Juniper ACX2000

Action From operational mode, enter the show ospf backup spf results command.
user@R6> show ospf backup spf results
Topology default results:
Area 0.0.0.0 results:
6.6.6.6
Self to Destination Metric: 1
Parent Node: 60.1.1.2
Primary next-hop: ge-0/0/0.0 via 60.1.1.1
Backup next-hop: LDP->4.4.4.4 via ge-0/0/2.0
Backup Neighbor: 6.6.6.6 via: Direct
Neighbor to Destination Metric: 0, Neighbor to Self Metric: 1
Self to Neighbor Metric: 1, Backup preference: 0x0
Not eligible, Reason: Primary next-hop link fate sharing
Backup Neighbor: 2.2.2.2 via: Direct
Neighbor to Destination Metric: 2, Neighbor to Self Metric: 1
Self to Neighbor Metric: 1, Backup preference: 0x0
Not eligible, Reason: Path loops
Backup Neighbor: 8.8.8.8 via: Direct
Neighbor to Destination Metric: 2, Neighbor to Self Metric: 1
Self to Neighbor Metric: 1, Backup preference: 0x0
Not eligible, Reason: Path loops
Backup Neighbor: 4.4.4.4 via: LDP (LSP endpoint)
Neighbor to Destination Metric: 2, Neighbor to Self Metric: 3
Self to Neighbor Metric: 3, Backup preference: 0x0
Eligible, Reason: Contributes backup next-hop
Meaning The output indicates whether a specific interface or node has been designated as a
remote backup path and why.
Verifying the Backup Neighbors
Purpose Display the backup neighbors for the Device R6
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Chapter 18: Configuring Routing Protocols