Black Box LGB6026A, Руководство по управлению

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C
HAPTER
47 | IP Routing Commands
Open Shortest Path First (OSPFv3)
timers spf
This command configures the delay after receiving a topology change and
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 - The minimum time between two consecutive SPF
calculations. (Range: 0-2147483647 seconds)
C
OMMAND
M
ODE
Router Configuration
D
EFAULT
S
ETTING
SPF delay: 5 seconds
SPF holdtime: 10 seconds
C
OMMAND
U
SAGE
◆
Setting the SPF holdtime to 0 means that there is no delay between
consecutive calculations.
◆
Using a low value for the holdtime 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)#
area default-cost
This command specifies a cost for the default summary route sent into a
stub from an Area Border Router (ABR). Use the
no form to remove the
assigned default cost.
S
YNTAX
area area-id default-cost cost
no area area-id default-cost
area-id - Identifies the stub. (The area ID can be in the form of an
IPv4 address or as a four octet unsigned integer ranging from
0-4294967295.)
cost - Cost for the default summary route sent to a stub.
(Range: 0-16777215)