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sys_attrs_ipv6(5)					    sys_attrs_ipv6(5)



NAME

  sys_attrs_ipv6 - ipv6	subsystem attributes

DESCRIPTION

  This reference page lists and	describes attributes for the Internet Proto-
  col Version 6	(ipv6) kernel subsystem.  Refer	to the sys_attrs(5) reference
  page for an introduction to the topic	of kernel subsystem attributes.



  icmp6_rlimit_enable
      A	value that enables (1) or disables (0) rate-limiting of	ICMPv6 errors
      (see RFC 2463).

      Default value: 1 (enabled)



  icmp6_rlimit_T
      The maximum time,	in milliseconds, to wait before	sending	ICMPv6 error
      packets to a particular destination IPv6 address.

      Default value: 1000 (milliseconds)

      Minimum value: 1

      Maximum value: LONG_MAX, or 9 quintillion



  icmp6_rlimit_k
      The minimum time,	in milliseconds, to wait before	sending	ICMPv6 error
      packets to a particular destination IPv6 address.

      Default value: 100 (milliseconds)

      Minimum value: 1

      Maximum value: LONG_MAX, or 9 quintillion



  icmp6_rlimit_ntol
      The number of packets to send before starting the	ICMPv6 error packet
      rate-limiting timers.

      Default value: 10	(packets)

      Minimum value: 0

      Maximum value: INT_MAX, or 2 billion



  ipv6forwarding
      A	value that enables (1) or disables (0) a system's ability to forward
      IPv6 packets that	are not	addressed to the system.  This functionality
      is usually enabled by using the /usr/sbin/ip6_setup command.

      Default value: 0 (disabled)

      For systems functioning as routers, both ipv6forwarding and ipv6router
      attributes must be 1.  For IPv6 hosts that want to forward source
      routed packets, the ipv6forwarding attribute must	be 1.



  ipv6router
      A	value that enables (1) or disables (0) a system's ability to forward
      IPV6 packets that	are not	addressed to the system.  This functionality
      is usually enabled by using the /usr/sbin/ip6_setup command.  When
      enabled, Neighbor	Advertisements from the	system have the	IsRouter flag
      set (see RFC 2461).

      Default value: 0 (disabled)

      For systems functioning as routers, both ipv6forwarding and ipv6router
      attributes must be 1.

SEE ALSO

  sys_attrs(5)

  RFC 2461, Neighbor Discovery for IP Version 6	(IPv6),	Narten,	T., Nordmark,
  E., December 1998

  RFC 2463, Internet Control Message Protocol (ICMPv6) for the Internet	Pro-
  tocol	Version	6 (IPv6), Conta, A., Deering, S., December 1998