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Beginner

IOS-XR SNMP Interface Spikes

Hello,

 

can anyone confirm this strange behavior @ SNMP.

The spikes are only in SNMP on all interfaces at the same time. No spikes if i monitor the interface on the Router.

 

SNMP collected with telegraf>influxdb>grafana but the same problem if i use other collectors.

Have IOS-XR SNMP request/send limits?

 

running on ios-xr 6.4.2

 

cscoiosxr.JPG

 

Best Regards.

2 REPLIES 2
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Re: IOS-XR SNMP Interface Spikes

We've seen similar traffic on different interfaces in the past, and suspect it is a buffering event of some kind in the attached device.  We don't see this behavior in 9K-9K backbone traffic, even at high rates.

 

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Cisco Employee

Re: IOS-XR SNMP Interface Spikes

do you have "snmp-server ifmib stats cache" configured? i have seen gaps/dips before which can be resolved by adding this feature

https://community.cisco.com/t5/service-providers-documents/asr9000-xr-understanding-snmp-and-troubleshooting/ta-p/3144621

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