ip ospf dead-interval
27-10 IPv4 Advanced Routing Protocol Configuration
Example
This example shows how to set the hello interval to 5 for the VLAN 1 interface:
C3(su)->router(Config)#interface vlan 1
C3(su)->router(Config-if(Vlan 1))#ip ospf hello-interval 5
ip ospf dead-interval
Use this command to set the number of seconds a router must wait to receive a hello packet from
its neighbor before determining that the neighbor is out of service. The no form of this command
sets the dead interval value to the default value of 40 seconds.
Syntax
ip ospf dead-interval seconds
no ip ospf dead-interval
Parameters
Defaults
None.
Mode
Interface configuration: C3(su)->router(Config-if(Vlan 1))#
Example
This example shows how to set the dead interval to 20 for the VLAN 1 interface:
C3(su)->router(Config)#interface vlan 1
C3(su)->router(Config-if(Vlan 1))#ip ospf dead-interval 20
ip ospf authentication-key
Use this command to assign a password to be used by neighboring routers using OSPF’s simple
password authentication.The no form of this command removes an OSPF authentication
password on an interface.
Syntax
ip ospf authentication-key password
no ip ospf authentication-key
Parameters
seconds Specifies the number of seconds that a router must wait to receive a hello
packet before declaring the neighbor as “dead” and removing it from the
OSPF neighbor list. Dead interval must be the same on neighboring routers
(on a specific subnet), but can vary between subnets. This parameter is an
unsigned integer ranging from 1 to 65535. Default value is 40 seconds.
password Specifies an OSPF authentication password. Valid values are alphanumeric
strings up to 8 characters in length.
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