EFA supports the provisioning of IPv6 anycast gateways.
The following commands support anycast gateways.
efa tenant vrf create --name vrf1 --tenant tenant1 --rt-type both --rt 1:1
efa tenant epg create --name ten1epg1 --tenant tenant1 --port 10.24.80.134[0/15] --switchport-mode trunk --ctag-range 1001 --anycast-ip 1001:10.0.1.1/24 --anycast-ipv6 1001:2001:10:0:1::1/64 --vrf vrf1