redistributing internal bgp (ibgp) in eigrp
1)under "router bgp" the following is needed
"bgp redistribute-internal"
2)under "router eigrp" the following is needed
"default-metric <value> <value> <value> <value> <value> <value> "
"redistribute bgp <AS> route-map <route-map>"
(eBGP routes don't need the redistribute-internal command)
eigrp into bgp
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/213952-configure-bgp-to-advertise-a-default-rou.html
default-route:
network 0.0.0.0/0 or default-information originate
(note: default-originate is different. This one creates a default-route in the BGP RIB even when there's no default in EIGRP)