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show isis spf

Syntax

Syntax (EX Series Switches)

Description

Display information about 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 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

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

show isis spf results logical-system

show isis spf results (CLNS)

Release Information

Command introduced before Junos OS Release 7.4.