398 | Open Shortest Path First (OSPFv2)
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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
Defaults
Not configured.
Command Modes
INTERFACE
Command
History
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
Defaults
The default cost is based on the reference bandwidth.
Command Modes
INTERFACE
Command
History
Usage
Information
If this command is not configured, cost is based on the auto-cost command.
When you configure OSPF over multiple vendors, use the ip ospf cost command to ensure that all
routers use the same cost. Otherwise, OSPF routes improperly.
Related
Commands
encryption-type
(OPTIONAL) Enter 7 to encrypt the key.
key
Enter an 8 character string. Strings longer than 8 characters are truncated.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
cost
Enter a number as the cost.
Range: 1 to 65535.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
auto-cost Controls how the OSPF interface cost is calculated.