Administrator Guide

• For a 25-Gigabit Ethernet interface, enter the keyword twentyFiveGigE then the
stack/slot/port/subport information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the stack/
slot/port[/subport] information.
• For a 50-Gigabit Ethernet interface, enter the keyword fiftyGigE then the stack/
slot/port/subport information.
• For a 100-Gigabit Ethernet interface, enter the keyword hundredGigE then the
stack/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.
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.
798 Intermediate System to Intermediate System (IS-IS)