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Chapter 5
Setup and Configuration
Section 5.18.7
Managing LSP Generation
IS-IS generates new Link-State Packets (LSPs) every 30 seconds by default. However, the interval can be
configured anywhere between 1 and 120 seconds.
Since the introduction of a new LSP causes other routers in the area to recalculate routes, it is recommended to
increase the interval to decrease flooding during periods of network instability, so as to reduce the load on other
routers in the area.
The following sections describe how to configure and manage generation intervals for LSPs:
•
Section 5.18.7.1, "Viewing a List of LSP Generation Intervals"
•
Section 5.18.7.2, "Adding an LSP Generation Interval"
•
Section 5.18.7.3, "Deleting an LSP Generation Interval"
Section 5.18.7.1
Viewing a List of LSP Generation Intervals
To view a list of LSP generation intervals configured for an IS-IS area, type:
show running-config routing isis area name lsp-gen-interval
Where:
• name is the unique name for a routing process that belongs to a specific router.
If intervals have been configured, a table or list similar to the following example appears:
ruggedcom# show running-config routing isis area Area_1 lsp-gen-interval | tab
ISTYPE
INTERVAL
------------------------
level-1-only
60
!
!
If no intervals have been configured, add intervals as needed. For more information, refer to
"Adding an LSP Generation
Section 5.18.7.2
Adding an LSP Generation Interval
To add an LSP generation interval to an IS-IS area, do the following:
1.
Make sure the CLI is in Configuration mode.
2.
Add a new interval by typing:
routing isis area name lsp-gen-interval is-type [ level-1-2 | level-1-only | level-2-only ]
interval seconds
Where:
• name is the unique name for a routing process that belongs to a specific router.
• level is the IS type.
304
Interval".
RUGGEDCOM ROX II
CLI User Guide
Section 5.18.7.2,
Managing LSP Generation
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