Service Manual

spf-interval
Specify the minimum interval between shortest path rst (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 conguration to Level-1
SPF calculations.
level-2 (OPTIONAL) Enter the keyword level-2 to apply the conguration 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_interval
seconds
(OPTIONAL) Enter the initial wait time, in seconds, before running the rst SPF
calculations. The range is from 0 to 120 seconds. The default is 5 seconds.
second_wait_interv
al seconds
(OPTIONAL) Enter the wait interval, in seconds, between the rst and second SPF
calculations. The range is from 0 to 120 seconds. The default is 5 seconds.
Defaults Refer to Parameters.
Command Modes
ROUTER ISIS (for IPv4)
CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 (for IPv6)
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0) Introduced on the S3048-ON and S4048-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.
844
Intermediate System to Intermediate System (IS-IS)