Yes, this is made possible with a new feature in 22.2, ELRP with dynamic vlans.
Starting with ExtremeXOS 22.2, ELRP supports dynamically created VLANs created by:
If EXOS < 22.2 then this is not possible and you cannot use ELRP on netlogin ports.
• Extreme Network Virtualization (XNV)
• Multiple Registration Protocol (MVRP)