[j-nsp] MX upgrade to 15.1R4.6: loopback filters drop all traffic

Olivier Benghozi olivier.benghozi at wifirst.fr
Sun Sep 18 11:14:50 EDT 2016

Updated from 14.2 to 15.1R here (on several MX, same RE hardware).
Didn't see this issue.
Any particular stuff in your filters ?

> Le 18 sept. 2016 à 09:18, Chuck Anderson <cra at WPI.EDU> a écrit :
> Has anyone upgraded from 14.2 to 15.1 and seen this issue?  Right
> after the upgrade, all loopback filters started dropping all traffic
> causing OSPF & BGP failures, inability to ping or SSH into fxp0, etc.,
> despite being configured to allow the appropriate management & control
> plane traffic which was working perfectly fine in 14.2.
> Deactivating/reactivating the filters "fixed" the issue, as did a full
> box reboot.  Of course JTAC can't reproduce it.  64-bit Junos,
> RE-1800X4's.

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