RadiSys SEG-100 Administration Manual
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Contents
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3Addressing66IPv6 supportThe IP address standard IPv6 is designed as a successor to IPv4, with the principal advantageof providing a much larger 128 bit address space. Among many other advantages, the largenumber of available global IPv6 addresses means that NAT is no longer required to share alimited number of public IPv4 addresses.SEG configuration objects supporting IPv6The following parts of the SEG provide IPv6 support:• The address book• Routing tables• IP rules (excluding some actions)Enabling IPv6IPv6 needs to be explicitly enabled in the SEG if it to be used. This is done by setting the valueof the setting BlockIPVersions to be None:Device:/> set Settings IPSettings BlockIPVersions=NoneThis allows both IPv4 and IPv6 packets to be recognized. If all IPv6 traffic is to be ignored, thesetting is:Device:/> set Settings IPSettings BlockIPVersions=IPv6DropSilentThis is the default and causes all IPv6 packets to be ignored.Adding an IPv6 addressIPv6 address objects are created in the SEG address book in the same way as for IPv4.For IPv6, only the all‐nets‐ip6 object (IPv6 address ::/0) exists by default in the address book.This means that the IPv6 address and network objects associated with interfaces must first becreated.Example: Adding an IPv6 addressThis example adds a new address object called my_ip6_address to the address book with thesingle IPv6 address 2001:DB8::1.Device:/> add Address IPAddress my_ip6_address Address=2001:DB8::1Note: As described in RFC3849, the IPv6 prefix 2001:DB8::/32 is specifically reserved fordocumentation. All IPv6 examples in this guide use this network or addresses from it. |
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