Users Guide

Version Description
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 rst (SPF) events for debugging purposes.
S4820T
Syntax
debug isis [vrf vrf-name] spf-triggers
To turn o 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-specic. 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
9.7(0.0) Added support for VRF. Introduced on the S6000-ON.
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.
S4820T
Syntax
debug isis [vrf vrf-name] update-packets [interface]
862
Intermediate System to Intermediate System (IS-IS)