Command Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 3 OSPF Configuration Commands
3-50
3.1.46 ospf timer hello
Syntax
ospf timer hello seconds
undo ospf timer hello
View
Interface view
Parameters
seconds: Hello interval in seconds, in the range 1 to 65535.
Description
Use the ospf timer hello command to set the hello interval on an interface.
Use the undo ospf timer hello command to restore the default hello interval on an
interface.
The hello interval defaults to 10s for P2P and Broadcast interfaces, and defaults to 30s
for P2MP and NBMA interfaces.
The shorter the hello interval is, the faster the topology converges and the more
resources are consumed. Make sure the hello interval on two neighboring interfaces is
the same.
This configuration is not supported on the NULL interface.
Related commands: ospf timer dead.
Examples
# Configure the hello interval on the current interface as 20 seconds.
<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] ospf timer hello 20
3.1.47 ospf timer poll
Syntax
ospf timer poll seconds
undo ospf timer poll
View
Interface view
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