may/10 15:33:39 interface,info ether1 link down
may/10 15:33:39 interface,info ether2 link down
may/10 15:33:39 interface,info ether3 link down
may/10 15:33:39 interface,info ether4 link down
may/10 15:33:39 interface,info ether5 link down
may/10 15:33:39 interface,info ether7 link down
may/10 15:33:43 interface,info ether1 link up (speed 1G, full duplex)
may/10 15:33:43 interface,info ether2 link up (speed 1G, full duplex)
may/10 15:33:43 interface,info ether3 link up (speed 1G, full duplex)
may/10 15:33:43 interface,info ether4 link up (speed 1G, full duplex)
may/10 15:33:43 interface,info ether7 link up (speed 1G, full duplex)
may/10 15:33:44 interface,info ether5 link up (speed 1G, full duplex)
may/10 15:33:51 interface,info ether1 link down
may/10 15:33:51 interface,info ether2 link down
may/10 15:33:51 interface,info ether3 link down
may/10 15:33:51 interface,info ether4 link down
may/10 15:33:51 interface,info ether5 link down
may/10 15:33:51 interface,info ether7 link down
may/10 15:33:54 interface,info ether1 link up (speed 1G, full duplex)
may/10 15:33:54 interface,info ether2 link up (speed 1G, full duplex)
may/10 15:33:54 interface,info ether3 link up (speed 1G, full duplex)
may/10 15:33:54 interface,info ether4 link up (speed 1G, full duplex)
may/10 15:33:54 interface,info ether5 link up (speed 1G, full duplex)
may/10 15:33:54 interface,info ether7 link up (speed 1G, full duplex)
may/10 15:33:57 route,bgp,error HoldTimer expiredverso_t61_v4-1
may/10 15:33:57 route,bgp,error HoldTimer expiredverso_t61_v6-1
may/10 15:34:17 interface,info ether1 link down
may/10 15:34:17 interface,info ether2 link down
may/10 15:34:17 interface,info ether3 link down
may/10 15:34:17 interface,info ether4 link down
may/10 15:34:17 interface,info ether5 link down
may/10 15:34:17 interface,info ether7 link down
may/10 15:34:20 interface,info ether1 link up (speed 1G, full duplex)
may/10 15:34:20 interface,info ether2 link up (speed 1G, full duplex)
may/10 15:34:20 interface,info ether3 link up (speed 1G, full duplex)
may/10 15:34:20 interface,info ether4 link up (speed 1G, full duplex)
may/10 15:34:20 interface,info ether7 link up (speed 1G, full duplex)
may/10 15:34:21 interface,info ether5 link up (speed 1G, full duplex)
may/10 15:34:31 route,bgp,info Connection closed peer_t6_v4-1
may/10 15:34:31 route,bgp,info Connection closedBgpInput{ sk=Socket{ 3 ia } inpos=0
may/10 15:34:41 route,bgp,error HoldTimer expiredverso_t61_v4-1
may/10 15:34:58 interface,info ether1 link down
may/10 15:34:58 interface,info ether2 link down
may/10 15:34:58 interface,info ether3 link down
may/10 15:34:58 interface,info ether4 link down
may/10 15:34:58 interface,info ether5 link down
may/10 15:34:58 interface,info ether7 link down
may/10 15:35:01 interface,info ether1 link up (speed 1G, full duplex)
may/10 15:35:01 interface,info ether2 link up (speed 1G, full duplex)
may/10 15:35:01 interface,info ether3 link up (speed 1G, full duplex)
may/10 15:35:01 interface,info ether4 link up (speed 1G, full duplex)
may/10 15:35:01 interface,info ether5 link up (speed 1G, full duplex)
may/10 15:35:01 interface,info ether7 link up (speed 1G, full duplex)
may/10 15:35:08 route,bgp,error HoldTimer expiredverso_t61_v6-1
may/10 15:35:10 route,bgp,error HoldTimer expiredpeer_t16_v4-1
may/10 15:35:21 interface,info ether1 link down
may/10 15:35:21 interface,info ether2 link down
may/10 15:35:21 interface,info ether3 link down
may/10 15:35:21 interface,info ether4 link down
may/10 15:35:21 interface,info ether5 link down
may/10 15:35:21 interface,info ether7 link down
may/10 15:35:24 interface,info ether1 link up (speed 1G, full duplex)
may/10 15:35:24 interface,info ether2 link up (speed 1G, full duplex)
may/10 15:35:24 interface,info ether3 link up (speed 1G, full duplex)
may/10 15:35:24 interface,info ether4 link up (speed 1G, full duplex)
may/10 15:35:24 interface,info ether7 link up (speed 1G, full duplex)
may/10 15:35:25 interface,info ether5 link up (speed 1G, full duplex)
may/10 15:35:40 route,bgp,error HoldTimer expiredverso_t61_v6-1
may/10 15:35:40 route,bgp,error HoldTimer expiredverso_t61_v4-1
may/10 15:36:26 route,bgp,error HoldTimer expiredpeer_t16_v6-1
may/10 15:36:32 route,bgp,error HoldTimer expiredb_masotti_v4-1
may/10 15:36:32 route,bgp,error HoldTimer expiredb_masotti_v6-1
may/10 15:37:08 route,bgp,error HoldTimer expiredpeer_t16_v4-1
may/10 15:40:15 interface,info ether1 link down
may/10 15:40:15 interface,info ether2 link down
may/10 15:40:15 interface,info ether3 link down
may/10 15:40:15 interface,info ether4 link down
may/10 15:40:15 interface,info ether5 link down
may/10 15:40:15 interface,info ether7 link down
may/10 15:40:19 interface,info ether1 link up (speed 1G, full duplex)
may/10 15:40:19 interface,info ether2 link up (speed 1G, full duplex)
may/10 15:40:19 interface,info ether3 link up (speed 1G, full duplex)
may/10 15:40:19 interface,info ether4 link up (speed 1G, full duplex)
may/10 15:40:19 interface,info ether5 link up (speed 1G, full duplex)
may/10 15:40:19 interface,info ether7 link up (speed 1G, full duplex)
may/10 15:40:35 route,bgp,error HoldTimer expiredverso_t61_v4-1
The router is a CCR2004 with 7.9
it is a distribution routers, no rules, no queues, just pure routing with little nat for itself and form a few subnets.
On each eth port is a PTP microware link to remote POPs, on the fiber port is a link to a remote fiber POP.
No strange rules or something exotic.
BGP only v4+v6
uptime 10 days since upgrade.
no other issues, always it worked perfectly.
What can I check?