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Default Setting
-1
Command Mode
Router OSPF Config Mode
8.3.2.37 ip ospf authentication
ip ospf authentication command sets the OSPF Authentication Type and Key for the specified interface.
The value of <type> is either none, simple or encrypt. The <key> is composed of standard displayable,
non-control keystrokes from a Standard 101/102-key keyboard. The authentication key must be 8 bytes
or less if the authentication type is simple. If the type is encrypt, the key may be up to 16 bytes. If the type
is encrypt a <keyid> in the range of 0 and 255 must be specified. Unauthenticated interfaces do not need
an authentication key or authentication key ID. There is no default value for this command.
no ip ospf authentication command sets the default OSPF Authentication Type for the specified
interface.
Syntax
ip ospf authentication {none | {simple <key>} | {encrypt <key> <keyid>}}
no ip ospf authentication
Default Setting
None
Command Mode
Interface Config
8.3.2.38 ip ospf cost
ip ospf cost command configures the cost on an OSPF interface. The <cost> parameter has a range of
1 to 65535. no ip ospf cost command configures the default cost on an OSPF interface.
Syntax
ip ospf cost <1–65535>
no ip ospf cost
Default Setting
10
Command Mode
Interface Config