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show isis spf

 

List of Syntax

Syntax

Syntax (EX Series Switches)

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

briefDisplay an overview of SPF calculations.
logDisplay the log of SPF calculations.
resultsDisplay 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.
logDisplay 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.
resultsDisplay 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 log

show 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

show isis spf results logical-system

user@host> show isis spf results logical-system ls1

show isis spf results (CLNS)

user@host> show isis spf results