User Manual

C HAPTER 49 | IP Routing Commands
Open Shortest Path First (OSPFv3)
– 1522 –
◆ Using a low value for the holdtime allows the router to switch to a new
path faster, but uses more CPU processing time.
EXAMPLE
Console(config-router)#timers spf 20
Console(config-router)#
Route Metrics and Summaries
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.
SYNTAX
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)
COMMAND MODE
Router Configuration
DEFAULT SETTING
Default cost: 1
COMMAND USAGE
◆ If the default cost is set to “0,” the router will not advertise a default
route into the attached stub.
EXAMPLE
Console(config)#router ipv6 ospf tag 1
Console(config-router)#area 1 default-cost 1
Console(config-router)#
RELATED COMMANDS
area stub (1489)