Layer 2 Switching Commands 489
Interface Error Disable and Auto
Recovery
Dell EMC Networking N1100-ON/N1500/N2000/N2100-
ON/N3000/N3100-ON/N4000 Series Switches
Interface error disable automatically disables an interface when an error is
detected; no traffic is allowed until the interface is either manually re-enabled
or, if auto recovery is configured, the configured auto recovery time interval
has passed.
For interface error disable and auto recovery, when an error condition is
detected for an interface, the interface is placed in a diagnostic disabled state
by shutting down the interface. The error disabled interface does not allow
any traffic until the interface is re-enabled. The error disabled interface can
be manually enabled using the no shutdown command. Alternatively
administrator can enable auto recovery feature. Dell EMC Networking Auto
Recovery re-enables the interface after the expiry of configured time interval.
Commands in this Section
This section explains the following commands:
errdisable recovery cause
Use the errdisable recovery cause command to enable automatic recovery of
any interface when disabled from the listed cause. Use the no form of the
command to disable auto-recovery globally or for a specific cause.
Syntax
errdisable recovery cause {all | arp-inspection | bpduguard | dhcp-rate-
limit | sfp-mismatch | sfpplus-mismatch | udld | ucast-storm | bcast-storm
| mcast-storm | bpdustorm | loop-protect | port-security}
• All — Recovery for all possible causes is enabled.
errdisable recovery cause show errdisable recovery
errdisable recovery interval show interfaces status err-disabled
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