I have the following configuration in my network:
ISP Router <- eth1 -> Mikrotik Router <- eth2-5 -> Internal network
My ISP router receives a /64 IPV6 block that is dynamic, changing whenever I reboot it.
The issue is that the devices in my internal network aren't receiving an IPV6 address, probably because the DHCP server in Mikrotik isn't configured correctly.
I already configured the DHCP client in Mikrotik ( IPV6 -> DHCP client ) and I can see the /64 block that was assigned by my ISP.
But I can't configure the DHCP Server. I tried to assign the pool in "IPV6 -> DHCP Server -> Add new" but my devices still doesn't receive any IPV6 addresses.
Any ideas about what is wrong? I'm using version 6.33.
Note: If i connect a device directly to my ISP router, IPV6 works correctly.
--- Edit ---
After Michael comment I was able to make some progress. I disabled the DHCP Server in Mikrotik and added a new address in "IPV6 -> Addresses" with advertise flag and using the pool that is created by the DHCP client.
All devices in my internal network are receiving IPV6 addresses and can ping each other. Unfortunately I can't ping external hosts.
In Mikrotik I can only ping external hosts only if I check the option "Request address" in /ipv6 dhcp-client. Otherwise ping doesn't work in Mikrotik.
Example: trying to ping ipv6.google.com.
/ping 2800:3f0:4001:801::200e SEQ HOST SIZE TTL TIME STATUS 0 2800:3f0:4001:801::200e timeout 1 2800:3f0:4001:801::200e timeout 2 2800:3f0:4001:801::200e timeout sent=3 received=0 packet-loss=100%
Here is how my route looks like:
/ipv6 route> print Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable # DST-ADDRESS GATEWAY DISTANCE 0 ADS ::/0 fe80::e297:96ff:fe6a:... 1 1 ADC 2001:1284:****:90dd::/64 ether2-master-local 0 2 DSU 2001:1284:****:90dd::/64 1