Hello thanks for the replies. I received confimation that the messages appear just fine with 14.1X53-D40.8, so this seems to be just another Junos bug.
At least the following Junos versions are affected: 17.3R2 17.3R3-S1 Yes, this is the officially recommended version that's broken and no, there seems to be no mention of this in the release notes. Regards Karl On 19.11.18 12:37, Karl Gerhard wrote: > Hello > > I need to check interfaces for LACP flaps on a QFX5100. > On an EX4550 and EX4300 it is very easy to do that. Every LACP state change > would get logged and the syslog messages would look like this: > Nov 16 14:44:15 ex4550-test /kernel: %KERN-5-KERN_LACP_INTF_STATE_CHANGE: > lacp_update_state_userspace: cifd xe-0/0/16 - DETACHED state - will not carry > traffic > Nov 16 14:44:24 ex4550-test /kernel: %KERN-5-KERN_LACP_INTF_STATE_CHANGE: > lacp_update_state_userspace: cifd xe-0/0/16 - ATTACHED state - acting as > standby link > Nov 16 14:44:24 ex4550-test /kernel: %KERN-5-KERN_LACP_INTF_STATE_CHANGE: > lacp_update_state_userspace: cifd xe-0/0/16 - CD state - ready to carry > traffic > > However, with QFX5100 I don't see those syslog entries any more. Best thing I > can find when I disable an interface is this: > Nov 19 11:55:48 qfx5100-test /kernel: %KERN-7: lag_set_dcd_link_state: > ifd=ge-0/0/36, ifd flags=0xc002 > Nov 19 11:55:48 qfx5100-test /kernel: %KERN-7: lag_set_dcd_link_state: DCD > Down received for ifd=ge-0/0/36 > > Unfortunately "ifd" refers to the physical interface that is being shut down, > therefore I think the message when LACP flaps without the physical interface > going up/down (an example for this would be packet loss) will look different > (or there is none at all). > > Does anyone know whether the QFX5100 logs LACP state changes at all or > whether it is possible to configure that? > > Regards > Karl > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp