See RFC 2460, Section 3, description of HopLimit. -vlad
christophe preguica wrote: > What should be the behavior of a router when it receives an IPv6 packet > with Hop Limit = 0 ? Does IPv6 have the same behavior as for IPv4 TTL ? > > Following are some extracts of RFCs. > > ---------------------------------- > (Extract from RFC 1812 -- requirements for ipv4 routers) > > 4.2.2.9 Time to Live: RFC 791 Section 3.2 > > Note in particular that a router MUST NOT check the TTL of a packet > except when forwarding it. > > A router MUST NOT originate or forward a datagram with a Time-to-Live > > (TTL) value of zero. > > A router MUST NOT discard a datagram just because it was received > with TTL equal to zero or one; if it is to the router and otherwise > valid, the router MUST attempt to receive it. > > -------------------------------------------- > (Extract from RFC 2463 -- ICMPv6) > > 3.3 Time Exceeded Message > > If a router receives a packet with a Hop Limit of zero, or a router > decrements a packet's Hop Limit to zero, it MUST discard the packet > and send an ICMPv6 Time Exceeded message with Code 0 to the source of > > the packet. This indicates either a routing loop or too small an > initial Hop Limit value. > -------------------------- > > Kind regards, > > Christophe. > -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
