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ip ospf authentication-key
Enable authentication and set an authentication key on OSPF traffic on an interface.
Syntax
ip ospf authentication-key [encryption-type] key
To delete an authentication key, use the no ip ospf authentication-key command.
Parameters
encryption-type (OPTIONAL) Enter 7 to encrypt the key.
key Enter an eight-character string. Strings longer than eight characters are truncated.
Defaults Not configured.
Command Modes INTERFACE
Supported Modes Full—Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
All neighboring routers in the same network must use the same password to exchange OSPF information.
ip ospf cost
Change the cost associated with the OSPF traffic on an interface.
Syntax
ip ospf cost cost
To return to default value, use the no ip ospf cost command.
Parameters
cost Enter a number as the cost. The range is from 1 to 65535.
Defaults The default cost is based on the reference bandwidth.
Command Modes INTERFACE
Supported Modes Full—Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
If this command is not configured, cost is based on the auto-cost command.
When you configure OSPF over multiple vendors, to ensure that all routers use the same cost, use the ip
ospf cost command. Otherwise, OSPF routes improperly.
Related
Commands
auto-cost — controls how the OSPF interface cost is calculated.
ip ospf dead-interval
Set the time interval since the last hello-packet was received from a router. After the interval elapses, the neighboring routers
declare the router dead.
Syntax
ip ospf dead-interval seconds
Open Shortest Path First (OSPFv2 and OSPFv3) 825