When enabled, specifies that the next-hop attribute in an IBGP update is the address of the local router or the router that is generating the IBGP update. You can only configure the next-hop parameter if the neighbor is disabled.
default neighbor WORD<0-1536> next-hop-self
neighbor WORD<0-1536> next-hop-self
no neighbor WORD<0-1536> next-hop-self
The default value is disable.
BGP Router Configuration