не уверен. помогите потому что я не могу понять что не так
вот что выдает на шлюзе при tcpdump -i eth0 igmp
# tcpdump -i eth0 igmp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
22:41:56.198126 IP 10.1.31.60 > 224.0.200.34: igmp query v2 [max resp time 10] [gaddr 224.0.200.34]
22:42:06.725015 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:07.426940 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:07.499965 IP 10.1.31.60 > 224.0.200.44: igmp query v2 [max resp time 10] [gaddr 224.0.200.44]
22:42:09.168553 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:10.116731 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:11.267737 IP 10.1.31.60 > all-systems.mcast.net: igmp query v2
22:42:16.546131 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:16.732493 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:17.586046 IP ubuntu-ish > 239.192.152.143: igmp v2 report 239.192.152.143
22:42:17.596021 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:22.567775 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:23.365551 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:36.255396 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:37.254293 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:37.662474 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:37.704328 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:38.184230 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:42:42.023788 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:42:42.913809 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:43:11.269821 IP 10.1.31.60 > all-systems.mcast.net: igmp query v2
22:43:11.393065 IP 10.1.31.60 > 224.0.200.34: igmp query v2 [max resp time 10] [gaddr 224.0.200.34]
22:43:13.211124 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:43:14.910994 IP ubuntu-ish > 239.192.152.143: igmp v2 report 239.192.152.143
22:43:55.718131 IP 10.1.31.60 > 224.0.200.30: igmp query v2 [max resp time 10] [gaddr 224.0.200.30]
22:43:59.762952 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:44:00.506969 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:44:01.534437 IP 10.1.31.60 > 224.0.200.1: igmp query v2 [max resp time 10] [gaddr 224.0.200.1]
22:44:06.618927 IP 10.1.31.60 > 239.255.255.250: igmp query v2 [max resp time 10] [gaddr 239.255.255.250]
22:44:06.826415 IP ubuntu-ish > 239.255.255.250: igmp v2 report 239.255.255.250
22:44:07.334451 IP 10.1.31.60 > 224.0.200.2: igmp query v2 [max resp time 10] [gaddr 224.0.200.2]
22:44:10.497185 IP 10.1.31.60 > 224.0.200.3: igmp query v2 [max resp time 10] [gaddr 224.0.200.3]