QUIC broadband DHCPv6-PD on Mikrotik PPPoE connection

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tmac4096

3 posts

Wannabe Geek
+1 received by user: 2

#306894 1-Sep-2023 17:45

Hi,

I'm a recent QUIC Broadband customer, and I really like the service. I am currently having an issue getting an IPv6 prefix from the QUIC DHCPv6-PD server though, so I thought I asked geekzone for some help.

I use a Mikrotik RB760iGS router running RouterOS 7.10.2, and have a working PPPoE connection that grabs an IPv4 address fine. But I can't get the DHCPv6 client to grab an IPv6 prefix from the DHCP-v6 QUIC servers.

This are my current settings:

/ipv6 dhcp-client
add add-default-route=no dhcp-options="" dhcp-options="" disabled=no interface=pppoe-out1 pool-name=ppp-test pool-prefix-length=56 prefix-hint=::/0 rapid-commit=no request=prefix use-peer-dns=yes

This command only requests a prefix (no address nor info) and I've also tried it with all the various other options turned on or off systematically trying all combinations, yet I can't get it to work. The QUIC setup instructions don't really give much help other than saying "If you’re wanting to use IPv6, a /56 prefix is delivered to you by DHCPv6-PD."

Have any other Mikrotik QUIC Broadband users done this already? If so, do you have any tips? Is there anything else that I'm missing?

Thanks

Terry

mentalinc

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#3122754 1-Sep-2023 19:08

@michaelmurfy

I do recall reading something in the long thread about it taking a few days if you want to do a quic search in there.

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nzkc

1634 posts

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#3122795 1-Sep-2023 22:44

I dont know if it will help, however, here are my settings for IPv6 with 2degrees. Obviously there are some obvious differences you can ignore (vlan10 vs pppoe), however there are a couple of small differences that might help you...

Make sure IPv6 is enabled on the router:

/ipv6 settings
set accept-router-advertisements=yes

Request the prefix (you have this but mine has some subtle differences)

/ipv6 dhcp-client
add add-default-route=yes interface=vlan10 pool-name=2degrees \
pool-prefix-length=56 request=address,prefix

And to assign an IP address to the router (bridge):

/ipv6 address
add address=::1 from-pool=2degrees interface=bridge

michaelmurfy

meow
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#3122812 2-Sep-2023 01:13

Afraid I use a Fortigate these days and have IPv6 enabled no worries on my Quic connection.

I did have IPv6 running on my Mikrotik too without too many problems. I might pull out my Mikrotik and take a look at my configuration but the one @nzkc posted seems correct.

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fe31nz

1294 posts

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#3122813 2-Sep-2023 01:16

I have seen some strange DHCPv6 servers where they only work if you request rapid commit - so it is worth trying setting that option.

Yesod

4 posts

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+1 received by user: 7

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#3122819 2-Sep-2023 05:36

It seems to be working for me on a Mikrotik. This is my config, which assigns a /64 to each of my vlans from the /56 provided by Quic. Interface is the one you defined for your pppoe.

/ipv6 dhcp-client add add-default-route=yes interface=quic pool-name=quicv6_pool prefix-hint=::/64 request=prefix

/ipv6 address

add from-pool=quicv6_pool interface=VLAN_HOME

add from-pool=quicv6_pool interface=VLAN_IOT

add from-pool=quicv6_pool interface=VLAN_GUEST

tmac4096

3 posts

Wannabe Geek
+1 received by user: 2

#3123125 2-Sep-2023 21:08

Thanks everyone. I'll give your suggestions a try later tonight. Very helpful indeed!

Terry

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tmac4096

3 posts

Wannabe Geek
+1 received by user: 2

#3123130 2-Sep-2023 21:29

It worked! The secret was both accepting the router advertisements (thanks @nzkc):

/ipv6 settings
set accept-router-advertisements=yes

and adding the ipv6 address to each VLAN (thanks @Yesod):

/ipv6 address
add from-pool=quic-ipv6-pool interface=vlan93

I also had to set the DHCPv6 client to only get the prefix (not get the address as well) and then it all worked!

/ipv6 dhcp-client
add add-default-route=yes interface=pppoe-out1 pool-name=quic-ipv6-pool pool-prefix-length=56 rapid-commit=no request=prefix use-peer-dns=yes

Thanks everyone.