If your company is gearing up for IPv6, this in-depth ebook offers the sensible info and tips you want to plan for, layout, and enforce this enormously more advantageous protocol. writer Silvia Hagen takes approach and community directors, engineers, and community designers in the course of the technical information of IPv6 positive factors and features, and gives innovations in the event you have to combine IPv6 with their present IPv4 infrastructure.
The flood of Internet-enabled units has made migrating to IPv6 a paramount obstacle around the globe. during this up-to-date version, Hagen distills greater than ten years of learning, operating with, and consulting with businesses on IPv6. It’s the single e-book of its kind.
IPv6 necessities covers:
- Address structure, header constitution, and the ICMPv6 message format
- IPv6 mechanisms comparable to Neighbor Discovery, Stateless tackle autoconfiguration, and copy tackle detection
- Network-related points and providers: Layer 2 help, higher Layer Protocols, and Checksums
- IPv6 safety: normal practices, IPSec fundamentals, IPv6 protection parts, and firm safety models
- Transitioning to IPv6: dual-stack operation, tunneling, and translation techniques
- Mobile IPv6: know-how for a brand new iteration of cellular services
- Planning innovations, integration situations, tackle plan, most sensible practices, and dos and don’ts
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Extra info for IPv6 Essentials
More recent implementations could switch this. Use nslookup in debug mode to get additional info. determine 9-3 indicates the output of nslookup on Marvin. 163 Figure 9-3. Output of nslookup We first used nslookup in interactive mode with the default recommendations. nslookup defaults to question kind A. taking a look up arthur. universe. com with the default gave us the IPv4 deal with of arthur (192. 168. zero. 66). subsequent, we replaced the question kind to AAAA. the answer gave us the IPv6 deal with of arthur plus additional info approximately our identify server Ford: IPv4 deal with, AAAA kind IPv6 deal with, and A6 style access. simply because this model of nslookup didn't aid A6 variety files, the reply used to be proven as "unknown sort 38. " Being curious via nature, I traced the total conversation with Sniffer. determine 9-4 indicates how an identical question seems within the hint dossier. determine 9-4. DNS look up within the hint dossier the 1st pair of request-replies is the traditional question for the A list returning the IPv4 handle 192. 168. zero. sixty six. body quantity three is the question for which we set the question kind to AAAA. determine 9-4 indicates the a part of the DNS answer that refers to arthur's IPv6 handle. within the area part, you'll discover what we have now been requesting. We did nslookup for arthur. universe. com with the question kind set to AAAA. the reply part offers the IPv6 tackle of arthur. you will be brooding about in regards to the "unknown variety" message and the query marks within the nslookup output in determine 9-3. let's examine what is really within the answer coming from the server. determine 9-5 exhibits the authority and extra checklist part within the comparable body. 164 Figure 9-5. Authority and extra checklist part The authority part states that the identify server for the area universe. com is Ford. universe. com. The content material within the authority part should be obvious within the nslookup screenshot (Figure 9-3), the road simply after the IPv6 handle for the AAAA list of arthur (bottom of screenshot). subsequent, within the hint dossier, we see the extra list part 1. It includes the IPv4 handle (A checklist) for the identify server Ford. universe. com. This refers back to the 3rd line within the nslookup output in determine 9-3. The fourth line within the nslookup output is the single starting with the 3 query marks and the unknown kind 38 remark. this may even be obvious within the hint dossier. examine the extra checklist part 2. Sniffer does not decode variety 38 but, yet we all know that style 38 is the A6 list variety. I checked the hexadecimal a part of the answer packet within the hint, and following the A6 kind price, the IPv6 deal with for Ford. universe. com might be noticeable. the extra checklist part three isn't really correctly decoded both, but when we payment the hex a part of the hint, we will be able to see that it includes the values obvious within the nslookup output. it's the AAAA checklist (type 28 decimal, 1C in hex) for Ford. universe. com, containing the IPv6 handle for Ford. nine. four SLP The provider position Protocol (SLP) discovers and selects companies in IP networks. SLP model 2 is laid out in RFC 2608. RFC 3111 describes how SLPv2 can be utilized in IPv6 networks.