Juniper ACX1000 Configuration Manual page 637

Meaning
Related
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track-item: R6.00-00
track-item: R4.00-00
Eligible, Backup next-hop: ge-1/0/0, LSP, LDP->R4(10.255.102.156), Prefixes: 2
1 nodes
IS-IS level 2 SPF results:
R6.00
Primary next-hop: ge-1/5/0, IPV4, R6, SNPA:
Root: R6, Root Metric: 10, Metric: 0, Root Preference: 0x0
Not eligible, IPV4, Reason: Primary next-hop link fate sharing
Root: R2, Root Metric: 10, Metric: 20, Root Preference: 0x0
track-item: R6.00-00
track-item: R1.00-00
Not eligible, IPV4, Reason: Path loops
Root: R4, Root Metric: 30, Metric: 20, Root Preference: 0x0
track-item: R6.00-00
track-item: R4.00-00
Eligible, Backup next-hop: ge-1/0/0, LSP, LDP->R4(10.255.102.156), Prefixes: 0
1 nodes
The output indicates whether a specific interface or node has been designated as a
remote backup path and why.
Understanding Remote LFA over LDP Tunnels in IS-IS Networks on page 564
auto-targeted-session
no-eligible-remote-backup
remote-backup-calculation
Chapter 18: Configuring Routing Protocols
0:5:85:88:f0:bc
579