What is my IPv6 prefix delegation?

IPv6 Addressing

In an IPv6 network, the SD-WAN device periodically multicast router advertisement (RA) messages to announce its availability and broadcast information to neighboring devices on the SD-WAN network. The router advertisements include IPv6 prefix information. The Neighbor Discovery Protocol (NDP) running on SD-WAN devices uses these router advertisements to determine neighbor devices on the same link. It also determines each other’s link-layer addresses, looks for neighbors, and maintains reachability information about routes to active neighbors.

What is prefix delegation?

DHCPv6 prefix delegation provides an automated method for a DHCPv6 client to request an IPv6 prefix from a DHCPv6 server. The DHCPv6 server assigns a prefix to the DHCPv6 client. The DHCPv6 client can use the delegated prefix to configure IPv6 addresses on other connected networks.

What is the prefix length in an IPv6 address give an example of its representation?

The size of the prefix is expressed in CIDR notation (classless inter-domain routing). The CIDR notation consists of a forward slash at the end of the address, followed by the prefix size in bits. … 2001:db8::/32 is a special IPv6 prefix used specifically in documentation examples.

What is DHCPv6?

The DHCPv6 client ID consists of two parts: a DHCP Unique Identifier (DUID) and an Association Identity Identifier (IAID). The DUID identifies the client system (not just an interface, as in DHCPv4), and the IAID identifies the interface on that system.

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Remember that the prefix, or network portion, of an IPv4 address can be identified by a dotted decimal subnet mask or by the prefix length (slash notation). For example, the IPv4 address 192.168.1.10 with the dotted decimal subnet mask 255.255.255.0 is equivalent to 192.168.1.10/24.

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IPv6 uses the prefix length to represent the prefix portion of the address. IPv6 does not use the dotted decimal subnet mask notation. The prefix length is used to indicate the network portion of an IPv6 address using the IPv6 address/prefix length format.

The prefix length can range from 0 to 128. A typical IPv6 prefix length for LANs and most other types of networks is /64. This means that the prefix or network portion of the address is 64 bits long, which leaves another 64 bits for the interface ID (host portion) of the address.

How to know the IPv6 subnet prefix length?

The prefix length can range from 0 to 128. A typical IPv6 prefix length for LANs and most other types of networks is /64. This means that the prefix or network portion of the address is 64 bits long, which leaves another 64 bits for the interface ID (host portion) of the address.

What protects against prefix bullets?

The word bulletproof has the meaning “that protects against bullets” and comes from the Greek prefix anti- (against) on the word “bullet” from the French balle . See: anti-virus and also bullet.

What is my subnet prefix length?

Specifically, the prefix length is the number of bits set to 1 in the subnet mask. It is written using “forward slash notation”, i.e., a “/” followed by the number of bits set to 1. Therefore, count the number of bits in the subnet mask and prefix it with a forward slash.

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What are the exact differences between “routed prefix” and “link prefix” for IPv6? How do these differences play out in a Wirehark-Trace (if you look at a Host with a “routed prefix” assigned or a Host with a “link prefix” assigned)? How do these differences play out in the Neighbor Discovery Protocol? (from the point of view of another external host) Do these two types of prefixes work together?

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An ISP has been assigned a prefix from an RIR (Regional Internet Registry) which in this example we will assume to be 2001:db8::/32. This prefix is different from those that are transmitted to customers in the sense that the ISP will have to advertise it via BGP to other ISPs with which it is linked.

The ISP is now going to assign prefixes to a client. First, 2001:db8:0:0:1::/64 are assigned to the link connecting the ISP router to the CPE router (customer equipment). This is a link prefix because it is assigned to a link. As a general recommendation, all link prefixes in IPv6 should be /64.

What is the length of an IPv6?

In Internet Protocol version 6 (IPv6), addresses are 128 bits long.

How to know the length of the subnet prefix?

In the “Subnet prefix length” field, enter the length of the subnet mask (not the subnet mask) for the network. For example, if your network uses a subnet mask of 255.255.255.0 , then you must enter 24.

What is IPv6 and what is it for?

IPv6 is version 6 of the Internet Protocol, i.e., it is the sixth version of the protocol that makes it possible to connect devices on the Internet, identifying them with a unique address.

Valid ipv6 address

Hostias compi @diamuxin, what a disappointment. Curioseando con IPv6 a raíz de tu comentario, me da cuenta que ni Pepephone (masmóvil) ni O2 (telefónica) están entregando ahora mismo mismo entregado IPv6 en su WAN.

The issue of the nightly speed drop in Digi, may come from the saturation of users in the OLT, especially when it is indirect fiber (shares network with Movistar). It has nothing to do with IPv6 configuration or not.

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The issue of the nightly speed drop in Digi may be due to the saturation of users in the OLT, especially when it is indirect fiber (shares network with Movistar). It has nothing to do with IPv6 configuration or not.

I tried it and it works, although for some reason they write the code with option> and the > has to be removed if it doesn’t give me error, luckily in terminal the mikrotik marks in red what is wrong with the command.

Now my doubt is if that is going to be static, that is to say if that address is not going to change it in a reboot? I have set that 192.168.1.10 which is the ipv4 of the pi-hole is static, but of course not the fe80::6e6c:45c7:50cd:acc0, I don’t even know if this concept makes sense…