Mejores practicas configuraciones Cisco - BGP Consistency Check not enabled

BGP Consistency Check not enabled

Excepción	BGP Consistency Check not enabled
Categoria	BGP;IP routing
Tipo OS	IOS
Riesgo	Medio
Descripción	"A BGP route inconsistency with a peer occurs when an update or withdraw is not sent to a peer, resulting in black-hole routing. BGP Consistency checker will check for inconsistencies in a configurable interval. Once the process identifies such an inconsistency, it will report the inconsistency with a syslog message, and optionally take action if the auto-repair keyword is specified. Three options are available: Next-Hop Label Consistency Check RIB-Out Consistency Check Aggregation Consistency Check Next Hop Label Consistency Check: When two paths have the same next hop because they are advertised by the same provider edge router (PE), they should also have the same next-hop label. If the labels are different, there is an inconsistency. If the auto-repair keyword is specified, the system will send a route-refresh request. RIB-Out Consistency Check: If a network passes an outbound policy and is not sent, or if a network does not pass an outbound policy and is sent, there is an inconsistency. If the auto-repair keyword is specified, the system will send a route-refresh request. Aggregation Consistency Check: f specific routes and the aggregated route become out of sync, an inconsistency can occur. Either the error-message keyword or the auto-repair keyword will trigger aggregation reevaluation."
Acción Correctiva	! bgp consistency-checker {error-message | auto-repair} [interval minutes] ! error-message :System to generate an error message when an inconsistency is observed. auto-repair : System generates a syslog and also takes an action based on the inconsistency found. interval : Range is from 5 to 1440 minutes. Interval defaults to 1440 (One Day)
Advertencia	"This is applicable for IOS 15.1(2)S Cisco IOS XE 3.3S."

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