Cisco Cisco IOS Software Release 12.3(11)YS
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PPP Random Reconnect Timer
When a PPP link comes up, the devices at the endpoints of the link must negotiate link control protocol
(LCP). An LCP delay timer can be configured that allows the peer device a certain amount of time to
send the first packet. Before Cisco IOS Release 12.3(11)YS, no mechanism was available to prevent
synchronous setup requests from multiple peers. In large scale environments such as broadband
aggregation, a failure at the access server or aggregation server can result in many remote routers
attempting to reconnect simultaneously, overloading the device. The PPP Random Reconnect Timer
feature introduces the ability to randomize the duration of the LCP delay timer, preventing synchronous
setup requests from overloading the access server or aggregation server.
(LCP). An LCP delay timer can be configured that allows the peer device a certain amount of time to
send the first packet. Before Cisco IOS Release 12.3(11)YS, no mechanism was available to prevent
synchronous setup requests from multiple peers. In large scale environments such as broadband
aggregation, a failure at the access server or aggregation server can result in many remote routers
attempting to reconnect simultaneously, overloading the device. The PPP Random Reconnect Timer
feature introduces the ability to randomize the duration of the LCP delay timer, preventing synchronous
setup requests from overloading the access server or aggregation server.
History for the PPP Random Reconnect Timer Feature
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Release
Modification
12.3(11)YS
This feature was introduced.