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Parameters
vrf vrf-name (Optional) Enter the keyword vrf followed by the name of the
VRF to enable debugging information on ISIS for CSNP/PSNP
packets tied to that VRF. The command displays the SNP
(CSNP/PSNP) related debugging information.
interface (OPTIONAL) Identifies the interface type slot/port as one of
the following:
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port 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,
refer to the relevant
Dell Networking 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.
9.2(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.
S4820T
Syntax
debug isis [vrf vrf-name] spf-triggers
Intermediate System to Intermediate System (IS-IS)
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