receiving and maxing out its capability- what software version are you running?

 


Please rate and mark as an accepted solution if you have found any of the information provided useful.
This then could assist others on these forums to find a valuable answer and broadens the community’s global network.

Kind Regards
Paul

Hi,

Our normal traffic is 6 to 7G, but because we've done the port channel two 10g port, we have 20G hardware capacity.  

version 17.03.04a

 

  Actually input error and overrun error has occurred periodically , once clear i will not repeat one or two days .  

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