Dell: How to enable control-plane policing / rate-limiting

By Sai Kiran Pandrala · reviewed by Sai Kiran Pandrala, Editor Last verified: 2026-05-30

What this guide covers

How to enable control-plane policing / rate-limiting on Dell devices (Dell OS10 / SmartFabric OS).

Recommendation

Rate-limit traffic punted to the control plane. Stops DoS attacks against the CPU.

CLI / commands

# Entered from: configure terminal
interface ethernet1/1/1
  ip address 10.0.0.1/24
  no shutdown

# Save / commit
write memory

Verify

• Test from a non-admin workstation.
• Confirm fallback works if AAA or external service is down.
• Document the change in your CMDB / change-control.

Frequently asked questions

Will this work on my specific Dell OS10 / SmartFabric OS version?

The procedure reflects current Dell OS10 / SmartFabric OS behaviour. Older releases may need minor syntax adjustments, use the CLI help (? or tab-completion) to verify.

Should I open a Dell ProSupport case immediately?

Open one if you suspect hardware failure or the symptom persists after a maintenance-window reload. Make sure your support entitlement is active first.

Where can I find the Dell official documentation?

https://www.dell.com/support/kbdoc: search the product family + feature name.

Is this procedure safe in production?

Test in a lab or maintenance window first. Capture pre-change state so you can roll back.

Related guides

• All Dell fix guides → /dell/
• All vendor guides → /vendors/

Related fixes

Related guides worth a look while you sort this one out:

• Dell: How to enable HTTPS-only management
• Dell: How to enable management ACL to lock down access
• Dell: How to enable NETCONF or vendor API over SSH
• Dell: How to configure logging to a central SIEM
• Dell: How to disable unused services and protocols
• Dell: How to force MFA on the management portal

References

• Dell support portal: https://www.dell.com/support
• Dell knowledge base: https://www.dell.com/support/kbdoc
• Dell security advisories: https://www.dell.com/support/security
• Open a case: https://www.dell.com/support/incidents-online

Reference material, not professional advice. Validate against your specific Dell OS10 / SmartFabric OS version and test in a non-production environment before applying.

Why this matters for your day-to-day

A Dell: device that's misbehaving costs more than the fix itself: lost productivity, missed calls, security risk, even safety risk in some categories. Treating the symptom quickly with a documented procedure is cheaper than letting it persist. The steps above are written to get you back to working in under an hour where possible, and to flag clearly when escalation is the right call.

Quick triage

A few things to confirm so the Dell: device fix goes cleanly:

• Latest firmware downloaded if you're going to update.
• Warranty + support contract status checked, opening sealed parts may void it.
• Backup of current configuration (where applicable) taken.
• Spare parts on hand if you anticipate replacement.
• Adequate workspace, lighting, and time. rushing causes regressions.

Confirm it stuck

After applying the fix on your Dell: device, confirm:

• The original symptom is no longer reproducible.
• Related features (status LEDs, app sync, paired accessories) still work.
• The device responds to a soft reboot without the fault returning.
• Any error codes that were on display have cleared.
• Documentation (your service log, the brand companion app) reflects the change.

When to call Dell: support instead

Escalate if:

• The same symptom returns within 24 hours of a clean fix.
• You see physical damage (burn marks, swollen battery, cracked PCB).
• The device is in warranty and a hardware replacement is the cheaper outcome.
• Repair requires specialised tools you don't own (alignment jigs, calibration software).
• Following the official path keeps the warranty intact, which matters more than the time spent.

More frequently asked questions

What if the fix returns after a reboot?

Persistent fault returns mean either: a hardware fault (escalate), a configuration that's being overwritten by a sync source (check cloud profiles), or a regression in a recent firmware update (rollback).

How often should I run preventive checks?

Quarterly for most consumer devices; monthly for production / commercial devices. Set a calendar reminder so the device stays healthy between issues.

Are there safer alternatives for non-technical users?

Yes, the manufacturer's self-service troubleshooter (HP Smart, LG ThinQ, Samsung Members, similar) usually walks through the same steps in a guided UI. Use that first if you're not comfortable with menu paths.

What if my model isn't exactly the same revision?

Cross-check the model code on the rating plate against the manufacturer support page. Major firmware generations sometimes shift the menu path; the option is usually under a similarly-named section.

Is it safe to apply during business hours?

If the device is in production use, apply during a scheduled maintenance window. Most procedures need 2-15 minutes of downtime. Capture pre-change state so you can roll back if needed.