Anycast IP gets automatically configured on the border-leaf (BL1 and BL2) on which the VRF is instantiated.
efa tenant epg create --name ten1epg1 --tenant tenant1
--port L1-IP[0/11],L2-IP[0/11]
--switchport-mode trunk –ctag-range 11 --vrf VRF1 --anycast-ip 11:10.10.11.1/24