Voilà l'extrait du tcp dump quand je passe d'un chaine à l'autre (un chaine qui fonctionne à celle qui fonctionne pas):
On vois bien les paquet UPD qui s'arrêtent.
16:26:40.956788 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.957643 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.958548 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.958661 IP 89.86.97.6.49152 > 232.0.64.202.8202: UDP, length 1344
16:26:40.959416 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.960358 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.961169 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.962027 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.962929 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.963789 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.964683 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.965536 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.966445 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.966548 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.64.202
16:26:40.967319 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.968777 IP OpenWrt.lan > 232.0.64.202: igmp query v2 [gaddr 232.0.64.202]
16:26:40.969250 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.969346 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.970331 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.970440 IP 89.86.97.6.49152 > 232.0.64.202.8202: UDP, length 1344
16:26:40.971309 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.971995 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.972744 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.973439 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.974363 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.975207 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.976094 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.976967 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:40.977818 IP 89.86.97.6.49152 > 232.0.64.202.8200: UDP, length 1328
16:26:41.049221 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:26:44.079048 IP OpenWrt.lan > 232.0.64.202: igmp query v2 [gaddr 232.0.64.202]
16:26:45.285378 IP6 fe80::12fe:edff:fee6:7c04 > ip6-allrouters: HBH ICMP6, multicast listener reportmax resp delay: 0 addr: ip6-allrouters, length 24
16:26:45.969443 IP Bouygtel4K-272011032208462.lan.5353 > 224.0.0.251.5353: 0 PTR (QM)? _googlecast._tcp.local. (40)
16:26:45.971278 IP Bouygtel4K-272011032208462.lan.5353 > 224.0.0.251.5353: 0*- [0q] 1/0/3 PTR Bouygtel4K-796f1090b4244f7044b7a4057a51bdf0._googlecast._tcp.local. (344)
16:26:47.269118 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:26:50.091775 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.66.73
16:26:50.092462 IP OpenWrt.lan > 232.0.66.73: igmp query v2 [gaddr 232.0.66.73]
16:26:50.247931 IP Bouygtel4K-272011032208462.lan.43352 > mrs09s09-in-f8.1e100.net.443: Flags [P.], seq 229953572:229954419, ack 2749090393, win 65535, options [nop,nop,TS val 167977 ecr 2393472855], length 847
16:26:50.256679 IP mrs09s09-in-f8.1e100.net.443 > Bouygtel4K-272011032208462.lan.43352: Flags [.], ack 847, win 65535, options [nop,nop,TS val 2393593789 ecr 167977], length 0
16:26:50.267173 IP mrs09s09-in-f8.1e100.net.443 > Bouygtel4K-272011032208462.lan.43352: Flags [P.], seq 1:625, ack 847, win 65535, options [nop,nop,TS val 2393593800 ecr 167977], length 624
16:26:50.267459 IP Bouygtel4K-272011032208462.lan.43352 > mrs09s09-in-f8.1e100.net.443: Flags [.], ack 625, win 65535, options [nop,nop,TS val 167979 ecr 2393593800], length 0
16:26:50.947751 IP Bouygtel4K-272011032208462.lan.39312 > mrs09s09-in-f14.1e100.net.443: Flags [P.], seq 547690241:547691292, ack 1030795730, win 65535, options [nop,nop,TS val 168047 ecr 3568701629], length 1051
16:26:50.956896 IP mrs09s09-in-f14.1e100.net.443 > Bouygtel4K-272011032208462.lan.39312: Flags [.], ack 1051, win 65535, options [nop,nop,TS val 3568813871 ecr 168047], length 0
16:26:50.979592 IP mrs09s09-in-f14.1e100.net.443 > Bouygtel4K-272011032208462.lan.39312: Flags [P.], seq 1:486, ack 1051, win 65535, options [nop,nop,TS val 3568813893 ecr 168047], length 485
16:26:50.979878 IP Bouygtel4K-272011032208462.lan.39312 > mrs09s09-in-f14.1e100.net.443: Flags [.], ack 486, win 65535, options [nop,nop,TS val 168051 ecr 3568813893], length 0
16:26:52.399838 IP Bouygtel4K-272011032208462.lan.42123 > OpenWrt.lan.53: 38260+ A? mabbox.bytel.fr. (33)
16:26:52.409634 IP OpenWrt.lan.53 > Bouygtel4K-272011032208462.lan.42123: 38260 NXDomain 0/1/0 (114)
16:26:52.409984 IP Bouygtel4K-272011032208462.lan.63778 > OpenWrt.lan.53: 61096+ A? mabbox.bytel.fr.lan. (37)
16:26:52.410428 IP OpenWrt.lan.53 > Bouygtel4K-272011032208462.lan.63778: 61096 NXDomain 0/0/0 (37)
16:26:52.422599 IP Bouygtel4K-272011032208462.lan.41027 > OpenWrt.lan.53: 50992+ A? gestionbbox.lan. (33)
16:26:52.423058 IP OpenWrt.lan.53 > Bouygtel4K-272011032208462.lan.41027: 50992 NXDomain 0/0/0 (33)
16:26:52.423348 IP Bouygtel4K-272011032208462.lan.54580 > OpenWrt.lan.53: 49827+ A? gestionbbox.lan.lan. (37)
16:26:52.423790 IP OpenWrt.lan.53 > Bouygtel4K-272011032208462.lan.54580: 49827 NXDomain 0/0/0 (37)
16:26:53.095487 IP OpenWrt.lan > 232.0.66.73: igmp query v2 [gaddr 232.0.66.73]
16:26:55.445329 ARP, Request who-has Bouygtel4K-272011032208462.lan tell OpenWrt.lan, length 28
16:26:55.445835 ARP, Reply Bouygtel4K-272011032208462.lan is-at ec:6c:9a:bf:14:c0 (oui Unknown), length 46
16:26:56.098948 IP OpenWrt.lan > 232.0.66.73: igmp query v2 [gaddr 232.0.66.73]
^C
Et j'ai bien des requêtes IGMP qui passent de temps à autre.
