Deploying IPv6 in Broadband Access Networks by Adeel Ahmed

By Adeel Ahmed

An crucial reference for deploying IPv6 in broadband networks

With the exponential progress of the net and lengthening variety of finish clients, provider companies are more and more searching for how one can extend their networks to fulfill the scalability necessities of the transforming into variety of Internet-ready home equipment or "always-on" units. This e-book bridges a niche within the literature via delivering insurance of net Protocol model 6 (IPv6), in particular in broadband entry networks. The authors, who're Cisco qualified Internetworking specialists (CCIE), supply entire and great assurance of:

  • IPv6 drivers in broadband networks

  • IPv6 deployment in Cable, DSL, ETTH, and instant networks

  • Configuring and troubleshooting IPv6 gateway routers and host

  • Configuring and troubleshooting IPv6 area routers

  • Configuring and troubleshooting IPv6 provisioning servers

The authors additionally speak about demanding situations confronted through carrier companies and the way IPv6 addresses those concerns. also, the ebook is complemented with examples all through to additional facilitate readers' comprehension and a true large-scale IPv6 BB SP case research is gifted. Deploying IPv6 in Broadband entry Networks is key examining for community operators, community layout engineers and specialists, community architects, and individuals of the networking neighborhood.

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Extra resources for Deploying IPv6 in Broadband Access Networks

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13). Once the NS message is received, the receiving node replies by sending a NA message on the local link. After the exchange of NS and NA, the source and destination nodes can begin to communicate. To elaborate further, node A sends NS to discover the Layer2 (L2) address of node B, based on the target’s IPv6 address. 14 Contents of NS during address resolution. 15 Contents of NA during address resolution. address of node B. Note the main contents of the NS and NA messages and the L2 and Layer3 (L3) source and destination addresses shown in the sniffer traces in the Figures.

Implementation effort on the CM/CMTS should be minimal because the only significant difference between IPv4 IGMPv3 and IPv6 MLDv2 is the longer addresses in the protocol. IPv6 Addressing for Host, GWR, and ER The host behind the CM will get a /64 prefix via stateless address autoconfiguration (SLAAC) or DHCPv6. If using SLAAC, the host listens for router advertisements (RAs) from the ER. The RAs contain the /64 prefix assigned to the segment. , its modified EUI-64 format interface ID). 3 IPv6 addressing in a bridged environment.

2, the RA message contains a bit called the A-bit. When the A-bit is set, the receiving device engages the SLAAC mechanism. The /64 prefix included in the RA is used as the prefix for the interface address. For Ethernet, the remaining 64 bits are obtained from the interface ID in the EUI-64 format. Thus, an IPv6 node can autoconfigure itself with a globally unique IPv6 address by appending its link-layer address based on the interface ID built in the EUI-64 format to the prefix provided in the RA. 19 illustrates the SLAAC process.

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