Command Line Interface Guide

OSPF Commands 1299
Command Mode
OSPFv2 Global Configuration mode
User Guidelines
OSPF distributes routing information in Link State Advertisements (LSAs),
which are bundled into Link State Update (LS Update) packets. To reduce
the likelihood of sending a neighbor more packets than it can buffer, OSPF
rate limits the transmission of LS Update packets. By default, OSPF sends up
to 30 updates per second on each interface (1/the pacing interval). Use this
command to adjust the LS Update transmission rate.
timers pacing lsa-group
Use the timers pacing lsa-group command in router OSPF Global
Configuration mode to tune how OSPF groups LSAs for periodic refresh.
Syntax
timers pacing lsa-group seconds
Parameter Description
Default Configuration
The default timer pacing is 60 seconds.
Command Mode
OSPFv2 Global Configuration mode
User Guidelines
OSPF refreshes self-originated LSAs approximately once every 30 minutes.
When OSPF refreshes LSAs, it considers all self-originated LSAs whose age is
from 1800 to 1800 plus the pacing group size. Grouping LSAs for refresh
Parameter Description
seconds Width of the window in which LSAs are refreshed. The range
for the pacing group window is from 10 to 1800 seconds.
2CSPC4.X8100-SWUM100.book Page 1299 Wednesday, August 29, 2012 6:23 PM