When enabled, the router relearns routes from the specified neighbor or group of neighbors without resetting the connection when the policy changes in the inbound direction.
default neighbor WORD<0-1536> soft-reconfiguration-in enable
neighbor WORD<0-1536> soft-reconfiguration-in enable
no neighbor WORD<0-1536> soft-reconfiguration-in enable
The default value is disable.
BGP Router Configuration