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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
ip ospf hello-interval
ip ospf hello-interval
To specify the interval between hello packets that Open Shortest Path First (OSPF) sends on the
interface, use the
ip ospf hello-interval
command. To return to the default, use the
no
form of this
command.
ip ospf hello-interval
seconds
no ip ospf hello-interval
Syntax Description
Command Default
10 seconds
Command Modes
Interface configuration mode
Command History
Usage Guidelines
Shorter hello intervals allow OSPF to detect topological changes faster. This value must be the same for
all routers and access servers on a specific network.
This command requires the LAN Base Services license.
Examples
This example shows how to set the interval between hello packets to 15 seconds:
switch#
configure terminal
switch(config)#
interface ethernet 1/2
switch(config-if)#
no switchport
switch(config-if)#
ip ospf hello-interval 15
switch(config-if)#
Related Commands
seconds
Interval (in seconds). The value must be the same for all nodes on a
specific network. The range is from 1 to 65535.
Release
Modification
5.0(3)A1(1)
This command was introduced.
Command
Description
copy running-config
startup-config
Saves the configuration changes to the startup configuration file.
ip ospf dead-interval
Sets the time period for which hello packets must not have been seen before
neighbors declare the router as down.
show ip ospf
Displays OSPF information.
