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Table Of Contents

● For a 10-Gigabit Ethernet interface, enter the keyword

TenGigabitEthernet then the slot/port/subport information.

● For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the

slot/port information.

● For a port channel interface, enter the keywords port-channel then a

number.

● For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.

Command Modes EXEC Privilege

Command

History

This guide is platform-specific. For command information about other platforms, see the relevant Dell

EMC Networking OS Command Line Reference Guide.

Version Description

9.10(0.1) Introduced on the S6010-ON and S4048T-ON.

9.10(0.0) Introduced on the S3148.

9.10(0.0) Introduced on the S6100–ON.

9.8(2.0) Introduced on the S3100 series.

9.8(1.0) Introduced on the Z9100–ON.

9.8(0.0P5) Introduced on the S4048-ON.

9.8(0.0P2) Introduced on the S3048-ON.

9.7(0.0) Added support for VRF. Introduced on the S6000-ON.

9.5(0.1) Introduced on the Z9500.

9.2(0.2) Introduced on the Z9000.

9.0.2.0 Introduced on the S6000.

8.3.19.0 Introduced on the S4820T.

8.3.12.0 Introduced on the S4810.

6.3.1.0 Introduced.

debug isis spf-triggers

Enable debugging on the events that triggered IS-IS shortest path first (SPF) events for debugging purposes.

Syntax

debug isis [vrf vrf-name] spf-triggers

To turn off debugging, use the no debug isis [vrf vrf-name] spf-triggers command.

Parameters

vrf

vrf-name

(OPTIONAL) Enter the keyword vrf followed by the name of the VRF to

enable debugging information on IS-IS corresponding to that VRF. This information

contains SPF trigger detail tied to the VRF that you specify. When SPF is triggered,

this debugging information is displayed.