Output Fields Table 161 on page 2707 describes the output fields for the show isis spf command. Output
fields are listed in the approximate order in which they appear.
Table 161: show isis spf Output Fields
Field DescriptionField Name
System ID of a node.Node
Metric to the node.Metric
Interface of the next hop.Interface
System ID of the next hop.Via
Subnetwork point of attachment (MAC address of the next hop).SNPA
(log option only) Time that the SPF computation started.Start time
(log option only) Length of time, in seconds, required to complete
the SPF computation.
Elapsed (secs)
(log option only) Number of times the SPF was triggered.Count
(log option only) Reason that the SPF computation was completed.Reason
Sample Output
show isis spf log
user@host> show isis spf log logical-system lsl
IS-IS level 1 SPF log:
Start time Elapsed (secs) Count Reason
Fri Oct 31 12:41:18 0.000069 1 Reconfig
Fri Oct 31 12:41:18 0.000107 3 Updated LSP fix.00-00
Fri Oct 31 12:41:18 0.000050 3 Address change on so-1/2/2.0
Fri Oct 31 12:41:23 0.000033 1 Updated LSP fix.00-00
Fri Oct 31 12:41:28 0.000178 5 New adjacency scat on ge-1/1/0.0
Fri Oct 31 12:41:59 0.000060 1 Updated LSP fix.00-00
Fri Oct 31 12:42:30 0.000161 2 Multi area attachment change
Fri Oct 31 12:56:58 0.000198 1 Periodic SPF
Fri Oct 31 13:10:29 0.000209 1 Periodic SPF
IS-IS level 2 SPF log:
Start time Elapsed (secs) Count Reason
Fri Oct 31 12:41:18 0.000035 1 Reconfig
Fri Oct 31 12:41:18 0.000047 2 Updated LSP fix.00-00
Fri Oct 31 12:41:18 0.000043 5 Address change on gr-0/2/0.0
Fri Oct 31 12:41:23 0.000022 1 Updated LSP fix.00-00
Fri Oct 31 12:41:59 0.000144 3 New adjacency h on gr-0/2/0.0
Fri Oct 31 12:42:30 0.000257 3 New LSP skag.00-00
Fri Oct 31 12:54:37 0.000195 1 Periodic SPF
Fri Oct 31 12:55:50 0.000178 1 Updated LSP fix.00-00
Fri Oct 31 12:55:55 0.000174 1 Updated LSP h.00-00
Fri Oct 31 12:55:58 0.000176 1 Updated LSP skag.00-00
2707Copyright © 2017, Juniper Networks, Inc.
Chapter 42: Operational Commands
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