Description

Customers want to confirm if they are hitting the PR1583480 with egress traffic drops on AEx bundle or member interface of AEx bundle

Solution

This issue might be seen if the following conditions are met:

* PTX platform only

* Junos release only without fix for this PR1583480

* Flapping the inet6 family from the AEx bundle

* "forwarding-options family inet6 route-accounting" configured



When this issue happens, it might hit sw.egnh.cfg_discard trap in the system and the egress traffic might get dropped on FPC. The PTX Trap-Codes - sw.egnh.cfg_discard (EGNH descriptor discard) might be seen as below when this issue happens.


FPCx(xxx-re0 vty)# show pechip xxx trapstats

DEV       TRAPCODE                                          count                rate

=========================================================================================

5 ( 250) sw.egnh.cfg_discard                             xxxxxxxxx               xxxxx


You can get the pechip# by the command "show expr-if ifd <interface-name>" on the FPC console.


Workaround

Bounce the affected member interfaces and/or AEx bundle using deactivate/activate commands.


 

Modification History

2025-07-03 : Article Created