Overview
of BGP session flapping detection
The BGP session flapping detection feature enables to detect flapping (intermittent) BGP sessions due to BGP
protocol endpoint flapping. This feature is similar to the interface
unstable analysis feature that is implemented by
VMware Smart Assurance
IP Availability Manager
,
except that the BGP session flapping detection feature is based on
SNMP bgpEstablished traps, not linkDown or linkUp traps. monitors a BGP protocol endpoint’s state through the bgpEstablished
traps that it receives. It uses a combination of fixed and user-controlled
values to determine when to set the IsFlapping attribute of the BGP
protocol endpoint.
When sets the IsFlapping attribute
of a BGP protocol endpoint, it also sets the IsFlapping attribute
of the associated BGP session and generates a Flapping event for the
BGP session.