IPv6 Support

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IPv6 support in the NDK

IPv6 was added in the NDK 2.00 release. The NDK 2.00 provides a dual-mode IPv4/IPv6 stack. Customers who do not require IPv6 functionality may configure it out to save memory and CPU resources. The IPv6 functionality in NDK is supported through the following components:

IPv6 Core Stack

  • Neighbor Cache Support
  • Routing Table Support
  • Extension Header Support
  • Fragmentation/Reassembly
  • Binding Lifetime Management
  • Routing Table Lifetime Management

IPv6 RFCs in NDK RFC Description
RFC 3596 DNS Extensions to Support IPv6
RFC 2460 Internet Protocol Version 6 - Only support for processing of extension headers
RFC 2461 Neighbor Discovery for IPv6
RFC 2462 IPv6 Stateless Address Autoconfiguration
RFC 2463 IPv6 Internet Control Message Protocol (ICMPv6) for IPv6
RFC 2464 Transmission of IPv6 Packets over Ethernet Networks
RFC 3484 Default Address Selection for IPv6 - Implemented partially
RFC 3587 IPv6 Global Unicast Address Format.
RFC 3493 Basic Socket Interface Extensions for IPv6 - Implemented partially. No compatibility with IPv4 nodes, multicast, getaddrinfo/freeaddrinfo
RFC 2373 IPv6 Addressing Architecture - No support for IPv6 addresses embedded with IPv4

Layer4 Support

  • ICMPv6
  • RAW
  • UDP
  • TCP

Application Support

  • TFTP
  • Telnet
  • Web Server
  • DNS

Which IPv6 features are not supported?

  • IPSec
  • MLD
  • DNS over IPv6
  • IPv4-compatible IPv6 addresses
  • Extension headers configuration