On 10.03.2008, at 18:26, Monkey D. Luffy wrote: >> Your computer should gather that 192.168.2.1 is your router's >> ethernet >> from the broadcasts it listens to. Thats also a way of learning ARP >> tables. > So that means that I have (at least) a problem in my computer? Since > it doesn't learn who the router is from the IGMPs packets: > > > 86 1403.785840 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 87 1404.785886 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 88 1407.786026 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 89 1408.332413 192.168.2.1 224.0.0.1 IGMP > V2 Membership Query > 90 1408.586063 192.168.2.100 224.0.0.251 IGMP > V2 Membership Report > 91 1408.786070 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 92 1409.786118 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 93 1412.493245 192.168.2.1 224.0.0.9 IGMP > V2 Membership Report > 94 1412.786256 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 95 1413.786301 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 96 1414.786348 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > 97 1416.138415 192.168.2.100 239.255.67.250 IGMP > V2 Membership Report > 98 1417.786490 AsustekC_ba:f5:a8 Broadcast ARP > Who has 192.168.2.1? Tell 192.168.2.100 > > > > Can there something be wrong with the mask used?
Could be. What is the mask used? >> However its odd that the router doesnt answer a specific ARP request >> targeted to him. > So that means my router is indeed brain dead. > >> Now to the tricky questions. Where did you capture this? > I captured it on my computer, 192.168.10.100 192.168.10.100? thats not on the same subnet usually >> Maybe the router answered but your computer didnt get the answer >> because the switch in the middle is messed up or so? > The cable modem connects to my router. From my router 2 RJ45 cables > connect to 2 computers. Both (Linux) computers fail network connection > at the same time. > I don't use any switch hardware device. > > I have to say that when my NIC connects directly to the cable modem > (no router in the middle) I don't have any problems with my network > connection. _______________________________________________ Wireshark-users mailing list Wireshark-users@wireshark.org http://www.wireshark.org/mailman/listinfo/wireshark-users
