C613-50631-01 Rev A Command Reference for IE340 Series 1294
AlliedWare Plus™ Operating System - Version 5.5.3-0.x
OSPFV3 FOR IPV6 COMMANDS
TIMERS
SPF EXP (IPV6 OSPF)
timers spf exp (IPv6 OSPF)
Overview Use this command to adjust route calculation timers using exponential back-off
delays.
Use no form of this command to return to the default exponential back-off timer
values.
Syntax
timers spf exp <min-holdtime> <max-holdtime>
no timers spf exp <min-holdtime> <max-holdtime>
Mode Router Configuration
Usage notes This command configures the minimum and maximum delay time between the
receipt of a topology change and the calculation of the Shortest Path First (SPF).
The time between SPF runs increases if a topology change occurs (and triggers a
new SPF run) before the last SPF holdtimer has finished. The time between runs
may increase up to the max-holdtime value.This increase in holdtime prevents too
many SPF runs from occurring if multiple OSPF topology change events occur.
Examples To set the minimum delay time to 5 milliseconds and maximum delay time to 2
seconds, use the commands:
awplus# configure terminal
awplus(config)# router ipv6 ospf 100
awplus(config-router)# timers spf exp 5 2000
Related
commands
show ipv6 ospf
Parameter Description
<min-holdtime> Specifies the minimum delay between receiving a change to the
SPF calculation in milliseconds. The range is 0-2147483647. The
default SPF min-holdtime value is 50 milliseconds.
<max-holdtime> Specifies the maximum delay between receiving a change to the
SPF calculation in milliseconds. The range is 0-2147483647. The
default SPF max-holdtime value is 50 seconds.
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