The following list summarizes the BGP configuration defaults.
By default, the router is not assigned to an AS.
A BGP instance is created in the administratively enabled state.
A BGP group is created in the administratively enabled state.
A BGP neighbor is created in the administratively enabled state.
No BGP router ID is specified. If no BGP router ID is specified, BGP uses the router system interface address.
The router BGP timer defaults are generally the values recommended in IETF drafts and RFCs (see BGP MIB notes)
If no import route policy statements are specified, then all BGP routes are accepted.
If no export route policy statements specified, then all best and used BGP routes are advertised and non-BGP routes are not advertised.