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Routing Commands
303
ProSafe Managed Switch
no timers pacing flood
To revert LSA transmit pacing to the default rate, use the no timers pacing flood command.
Format
no timers pacing flood
Mode
timers pacing lsa-group
To adjust how OSPF groups LSAs for periodic refresh, use this command in OSPFv2 Router
Configuration mode. 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 allows OSPF to
combine refreshed LSAs into a minimal number of LS Update packets. Minimizing the
number of Update packets makes LSA distribution more efficient. When OSPF originates a
new or changed LSA, it selects a random refresh delay for the LSA. When the refresh delay
expires, OSPF refreshes the LSA. By selecting a random refresh delay, OSPF avoids
refreshing a large number of LSAs at one time, even if a large number of LSAs are originated
at one time.
Default
Format
timers pacing lsa-group seconds
Mode
timers spf
Use this command to configure the SPF delay time and hold time. The valid range for both
parameters is 0-65535 seconds.
Format
timers pacing flood milliseconds
Mode
OSPFv2 Router Configuration
Parameter Description
milliseconds The average time between transmission of LS Update packets. The range is from 5 ms to 100
ms. The default is 33 ms.
OSPFv2 Router Configuration
60 seconds
OSPFv2 Router Configuration
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.
Default
• delay-time—5
• hold-time—10