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ip ospf hello-interval
c e s
Syntax
Parameters
Defaults
Command Modes
Command
History
Usage
Information
Related
Commands
ip ospf message-digest-key
c e s
Syntax
Parameters
Defaults
Command Modes
Command
History
Usage
Information
1024
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Open Shortest Path First (OSPFv2 and OSPFv3)
Specify the time interval between the hello packets sent on the interface.
ip ospf hello-interval seconds
To return to the default value, enter no ip ospf hello-interval.
seconds
Enter a the number of second as the delay between hello packets.
Range: 1 to 65535.
Default: 10 seconds.
10 seconds
INTERFACE
Version 7.6.1.0
Version 7.5.1.0
pre-Version 6.1.1.1
The time interval between hello packets must be the same for routers in a network.
ip ospf dead-interval
Enable OSPF MD5 authentication and send an OSPF message digest key on the interface.
ip ospf message-digest-key keyid md5 key
To delete a key, use the no ip ospf message-digest-key keyid command.
keyid
Enter a number as the key ID.
Range: 1 to 255.
key
Enter a continuous character string as the password.
No MD5 authentication is configured.
INTERFACE
Version 7.6.1.0
Version 7.5.1.0
pre-Version 6.1.1.1
To change to a different key on the interface, enable the new key while the old key is still enabled. The
FTOS will send 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.
Introduced on S-Series
Introduced on C-Series
Introduced on E-Series
Set the time interval before a router is declared dead.
Introduced on S-Series
Introduced on C-Series
Introduced on E-Series
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