https://tools.ietf.org/html/rfc4861
head = IPv6() # IPv6-Header head.dst = "ff02::1" # Destination-Adresse ist die All Nodes Multicast Address icmp6 = ICMPv6ND_RA() # ICMPv6-Header für Neighbor Discovery Router Advertisement o_pref = ICMPv6NDOptPrefixInfo() # ICMPv6-Option: Prefix Information o_pref.prefix = '2001:db8:1::' # Präfix wie in RA vom regulären Router o_pref.prefixlen = 64 # Präfix-Länge (in Bit) setzen o_pref.validlifetime = 7200 # Valid-Lifetime 2h o_pref.preferredlifetime = 1800 # Prefered-Lifetime 30min o_route = ICMPv6NDOptRouteInfo() # ICMPv6-Option: Route Information o_route.prefix ='::' # Default Route o_route.plen = 0 # Präfix-Länge (in Bit) setzen o_route.rtlifetime = 1800 # Same value as the Prefered-Lifetime of the Router o_rdns = ICMPv6NDOptRDNSS() # ICMPv6-Option: Recursive DNS Server o_rdns.dns = ['2001:db8:1::1'] # List of DNS Server Addresses o_rdns.lifetime = 1800 # Same value as the Prefered-Lifetime of the Router o_mac = ICMPv6NDOptSrcLLAddr() # ICMPv6-Option: Source Link Layer Address o_mac.lladdr = '01:02:03:04:05:06' # MAC address # Zusammensetzen des Pakets pkt = (head/icmp6/o_pref/o_route/o_rdns/o_mac) send(pkt) # Einmaliges Senden des Pakets
weitere mögliche Optionen:
o_mtu = ICMPv6NDOptMTU() # ICMPv6-Option MTU (kann entfallen)