Hello! I want to buy a router model DWR-921 LTE, I need to know someone who uses this router if the connection ipv6 and ipv4 are simultaneous or need to choose between ipv4 and ipv6. I need ipv4 and ipv6 to coexist. Someone?
https://http2.mlstatic.com/roteador-d-link-dwr-921-4g-lte-D_NQ_NP_809904-MLB32687827343_102019-F.webp