For the link up and link down traps, there is underlying code that controls all of this. Out-of-the-box, the event 0x10d18 asserts suppressed condition.
The ONLY event configured to clear that suppressed condition is the event 0x10d2a and, Out-of-the-box it is not a logged event.
This is the reason why we do not see the clear event for the event 0x10d18.
To log event 0x10d2a, do the following:
Please note, the following event codes must NOT be customized, otherwise it will cause issues on Fault Isolation feature:
0x10701
0x10703
0x10302
0x10d35
0x10d36
0x10d00
0x10d05
0x10d09
0x10d0b
0x10d0c
0x10d10
0x10d11
0x10d12
0x10d13
0x10d14
0x10d15
0x10d16
0x10d17
0x10d18
0x10d19
0x10d20
0x10daa
0x10d66
0x10d67
For further information on how Fault Isolation works in Spectrum, see the following section of the Spectrum Technical Documentation:
Fault Isolation (broadcom.com)
For information on the Event Configuration Editor, see:
Getting Started with Event Configuration (broadcom.com)