Next question is – how to block IPv6 traffic? Usually, IPv4 traffic is blocked when customer’s IP address is put to the address list and traffic is redirected. Below is a screenshot of such sessionsĪnother option how to check IPv6 prefixes that were assigned to CPE devices – check the DHCPv6 server leases in Mikrotik.īelow is an example of DHCPv6 active leases Radius based simple queues are applied to the pppoe tunnel and there is no additional queue needed for IPv6 traffic. The IPv6 appears in online session of customers and is stored to the logs and statistics. Regarding Splynx configuration – the Internet service of customer should be configured with empty IPv6 and Delegated IPv6 fields. Lack of this feature is not that crucial, because PPPoE works well on local link addresses, but we think that it should be also available on Mikrotik Radius implementation. Unfortunately, there is no way to assign public IPv6 to WAN PPPoE interface of the customer via Radius server. In case, when IPv6 prefix is delegated by the IP pool inside Mikrotik PPPoE settings, then attribute Delegated-IPv6-Prefix is sent back to Radius in Accounting packets, informing that customer got certain IPv6 delegated pool. That’s why it’s needed to define the pool in IPv6 pool and then, when the customer is online, Splynx grabs used IPv6 network from Radius accounting packets and stores information in own database.īelow is a link to petition that asks Mikrotik to support Delegated-IPv6-Prefix correctly.Ĭurrently, the attribute can be sent from Radius to Mikrotik PPPoE server in the Access accept message, but it is ignored by the router. At the moment (version 6.46 of Mikrotik), Radius server is not able to assign Delegated-IPv6 network to the PPPoE customer. Customers should receive IPv6 delegated prefixes from this pool. It is an IPv6 network that we use on PPPoE server. Please note, that IPv6 pool should be selected and this is important. Below is the screenshot of PPPoE server configuration on RouterOS. When the router is upgraded, we can work on PPPoE server configuration.Īs the first step, Mikrotik PPPoE server with Radius authentication should be created. The first tests were started with ROUTER OS Version 6.42.6, however, unfortunately, version prior to 6.43 doesn’t support Radius Delegated IPv6 attribute at all, in 6.43 it doesn’t support DHCPv6 accounting, so please upgrade at least to 6.46.1 or later RouterOS version. The configuration of IPv6 in general is described in article – and IPv6 Home routers configuration you can find here – In this topic, it is described how to configure Mikrotik router to act as PPPoE server with IPv6 enabled.
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