BGP scan-time

By default, BGP performs an internal check(scans) the next-hop reachability of BGP routes every 15 sec. we can change it using “bgp scan-time”. same command with “import” options can be used to detect changes in vpnc4 routes and hence result in faster convergence in mpls vpn n/w.

R2(config-router)#address-family vpnv4 unicast
R2(config-router-af)#bgp scan-time import ?
<5-60>  Scanner interval (seconds)
R2(config-router-af)#bgp scan-time import 10
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