Reference Guide
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series.
Version 7.7.1.0 Introduced on the C-Series.
Version 7.6.1.0 Introduced on the E-Series.
Example
show running-config rip
!
router rip
 distribute-list Test1 in
 distribute-list Test21 out
 network 10.0.0.0
 passive-interface GigabitEthernet 2/0
 neighbor 20.20.20.20
 redistribute ospf 999
 version 2
timers basic
Manipulate the RIP timers for routing updates, invalid, holddown times, and flush time.
S4820T
Syntax
timers basic update invalid holddown flush
To return to the default settings, use the no timers basic command.
Parameters
update
Enter the number of seconds to specify the rate at which RIP routing 
updates are sent. The range is from zero (0) to 4294967295. The 
default is 30 seconds.
invalid
Enter the number of seconds to specify the time interval before 
routing updates are declared invalid or expired. The invalid value 
should be at least three times the update timer value. The range is 
from zero (0) to 4294967295. The default is 180 seconds.
holddown
Enter the number of seconds to specify a time interval during which 
the route is marked as unreachable but still sending RIP packets. The 
holddown value should be at least three times the update timer value. 
The range is from zero (0) to 4294967295. The default is 180 seconds.
flush
Enter the number of seconds to specify the time interval during which 
the route is advertised as unreachable. When this interval expires, 
the route is flushed from the routing table. The flush value should be 
greater than the update value. The range is from zero (0) to 
4294967295. The default is 240 seconds.
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