Finally, it worked Omada/ISP router: SLAAC + DHCP Deco: Bridge mode (reboot required). Thanks for you support everyone.

@David-TP yes I tried all options including bridge with no result. Thank you for the response.

Hello, I am unable to configure IPV6 on my deco. I have a omada system sitting in between my isp modem and deco. On omada system (router + switch + Controller), i get ipv6 assigned from ISP. However,...

@Clive_A Thank you for the response. I have figured this out by discussing with my ISP. They support only 56, 64 Prefix Size. So after reconfiguring it, now it works. So, this is no longer an issue.

@Clive_A Are the Ipv6 LAN prefixes other than 0 supported in this release? I see this not working in 2.2.2 Lets say, WAN: If I enable IPV6 in WAN and select Dynamic IP (SLAAC + DHCPV6) via DHCPV6 ->...

@Clive_A Thank you for looking into my request. I understood Omada's intent to override the TTL set by the upstream. However, blindly overriding the TTL value with a higher value can lead to issues...