[Duff]

So ist die Ausgabe vom tcpdump auf port 546 udp

utm:/root # tcpdump -i eth6 udp port 546 -vv
tcpdump: listening on eth6, link-type EN10MB (Ethernet), capture size 65535 bytes
19:58:10.332347 IP6 (hlim 1, next-header UDP (17) payload length: 60) fe80::21a:8cff:fe4b:15d6.dhcpv6-client > ff02::1:2.dhcpv6-server: [udp sum ok] dhcp6 solicit (xid=d4a3c9 (client-ID hwaddr/time type 1 time 589485490 001a8c4b15d6) (option-request DNS-server DNS-search-list) (elapsed-time 0) (IA_PD IAID:2353731030 T1:3600 T2:5400))
19:58:10.337062 IP6 (class 0xe0, hlim 30, next-header UDP (17) payload length: 50) fe80::ff:fe00:22.dhcpv6-server > fe80::21a:8cff:fe4b:15d6.dhcpv6-client: [udp sum ok] dhcp6 advertise (xid=d4a3c9 (server-ID hwaddr type 1 e8edf32f20d7) (client-ID hwaddr/time type 1 time 589485490 001a8c4b15d6) (status-code unspec failure))