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Implementing OSPF on Cisco IOS XR Software
How to Implement OSPF on Cisco IOS XR Software
RC-159
Cisco IOS XR Routing Configuration Guide
DETAILED STEPS
Command or Action Purpose
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
router ospf
process-name
or
router ospfv3
process-name
Example:
RP/0/RP0/CPU0:router(config)# router ospf 1
or
RP/0/RP0/CPU0:router(config)# router ospfv3 1
Enables OSPF routing for the specified routing process, and
places the router in router configuration mode.
or
Enables OSPFv3 routing for the specified routing process,
and places the router in router ospfv3 configuration mode.
Note The process-name argument is any alphanumeric
string no longer than 40 characters.
Step 3
router-id {
ipv4-address
|
interface-type
interface-instance
}
Example:
RP/0/RP0/CPU0:router(config-ospf)# router-id
192.168.4.3
Configures a router ID for the OSPF process.
Note We recommend using a stable IP address as the
router ID.
Step 4
Perform Step 5 or Step 6 or both to control the
frequency that the same LSA is originated or accepted.
—
Step 5
timers lsa gen-interval
seconds
Example:
RP/0/RP0/CPU0:router(config-ospf)# timers lsa
gen-interval 10
Changes the minimum interval between the same OSPF
LSAs that the router originates.
• The default is 5 seconds for both OSPF and OSPFv3.
Step 6
timers lsa min-arrival
seconds
Example:
RP/0/RP0/CPU0:router(config-ospf)# timers lsa
min-arrival 2
Limits the frequency that new processes of any particular
OSPF Version 2 LSA can be accepted during flooding.
• The default is 1 second.