Service Manual

ip ospf hello-interval
Specify the time interval between the hello packets sent on the interface.
Syntax
ip ospf hello-interval seconds
To return to the default value, use the no ip ospf hello-interval command.
Parameters
seconds Enter the number of seconds for the interval. The range is from 1 to 65535. The default is
10 seconds.
Defaults 10 seconds
Command Modes INTERFACE
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 The time interval between the hello packets must be the same for routers in a network.
Related Commands ip ospf dead-interval — sets the time interval before a router is declared dead.
ip ospf message-digest-key
Enable OSPF MD5 authentication and send an OSPF message digest key on the interface.
Syntax
ip ospf message-digest-key keyid md5key
To delete a key, use the no ip ospf message-digest-key keyid command.
Parameters
keyid Enter a number as the key ID. The range is from 1 to 255.
key Enter a continuous character string as the password.
Defaults No MD5 authentication is configured.
Command Modes INTERFACE
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
You can configure a maximum of six digest keys on an interface. Of the available six digest keys, the switches
select the MD5 key that is common. The remaining MD5 keys are unused.
To change to a different key on the interface, enable the new key while the old key is still enabled. The system
sends two packets: the first packet authenticated with the old key and the second packet authenticated with the
new key. This process ensures that the neighbors learn the new key and communication is not disrupted by
keeping the old key enabled.
874 Open Shortest Path First (OSPFv2 and OSPFv3)