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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
8.3.2.39 ip ospf dead-interval
ip ospf dead-interval command sets the OSPF dead interval for the specified interface. The value for
<seconds> is a valid positive integer, which represents the length of time in seconds that a router's Hello
packets have not been seen before its neighbor routers declare that the router is down. The value for the
length of time must be the same for all routers attached to a common network. This value should be
some multiple of the Hello Interval (i.e. 4). Valid values range in seconds from 1 to 2147483647. no ip
ospf dead-interval command sets the default OSPF dead interval for the specified interface.
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