Verifying the LDP Routes
Purpose Verify the automatically targeted LDP routes.
Action From operational mode, enter the show ldp session auto-targeted detail command.
user@R1> show ldp session auto-targeted detail
Address: 10.255.102.156, State: Operational, Connection: Open, Hold time: 21
Session ID: 10.255.102.128:0--10.255.102.156:0
Next keepalive in 1 seconds
Passive, Maximum PDU: 4096, Hold time: 30, Neighbor count: 1
Neighbor types: auto-targeted
Keepalive interval: 10, Connect retry interval: 1
Local address: 10.255.102.128, Remote address: 10.255.102.156
Up for 11:38:23
Capabilities advertised: none
Capabilities received: none
Protection: disabled
Session flags: none
Local - Restart: disabled, Helper mode: enabled
Remote - Restart: disabled, Helper mode: enabled
Local maximum neighbor reconnect time: 120000 msec
Local maximum neighbor recovery time: 240000 msec
Local Label Advertisement mode: Downstream unsolicited
Remote Label Advertisement mode: Downstream unsolicited
Negotiated Label Advertisement mode: Downstream unsolicited
MTU discovery: disabled
Nonstop routing state: Not in sync
Next-hop addresses received:
1.1.3.6
1.1.4.7
10.255.102.156
Meaning The output shows automatically targeted LDP next hops.
Verifying the Designated Backup Path Node
Purpose Display the remote LFA next hop determined for a given destination.
Action From operational mode, enter the show isis backup spf results command.
user@R1> show isis backup spf results R6
IS-IS level 1 SPF results:
R6.00
Primary next-hop: ge-1/5/0, IPV4, R6, SNPA: 0:5:85:88:f0:bc
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
Copyright © 2017, Juniper Networks, Inc.578
ACX Series Universal Access Router Configuration Guide
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