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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
timers throttle spf (OSPF)
timers throttle spf (OSPF)
To set the shortest-path first (SPF) best-path schedule initial delay time and the minimum hold between
SPF best-path calculation for Open Shortest Path First (OSPF), use the timers throttle spf command.
To turn off SPF throttling, use the no form of this command.
timers throttle spf spf-start spf-hold spf-max-wait
no timers throttle spf spf-start spf-hold spf-max-wait
Syntax Description
Command Default SPF throttling is not set.
Command Modes Router configuration mode
VRF configuration mode
Command History
Usage Guidelines The first wait interval between SPF calculations is the amount of time in milliseconds specified by the
spf-start argument. Each consecutive wait interval is two times the current hold level in milliseconds
until the wait time reaches the maximum time in milliseconds as specified by the spf-maximum
argument. Subsequent wait times remain at the maximum until the values are reset or an LSA is received
between SPF calculations.
This command requires the LAN Enterprise Services license.
Examples This example shows how to configure a router configured with the start, hold, and maximum interval
values for the timers throttle spf command set at 5, 1,000, and 90,000 milliseconds:
switch# configure terminal
switch(config)# router ospf 1
switch(config-router)# timers throttle spf 5 1000 90000
switch(config-router)#
spf-start Initial SPF schedule delay in milliseconds. The range is from 1 to 600,000
milliseconds.
spf-hold Minimum hold time between two consecutive SPF calculations. The range
is from 1 to 600,000 milliseconds.
spf-max-wait Maximum wait time between two consecutive SPF calculations. The range
is from 1 to 600,000 milliseconds.
Release Modification
5.0(3)A1(1) This command was introduced.
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