Managing The Lifetime Of Lsps; Viewing A List Of Lsp Lifetime Intervals; Adding An Lsp Lifetime Interval - Siemens RUGGEDCOM ROX II User Manual

RUGGEDCOM ROX II
CLI User Guide
Section 5.18.9

Managing the Lifetime of LSPs

IS-IS retains Link-State Packets (LSP) in the Link-State Database (LSDB) for only a short period of time unless
they are refreshed. By default, the maximum time limit is 1200 seconds. However, this interval can be customized
for different routing types within the range of 350 to 65535 seconds if needed.
Th lifetime interval is configurable for each area and routing type in the IS-IS network.
The following sections describe how to configure and manage LSP lifetime intervals for LSPs:
NOTE
For information about configuring the refresh interval for an LSP, refer to
LSP Refresh
• Section 5.18.9.1, "Viewing a List of LSP Lifetime Intervals"
• Section 5.18.9.2, "Adding an LSP Lifetime Interval"
• Section 5.18.9.3, "Deleting an LSP Lifetime Interval"
Section 5.18.9.1

Viewing a List of LSP Lifetime Intervals

To view a list of LSP lifetime intervals configured for an IS-IS area, type:
show running-config routing isis area name max-lsp-lifetime
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 max-lsp-lifetime | 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 Lifetime
Section 5.18.9.2

Adding an LSP Lifetime Interval

To add an LSP lifetime interval to an IS-IS area, do the following:
IMPORTANT!
The LSP lifetime interval must be 300 seconds higher than the LSP refresh interval. For more
information about LSP refresh intervals, refer to
1. Make sure the CLI is in Configuration mode.
2. Add a new interval by typing:
Managing the Lifetime of LSPs
Intervals".
Interval".
Section 5.18.10, "Managing LSP Refresh
Setup and Configuration
Section 5.18.10, "Managing
Section 5.18.9.2,
Intervals".
Chapter 5
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