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IPv6
IP Version 6
| Question | Answer |
|---|---|
| What is zero compression? | When you have consecutive fields of zeros, they can be expressed with two colons. Can only do this once. |
| What is leading zero compression? | Leading zeros in any block can be dropped, but only if one number is remaining. |
| How can this be written: 1234:0000:1234:0000:1234:0000:0123:1234 ? | 1234:0:1234:0:1234:0:123:1234 |
| What is a Global Unicast Address? | Are similar to IPv4 public address and are fully routable and can be used for internet access. |
| What is IPv6 loopback address? | 0000:0000:0000:0000:0000:0000:0000:0001 or 0:0:0:0:0:0:0:1 or ::1 |
| How do you know what a private IPv6 address will look like? | Any address that starts: 1111:1110:1 |
| Convert the following IP: ::D190:4E71 | D1=209 90=144 4E=78 71=113 209.144.78.113 |
| What does an IPv6 multicast IP look like? | Any address that begins with: 1111:1111 or FF in hex. FF00::/8 |
| What are the 2 types of autoconfiguration? | Stateless and stateful. |
| What is stateful autoconfiguration? | It is used when the host obtains an IPv6 address and other info from a server. It is DHCPv6 |
| What is stateless autoconfiguration? | A local host is able to create its own link-local address. |
| How do you enable IPv6 routing capabilities on a router? | From global configuration mode: ipv6 unicast-routing |