JAEN

Cisco IOS

show logging

SafeShow logs (Cisco)

show logging

Displays the device log buffer to chase issues.

Examples

  • show logging | include DOWNFilter link-down events

Syntax

show logging [| include <term>]

Before you run it

Read-only.

Used when you see

Suspected L2 loop
3
Trace the source port via logs
See the whole flow →
BGP session down
3
Find the drop time and reason in logsHold-timer drops suggest line quality; notifications suggest config.
See the whole flow →

Related commands

You can carry a laptop to the rack. Signal will not follow.

Check syntax standing in front of the hardware, with no connection at all. The app keeps 1,510 commands and 120 fix flows on your device. Free to install, no ads (some content is a one-time purchase).

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