Reference Guide

868 | Intermediate System to Intermediate System (IS-IS)
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Parameters
Command Modes
EXEC Privilege
Command
History
debug isis spf-triggers
e
Enable debugging on the events that triggered IS-IS shortest path first (SPF) events for debugging
purposes.
Syntax
debug isis spf-triggers
To turn off debugging, enter no debug isis spf-triggers.
Command Modes
EXEC Privilege
Command
History
debug isis update-packets
e
Enable debugging on Link State PDUs (LSPs) that are detected by a router.
Syntax
debug isis update-packets [interface]
To turn off debugging, enter the no debug isis update-packets [interface] command.
interface
(OPTIONAL) Identifies the interface type slot/port as one of the following:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed
by the slot/port information.
• For a Port Channel interface, enter the keyword
port-channel followed by a
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword
sonet followed by the slot/port
information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
followed by the slot/port information.
• For a VLAN, enter the keyword
vlan followed by a number from 1 to 4094.
Version 8.3.12.0 Introduced on S4810
Version 6.3.1.0 Introduced
Version 8.3.12.0 Introduced on S4810
Version 6.3.1.0 Introduced