Users Guide
IS-IS: Level-2 SPF Calculations : 389
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Dell#
spf-interval
Specify the minimum interval between shortest path first (SPF) calculations.
Syntax
spf-interval [level-l | level-2] interval seconds [initial_wait_interval
seconds [second_wait_interval seconds]]
To restore default values, use the no spf-interval [level-l | level-2] interval seconds
[initial_wait_interval seconds [second_wait_interval seconds]] command.
Parameters
level-l (OPTIONAL) Enter the keyword level-1 to apply the configuration to Level-1 SPF
calculations.
level-2 (OPTIONAL) Enter the keyword level-2 to apply the configuration to Level-2 SPF
calculations.
interval seconds
Enter the maximum number of seconds between SPF calculations. The range is from 0 to
120 seconds. The default is 10 seconds.
initial_wait_interv
al seconds
(OPTIONAL) Enter the initial wait time, in seconds, before running the first SPF
calculations. The range is from 0 to 120 seconds. The default is 5 seconds.
second_wait_inter
val seconds
(OPTIONAL) Enter the wait interval, in seconds, between the first and second SPF
calculations. The range is from 0 to 120 seconds. The default is 5 seconds.
Defaults See Parameters.
Command Modes
• ROUTER ISIS (for IPv4)
• CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 (for IPv6)
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.12.0 Introduced on the S4810.
7.8.1.0 Added support for multi-topology ISIS.
7.5.1.0 Added support for SPF Throttling Enhancement.
Usage Information
This command spf-interval in CONFIG-ROUTER-ISIS-AF-IPV6 mode is used for IPv6 Multi-Topology route
computation only. If using Single Topology mode, use the spf-interval command in CONFIG-ROUTER-ISIS
mode for both IPv4 and IPv6 route computations.
774 Intermediate System to Intermediate System (IS-IS)