If this router already has registered neighbors, the new router ID will
◆
be used when the router is rebooted, or manually restarted by entering
the no router ospf followed by the router ospf command.
If the priority values of the routers bidding to be the designated router
◆
or backup designated router for an area are equal, the router with the
highest ID is elected.
E
XAMPLE
Console(config-router)#router-id 10.1.1.1
Console(config-router)#
R
C
ELATED
router ospf (1043)
This command configures the delay after receiving a topology change and
timers spf
starting the shortest path first (SPF) calculation, and the hold time
between making two consecutive SPF calculations. Use the no form to
restore the default values.
S
YNTAX
timers spf spf-delay spf-holdtime
no timers spf
spf-delay - The delay after receiving a topology change notification
and starting the SPF calculation. (Range: 0-2147483647 seconds)
spf-holdtime - Minimum time between two consecutive SPF
calculations. (Range: 0-2147483647 seconds)
C
M
OMMAND
Router Configuration
D
S
EFAULT
SPF delay: 5 seconds
SPF holdtime: 10 seconds
C
U
OMMAND
Setting the SPF holdtime to 0 means that there is no delay between
◆
consecutive calculations.
Using a low value allows the router to switch to a new path faster, but
◆
uses more CPU processing time.
E
XAMPLE
Console(config-router)#timers spf 20
Console(config-router)#
OMMANDS
ODE
ETTING
SAGE
– 1047 –
| IP Routing Commands
C
45
HAPTER
Open Shortest Path First (OSPFv2)