Cisco ASR1002 (2RU) Facing packet drop/continuously link flapping issue

[hitesh.shah@startv.com]

Hi Team

we are facing packet drop/continuously link flapping issue.

->Modal Number  Cisco ASR1002

->IOS  Version 15.5(3)S10 

->bootflash:asr1000rp1-adventerprisek9.03.16.10.S.155-3.S10-ext.bin

Logs:- *Apr 25 05:39:43: %LINK-3-UPDOWN: Interface GigabitEthernet0/0/0, changed state to down
*Apr 25 05:39:43: %LINK-3-UPDOWN: SIP0/0: Interface GigabitEthernet0/0/0, changed state to down
*Apr 25 05:39:46: %LINK-3-UPDOWN: Interface GigabitEthernet0/0/0, changed state to up
*Apr 25 05:39:46: %LINK-3-UPDOWN: SIP0/0: Interface GigabitEthernet0/0/0, changed state to up
*Apr 25 05:39:54: %LINK-3-UPDOWN: Interface GigabitEthernet0/0/0, changed state to down
*Apr 25 05:39:54: %LINK-3-UPDOWN: SIP0/0: Interface GigabitEthernet0/0/0, changed state to down
*Apr 25 05:39:56: %LINK-3-UPDOWN: Interface GigabitEthernet0/0/0, changed state to up
*Apr 25 05:39:56: %LINK-3-UPDOWN: SIP0/0: Interface GigabitEthernet0/0/0, changed state to up
*Apr 25 05:40:37: %LINK-3-UPDOWN: Interface GigabitEthernet0/0/0, changed state to down
*Apr 25 05:40:37: %LINK-3-UPDOWN: SIP0/0: Interface GigabitEthernet0/0/0, changed state to down
*Apr 25 05:40:38: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/0, changed sta

[balaji.bandi]

First, I would start with Physical Cable replacement, and also check what is another side connected? Switch ? what logs you see same time?

What kind of throughput this handling?

Troubleshoot tips :

https://www.cisco.com/c/en/us/support/docs/routers/asr-1000-series-aggregation-services-routers/110531-asr-packet-drop.html

[hitesh.shah@startv.com]

We have checked following things.

1. Replaced cable from mux to ASR router
2. Changed router interface gi0/0/0 to gi0/0/02
3. Other side changed MUX SFP as well as physical port
4. also restart router

Still we are facing packet droop issue.

->Throughput handling approximate 350 Mbps