Owner's Manual

OSPF Commands 237
User Guidelines
There are no user guidelines for this command.
Example
The following example defines an OSPF virtual link on neighbor with the address 1.1.1.1.
hello-interval
The hello-interval ospf virtual link interface configuration command specifies the interval
between hello packets that the software sends on the OSPF virtual link interface. To return to the
default time, use the
no form of this command.
Syntax
hello-interval seconds
no hello-interval
• seconds — Specifies the interval (in seconds). The value must be the same for all nodes on
a specific network. (Range: 1 - 65535)
Default Configuration
The default value is 10 seconds.
Command Mode
OSPF virtual link configuration
User Guidelines
This value is advertised in the hello packets. The smaller the hello interval, the faster
topological changes are detected, but causes more routing traffic. This value must be the
same for all routers and access servers on a specific network.
Example
The following example specifies the interval between hello packets that the software sends on the
OSPF virtual link interface as 100.
Console (config)# router ospf area 1.1.1.1 virtual-link 1.1.1.1
Console (config)# router ospf area 1.1.1.1
virtual-link 1.1.1.1
Console# (config-vlink)# hello-interval 100