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All links down

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OriiOn
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Joined: Thu Feb 25, 2010 11:54 am

All links down

Wed Jun 12, 2024 10:19 pm

On our CCR1036-12G-4S router with ROS 7.14.1 it happened already twice (last time like 3 months back) that all links went down, and up again after a second.
Code: Select all
 11:30:31 interface,info eth4-KASSEN-NEW link down
 11:30:31 interface,info eth6 link down
 11:30:31 interface,info eth7-SCHLOFFER link down
 11:30:31 interface,info eth9-CRS-1G-MGMT link down
 11:30:31 interface,info eth10-MPLS link down
 11:30:31 interface,info eth11-WAN-A1 link down
 11:30:31 interface,info eth12-WAN-WE link down
 11:30:31 interface,info eth2-LS-BACKUP link down
 11:30:31 interface,info eth3-TOTORAUM link down
 11:30:32 interface,info eth4-KASSEN-NEW link up (speed 100M, full duplex)
 11:30:32 interface,info eth3-TOTORAUM link up (speed 100M, full duplex)
 11:30:33 interface,info eth6 link up (speed 1G, full duplex)
 11:30:33 interface,info eth7-SCHLOFFER link up (speed 1G, full duplex)
 11:30:33 interface,info eth9-CRS-1G-MGMT link up (speed 1G, full duplex)
 11:30:33 interface,info eth10-MPLS link up (speed 1G, full duplex)
 11:30:33 interface,info eth11-WAN-A1 link up (speed 1G, full duplex)
 11:30:33 interface,info eth12-WAN-WE link up (speed 1G, full duplex)
 11:30:33 interface,info eth2-LS-BACKUP link up (speed 1G, full duplex)
Interestingly, there are 3x SFP ports, that did not go down. Attached to these 3 SFP ports are 2 different CRS326-24S+2Q+ 10G switches, and 1 CRS354-48G-4S+2Q+ 1G switch, all running the same ROS.

That same CRS354-48G-4S+2Q+ is also connected via a MGMT port at eth9-CRS-1G-MGMT on the router.

What could cause the link down?
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