3Com 3031 Command Reference Manual page 591

ospf timer poll
ospf timer retransmit
By default, the interval is 10 seconds for an interface of p2p or broadcast type to
transmit Hello messages, and 30 seconds for an interface of nbma or p2mp type.
For the related command, see ospf timer dead.
Example
Configure the interval of transmitting Hello packets on the interface serial1/0/0 to
20 seconds.
[3Com] interface serial1/0/0
[3Com-serial1/0/0] ospf timer hello 20
Syntax
ospf timer poll seconds
undo ospf timer poll
View
Interface view
Parameter
seconds: Specifies the poll Hello messages interval, ranging from 1 to 65535
and measured in seconds. By default, the value is 120 seconds.
Description
Using the ospf timer poll command, you can configure the poll Hello message
interval on nbma and p2mp network. Using the undo ospf timer poll command,
you can restore the default value.
On the nbma and p2mp network, if a neighbor is invalid, the Hello message will
be transmitted regularly according to the poll seconds. You can configure the poll
seconds to specify how often the interface transmits Hello message before it
establishes adjacency with the adjacent router. The value of poll seconds should be
no less than 3 times of that of Hello seconds.
Example
Configure to transmit poll Hello message from interface serial2/0/0 every 130
seconds.
[3Com-serial2/0/0] ospf timer poll 130
Syntax
ospf timer retransmit interval
undo ospf timer retransmit
View
Interface view
Parameter
interval: Interval in seconds for re-transmitting LSA on an interface. It ranges
from 1 to 65535.The default value is 5 seconds.
OSPF Configuration Commands 591