Administrator Guide

Version Description
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.
C9000 Series
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,refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Added support for VRF. Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
6.3.1.0 Introduced.
debug isis update-packets
Enable debugging on link state PDUs (LSPs) that a router detects.
C9000 Series
Syntax
debug isis update-packets [interface][vrf vrf-name]
To turn off debugging, use the no debug isis update-packets [interface] command.
Intermediate System to Intermediate System (IS-IS) 817