Reference Guide

Open Shortest Path First (OSPFv2) | 1097
Usage
Information
By default, the dead interval is four times the default hello-interval.
Related
Commands
ip ospf hello-interval
c e s
Specify the time interval between the hello packets sent on the interface.
Syntax
ip ospf hello-interval seconds
To return to the default value, enter no ip ospf hello-interval.
Parameters
Defaults
10 seconds
Command Modes
INTERFACE
Command
History
Usage
Information
The time interval between hello packets must be the same for routers in a network.
Related
Commands
ip ospf message-digest-key
c e s
Enable OSPF MD5 authentication and send an OSPF message digest key on the
interface.
Syntax
ip ospf message-digest-key keyid md5 key
To delete a key, use the no ip ospf message-digest-key keyid command.
Parameters
ip ospf hello-interval Set the time interval between hello packets.
seconds
Enter a the number of second as the delay between hello packets.
Range: 1 to 65535.
Default: 10 seconds.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.1.1.1 Introduced on E-Series
ip ospf dead-interval Set the time interval before a router is declared dead.
keyid
Enter a number as the key ID.
Range: 1 to 255.
key
Enter a continuous character string as the password.