diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ipv6.texi | 96 |
1 files changed, 91 insertions, 5 deletions
diff --git a/doc/ipv6.texi b/doc/ipv6.texi index cf87b97a..d811623d 100644 --- a/doc/ipv6.texi +++ b/doc/ipv6.texi @@ -4,7 +4,7 @@ Quagga fully supports IPv6 routing. As described so far, Quagga supports RIPng, OSPFv3 and BGP-4+. You can give IPv6 addresses to an interface -and configure static IPv6 routing information. Quagga-IPv6 also provides +and configure static IPv6 routing information. Quagga IPv6 also provides automatic address configuration via a feature called @code{address auto configuration}. To do it, the router must send router advertisement messages to the all nodes that exist on the network. @@ -17,16 +17,102 @@ messages to the all nodes that exist on the network. @comment node-name, next, previous, up @section Router Advertisement -@deffn {Interface Command} {ipv6 nd send-ra} {} +@deffn {Interface Command} {no ipv6 nd supress-ra} {} +Send router advertisment messages. @end deffn -@deffn {Interface Command} {ipv6 nd prefix-advertisement @var{ipv6prefix}} {} +@deffn {Interface Command} {ipv6 nd supress-ra} {} +Don't send router advertisment messages. +@end deffn + +@deffn {Interface Command} {ipv6 nd prefix @var{ipv6prefix} [@var{valid-lifetime}] [@var{preferred-lifetime}] [off-link] [no-autconfig]} {} +Configuring the IPv6 prefix to include in router advertisements. Several prefix +specific optional parameters and flags may follow: +@itemize @bullet +@item +@var{valid-lifetime} - the length of time in seconds during what the prefix is +valid for the purpose of on-link determination. Value @var{infinite} represents +infinity (i.e. a value of all one bits (@code{0xffffffff})). + +Range: @code{<0-4294967295>} Default: @code{2592000} + +@item +@var{preferred-lifetime} - the length of time in seconds during what addresses +generated from the prefix remain preferred. Value @var{infinite} represents +infinity. + +Range: @code{<0-4294967295>} Default: @code{604800} + +@item +@var{off-link} - indicates that advertisement makes no statement about on-link or +off-link properties of the prefix. + +Default: not set, i.e. this prefix can be used for on-link determination. + +@item +@var{no-autoconfig} - indicates to hosts on the local link that the specified prefix +cannot be used for IPv6 autoconfiguration. + +Default: not set, i.e. prefix can be used for autoconfiguration. +@end itemize +@end deffn + +@deffn {Interface Command} {ipv6 nd ra-interval SECONDS} {} +@deffnx {Interface Command} {no ipv6 nd ra-interval} {} +The maximum time allowed between sending unsolicited multicast router +advertisements from the interface, in seconds. Must be no less than 3 seconds. + +Default: @code{600} +@end deffn + +@deffn {Interface Command} {ipv6 nd ra-lifetime SECONDS} {} +@deffnx {Interface Command} {no ipv6 nd ra-lifetime} {} +The value to be placed in the Router Lifetime field of router advertisements +sent from the interface, in seconds. Indicates the usefulness of the router +as a default router on this interface. Setting the value to zero indicates +that the router should not be considered a default router on this interface. +Must be either zero or between value specified with @var{ipv6 nd ra-interval} +(or default) and 9000 seconds. + +Default: @code{1800} +@end deffn + +@deffn {Interface Command} {ipv6 nd reachable-time MILLISECONDS} {} +@deffnx {Interface Command} {no ipv6 nd reachable-time} {} +The value to be placed in the Reachable Time field in the Router Advertisement +messages sent by the router, in milliseconds. The configured time enables the +router to detect unavailable neighbors. The value zero means unspecified (by +this router). Must be no greater than @code{3,600,000} milliseconds (1 hour). + +Default: @code{0} +@end deffn + +@deffn {Interface Command} {ipv6 nd managed-config-flag} {} +@deffnx {Interface Command} {no ipv6 nd managed-config-flag} {} +Set/unset flag in IPv6 router advertisements which indicates to hosts that they +should use managed (stateful) protocol for addresses autoconfiguration in +addition to any addresses autoconfigured using stateless address +autoconfiguration. + +Default: not set +@end deffn + +@deffn {Interface Command} {ipv6 nd other-config-flag} {} +@deffnx {Interface Command} {no ipv6 nd other-config-flag} {} +Set/unset flag in IPv6 router advertisements which indicates to hosts that +they should use administered (stateful) protocol to obtain autoconfiguration +information other than addresses. + +Default: not set @end deffn @example @group interface eth0 - ipv6 nd send-ra - ipv6 nd prefix-advertisement 3ffe:506:5009::/64 + no ipv6 nd supress-ra + ipv6 nd prefix 2001:0DB8:5009::/64 @end group @end example + +For more information see @cite{RFC2462 (IPv6 Stateless Address Autoconfiguration)} +and @cite{RFC2461 (Neighbor Discovery for IP Version 6 (IPv6))}. |