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In the examples below, Convergence Level shows the fast-converge parameter setting and Min LSA
origination shows the LSA parameters (shown in bold).
Dell(conf-router_ospf-1)#fast-converge 2
Dell(conf-router_ospf-1)#ex
Dell(conf)#ex
Dell#show ip ospf 1
Routing Process ospf 1 with ID 192.168.67.2
Supports only single TOS (TOS0) routes
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Convergence Level 2
Min LSA origination 0 secs, Min LSA arrival 0 secs
Number of area in this router is 0, normal 0 stub 0 nssa 0
Dell#
Dell#(conf-router_ospf-1)#no fast-converge
Dell#(conf-router_ospf-1)#ex
Dell#(conf)#ex
Dell##show ip ospf 1
Routing Process ospf 1 with ID 192.168.67.2
Supports only single TOS (TOS0) routes
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Convergence Level 0
Min LSA origination 0 msec, Min LSA arrival 1000 msec
Number of area in this router is 0, normal 0 stub 0 nssa 0
Dell#
Changing OSPFv2 Parameters on Interfaces
In the Dell Networking OS, you can modify the OSPF settings on the interfaces.
Some interface parameter values must be consistent across all interfaces to avoid routing errors. For
example, set the same time interval for the hello packets on all routers in the OSPF network to prevent
misconfiguration of OSPF neighbors.
To change OSPFv2 parameters on the interfaces, use any or all of the following commands.
• Change the cost associated with OSPF traffic on the interface.
CONFIG-INTERFACE mode
ip ospf cost
– cost: The range is from 1 to 65535 (the default depends on the interface speed).
• Change the time interval the router waits before declaring a neighbor dead.
CONFIG-INTERFACE mode
ip ospf dead-interval seconds
– seconds: the range is from 1 to 65535 (the default is 40 seconds).
The dead interval must be four times the hello interval.
The dead interval must be the same on all routers in the OSPF network.
• Change the time interval between hello-packet transmission.
CONFIG-INTERFACE mode
ip ospf hello-interval seconds
Open Shortest Path First (OSPFv2 and OSPFv3)
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