Errors on Fast ethernet Interface - Cisco Routers

Errors on Fast ethernet interface of Cisco routers.

If you are facing problem with the increasing errors on cisco router fast ethernet interface, you can apply few quick fixes.

1) Check the router memory and holding memory of the process, using following command :
    show processes memory

Check this every few minutes as this should not increase.

2) Check CPU process for spikes in CPU using following command
show processes CPU history
sh processes cpu sorted | exclude 0.00
3) Check the uptime of the router using following command.
Show version

4) Issue can be with the cable, it should be CAT 5 or CAT 5e.

5) Issue can be with the Duplex/Speed set to auto/auto.
   It should be always hard coded e.g. duplex full / speed 100.




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Associate Director Products Engineering (Building product vision and roadmaps / Hyper-Automation | Multi-Cloud Networking | Analytics | SD-WAN/LAN | NFV | SASE | Private 5G | IoT to Cloud | Edge to Cloud) at NTT Associate Director with a demonstrated history of working in the telecommunications industry. Skilled in next-generation technologies (SD-WAN/ SDN/ SASE/ Edge to Cloud/ IoT to Multi-Cloud), Pre-sales, and Private 5G. Strong operations professional with SD-WAN /SASE / IoT experience. Product leadership roles with experience in incubating, launching, and scaling products developed inhouse Goals inline to Hyper-Automation and enhanced AI to feed the system with all the triage information. Creating multi-experience for internal and external users. Incubated Edge to Cloud, IoT to Multi-Cloud, IoT Analytics Incubated and launched, and scaled SmartOOB based on 4G/5G technology to provide access to the underlying infrastructure Global IT Operations Management (Network Operations &...
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