show isis spf
Syntax
Syntax (EX Series Switches)
Release Information
Command introduced before Junos OS Release 7.4.
Command introduced in Junos OS Release 9.0 for EX Series switches.
Description
Display information about IS-IS shortest-path-first (SPF) calculations.
Options
brief | — | Display an overview of SPF calculations. |
instance instance instance-name | — | (Optional) Display SPF calculations for the specified routing instance. |
level (1 | 2) | — | (Optional) Display SPF calculations for the specified IS-IS level. |
log | — | Display the log of SPF calculations. |
logical-system (all | logical-system-name) | — | (Optional) Perform this operation on all logical systems or on a particular logical system. |
results | — | Display the results of SPF calculations. |
topology (ipv4-multicast | ipv6-multicast | ipv6-unicast | unicast) | — | (Optional) Display SPF calculations for the specified topology only. |
Required Privilege Level
view
List of Sample Output
show isis spf logshow isis spf results logical-system
show isis spf results (CLNS)
Output Fields
Table 1 describes the output fields for the show isis spf command. Output fields are listed in the approximate order in which they appear.
Table 1: show isis spf Output Fields
Field Name | Field Description |
|---|---|
Node | System ID of a node. |
Metric | Metric to the node. |
Interface | Interface of the next hop. |
Via | System ID of the next hop. |
SNPA | Subnetwork point of attachment (MAC address of the next hop). |
Start time | (log option only) Time that the SPF computation started. |
Elapsed (secs) | (log option only) Length of time, in seconds, required to complete the SPF computation. |
Count | (log option only) Number of times the SPF was triggered. |
Reason | (log option only) Reason that the SPF computation was completed. |
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 Fri Oct 31 13:08:14 0.000198 1 Periodic SPF IPV6 Unicast IS-IS level 1 SPF log: Start time Elapsed (secs) Count Reason Fri Oct 31 12:41:18 0.000028 1 Reconfig Fri Oct 31 12:41:18 0.000043 3 Updated LSP fix.00-00 Fri Oct 31 12:41:18 0.000112 4 Updated LSP fix.00-00 Fri Oct 31 12:41:23 0.000059 1 Updated LSP fix.00-00 Fri Oct 31 12:41:25 0.000041 1 Updated LSP fix.00-00 Fri Oct 31 12:41:28 0.000103 5 New adjacency scat on ge-1/1/0.0 Fri Oct 31 12:41:59 0.000040 1 Updated LSP fix.00-00 Fri Oct 31 12:42:30 0.000118 2 Multi area attachment change Fri Oct 31 12:56:08 0.000289 1 Periodic SPF Fri Oct 31 13:11:07 0.000214 1 Periodic SPF IPV6 Unicast IS-IS level 2 SPF log: Start time Elapsed (secs) Count Reason Fri Oct 31 12:41:18 0.000027 1 Reconfig Fri Oct 31 12:41:18 0.000039 2 Updated LSP fix.00-00 Fri Oct 31 12:41:18 0.000049 6 Updated LSP fix.00-00 Fri Oct 31 12:41:23 0.000025 1 Updated LSP fix.00-00 Fri Oct 31 12:41:25 0.000023 1 Updated LSP fix.00-00 Fri Oct 31 12:41:59 0.000087 3 New adjacency h on gr-0/2/0.0 Fri Oct 31 12:42:30 0.000123 3 New LSP skag.00-00 Fri Oct 31 12:55:50 0.000121 1 Updated LSP fix.00-00 Fri Oct 31 12:55:55 0.000121 1 Updated LSP h.00-00 Fri Oct 31 12:55:58 0.000121 1 Updated LSP skag.00-00 Fri Oct 31 13:09:46 0.000201 1 Periodic SPF ...
show isis spf results logical-system
user@host> show isis spf results logical-system
ls1 IS-IS level 1 SPF results:
Node Metric Interface Via SNPA
scat.00 10 ge-1/1/0.0 scat 0:90:69:a6:48:9d
20 10.9.1.0/30
fix.02 10
fix.00 0
10 10.9.1.0/30
10 10.9.5.0/30
10 10.9.6.0/30
20 10.9.7.0/30
60 10.9.201.1/32
3 nodes
IS-IS level 2 SPF results:
Node Metric Interface Via SNPA
skag.00 20 gr-0/2/0.0 h
30 10.9.7.0/30
skag.02 20 gr-0/2/0.0 h
h.00 10 gr-0/2/0.0 h
20 10.9.6.0/30
20 10.9.7.0/30
60 10.9.201.1/32
fix.00 0
10 10.9.1.0/30
10 10.9.5.0/30
10 10.9.6.0/30
4 nodes
IPV6 Unicast IS-IS level 1 SPF results:
Node Metric Interface Via SNPA
scat.00 10 ge-1/1/0.0 scat 0:90:69:a6:48:9d
ge-1/1/0.0 scat 0:90:69:a6:48:9d
20 8009:1::a09:1400/126
fix.02 10
fix.00 0
10 8009:1::a09:1400/126
10 8009:2::a09:1e00/126
20 8009:3::a09:3200/126
10 8009:4::a09:2800/126
3 nodes
IPV6 Unicast IS-IS level 2 SPF results:
Node Metric Interface Via SNPA
skag.00 20 gr-0/2/0.0 h
gr-0/2/0.0 h
30 8009:3::a09:3200/126
skag.02 20 gr-0/2/0.0 h
gr-0/2/0.0 h
h.00 10 gr-0/2/0.0 h
gr-0/2/0.0 h
20 8009:3::a09:3200/126
20 8009:4::a09:2800/126
fix.00 0
10 8009:1::a09:1400/126
10 8009:2::a09:1e00/126
10 8009:4::a09:2800/126
4 nodes
Multicast IS-IS level 1 SPF results:
Node Metric Interface Via SNPA
scat.00 10 ge-1/1/0.0 scat 0:90:69:a6:48:9d
fix.02 10
fix.00 0
3 nodes
Multicast IS-IS level 2 SPF results:
Node Metric Interface Via SNPA
skag.00 20 gr-0/2/0.0 h
skag.02 20 gr-0/2/0.0 h
h.00 10 gr-0/2/0.0 h
fix.00 0
4 nodes
...
show isis spf results (CLNS)
user@host> show isis spf results IS-IS level 1 SPF results:
Node Metric Interface Via SNPA
skag.00 10 fe-0/0/1.0 toothache 0:12:0:34:0:56
fe-0/0/1.0 toothache 0:12:0:34:0:56
20 192.168.37.64/29
10 1921.6800.4001
20 1921.6800.4002
pro1-a.02 10
pro1-a.00 0
0 10.255.245.1/32
10 192.168.37.64/29
0 1921.6800.4211
3 nodes
IS-IS level 2 SPF results:
Node Metric Interface Via SNPA
skag.00 10 fe-0/0/1.0 toothache 0:12:0:34:0:56
fe-0/0/1.0 toothache 0:12:0:34:0:56
20 10.255.245.1/32
20 192.168.37.64/29
20 47.0005.80ff.f800.0000.0109.0010/104
pro1-a.02 10
pro1-a.00 0
0 10.255.245.1/32
10 192.168.37.64/29
3 nodes
