Specifications
IP Switching Commands
show ip cef events
ISW-165
Cisco IOS IP Switching Command Reference
May 2008
The following sample output is from the show ip cef events command displaying events that occurred
within 1 second:
Router# show ip cef events within 1
CEF table events (storage for 10000 events, 14 events recorded)
+00:00:00.000:[Default-table] *.*.*.*/* New FIB table [OK]
+00:00:00.000:[Default-table] 10.1.80.194/32 FIB insert in mtrie [OK]
+00:00:00.000:[Default-table] 10.1.80.0/32 FIB insert in mtrie [OK]
+00:00:00.000:[Default-table] 10.1.80.255/32 FIB insert in mtrie [OK]
+00:00:00.004:[Default-table] 10.1.80.0/24 FIB insert in mtrie [OK]
+00:00:00.004:[Default-table] 10.1.80.0/24 NBD up [OK]
+00:00:00.004:[Default-table] 224.0.0.0/8 FIB insert in mtrie [OK]
+00:00:00.012:[Default-table] 10.1.80.0/24 NBD up [Ignr]
+00:00:00.012:[Default-table] 224.0.0.0/8 FIB remove [OK]
+00:00:00.016:[Default-table] 224.0.0.0/8 FIB insert in mtrie [OK]
+00:00:05.012:[Default-table] 224.0.0.0/8 FIB remove [OK]
+00:00:05.012:[Default-table] 224.0.0.0/8 FIB insert in mtrie [OK]
+00:00:28.440:[Default-table] 224.0.0.0/8 FIB remove [OK]
+00:00:28.440:[Default-table] 224.0.0.0/8 FIB insert in mtrie [OK]
First event occurred at 00:00:36.568 (00:04:40.756 ago)
Last event occurred at 00:01:05.008 (00:04:12.316 ago)
Table 27 describes the significant fields shown in the display.
Related Commands
Ta b l e 27 show ip cef events Field Descriptions
Field Description
+00:00:00.000 Time stamp of the IP Cisco Express Forwarding event
[Default-table] Type of VRF table for this event entry
*.*.*.*/* All IP prefixes
9.1.80.194/32 IP prefix associated with the event
FIB insert in mtrie IP prefix insert in the FIB table event
NBD up IP prefix up event
FIB remove FIB entry remove event
[Ignr] Cisco Express Forwarding ignored event
[OK] Cisco Express Forwarding processed event
Command Description
ip cef table consistency-check Enables Cisco Express Forwarding table consistency checker
types and parameters.
ip cef table event-log Controls Cisco Express Forwarding table event-log
characteristics.