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show isis spf

Syntax

show isis spf (brief | log | results)

<instance instance-name>

<level (1 | 2)>

<logical router (all | logical-router-name)>

<topology (ipv4-multicast | ipv6-multicast | ipv6-unicast | unicast)>

Description

Display information about Intermediate System-to-Intermediate System (IS-IS) shortest-path-first (SPF) calculations.

Options

brief—Display an overview of SPF calculations.

log—Display the log of SPF calculations.

results—Display the results of SPF calculations.

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.

logical-router (all | logical-router-name)—(Optional) Perform this operation on all logical routers or on a particular logical router.

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 briefshow isis spf logshow isis spf resultsshow isis spf results (CLNS)

Output Fields

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 output only) Time that the SPF computation started.

Elapsed time—(Log output only) Length of time required to complete the SPF computation in seconds.

Count—(Log output only) Number of times the SPF was triggered.

Reason—(Log output only) Reason that the SPF computation was completed.

show isis spf brief

user@host> show isis spf brief logical-router lr1

 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

 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

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

fix.02           10

fix.00           0

  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

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

fix.00           0

  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 log

user@host> show isis spf log logical-router lrl

 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

user@host> show isis spf results logical-router lr1

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

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