Description

This KB explains the meaning of the log message "%PFE-3: fpc0 soc_mem_read: invalid index -1 for memory EGR_L3_INTF " seen on QFX5100 platforms.

Symptoms

Below log message is seen on the device:- 
Apr 23 08:52:23  device : %PFE-3: fpc0 soc_mem_read: invalid index -1 for memory EGR_L3_INTF 
Apr 23 08:52:23  device : %PFE-3: fpc0 soc_mem_read: invalid index -1 for memory EGR_L3_INTF

Solution

Periodically, JUNOS tries to collect stats for the pseudo ifl interface (like jsrv.0) from PFE, which has nothing to do with PFE statistics, so PFE cannot provide any stat for it.

The below PR can be referenced for more details on this log message:-

​​​​​​​https://prsearch.juniper.net/problemreport/PR1126035 ​​​​​​​

Modification History

2024-04-30 : Article Created