16:26:26.774700 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.775630 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.775812 IP OpenWrt.lan > all-systems.mcast.net: igmp query v2
16:26:26.776484 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.777365 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.778228 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.779118 IP 89.86.97.6.49152 > 232.0.64.201.8202: UDP, length 1344
16:26:26.779232 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.779510 IP Bouygtel4K-272011032208462.lan > 232.0.64.201: igmp v2 report 232.0.64.201
16:26:26.780071 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
16:26:26.780842 IP 89.86.97.6.49152 > 232.0.64.201.8200: UDP, length 1328
Ce qui est bizarre sur le WAN c'et que je vois bien les réponses IGMP (j'en ait pas mal sur les chaines qui fonctionnent pas et au changement de chaine, moins sur une chaine établie) mais je vois pas les query du wan:
root@OpenWrt:/etc/perso# tcpdump -i eth1 igmp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 262144 bytes
16:40:00.231261 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:00.371209 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:03.184910 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.66.73
16:40:03.361259 IP Bouygtel4K-272011032208462.lan > 232.0.64.202: igmp v2 report 232.0.64.202
16:40:06.071344 IP Bouygtel4K-272011032208462.lan > 232.0.64.202: igmp v2 report 232.0.64.202
16:40:08.391255 IP Bouygtel4K-272011032208462.lan > 232.0.64.202: igmp v2 report 232.0.64.202
16:40:10.007445 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.64.202
16:40:10.101323 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:10.551329 IP Bouygtel4K-272011032208462.lan > 224.0.0.251: igmp v2 report 224.0.0.251
16:40:12.711333 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:15.191321 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:16.231370 IP Bouygtel4K-272011032208462.lan > 239.255.3.22: igmp v2 report 239.255.3.22
16:40:18.791385 IP Bouygtel4K-272011032208462.lan > 239.255.255.250: igmp v2 report 239.255.255.250
16:40:19.138728 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.66.73
16:40:21.221384 IP Bouygtel4K-272011032208462.lan > 232.0.33.1: igmp v2 report 232.0.33.1
16:40:25.351415 IP Bouygtel4K-272011032208462.lan > 232.0.33.1: igmp v2 report 232.0.33.1
16:40:28.391368 IP Bouygtel4K-272011032208462.lan > 232.0.33.1: igmp v2 report 232.0.33.1
16:40:30.267710 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.33.1
16:40:30.631370 IP Bouygtel4K-272011032208462.lan > 239.255.255.250: igmp v2 report 239.255.255.250
16:40:36.071396 IP Bouygtel4K-272011032208462.lan > 239.255.3.22: igmp v2 report 239.255.3.22
16:40:37.451401 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:39.271407 IP Bouygtel4K-272011032208462.lan > 224.0.0.251: igmp v2 report 224.0.0.251
16:40:45.031430 IP Bouygtel4K-272011032208462.lan > 232.0.66.73: igmp v2 report 232.0.66.73
16:40:46.502188 IP Bouygtel4K-272011032208462.lan > all-routers.mcast.net: igmp leave 232.0.66.73
16:40:46.691472 IP Bouygtel4K-272011032208462.lan > 232.0.64.201: igmp v2 report 232.0.64.201
16:40:48.551414 IP Bouygtel4K-272011032208462.lan > 232.0.64.201: igmp v2 report 232.0.64.201
16:40:51.911415 IP Bouygtel4K-272011032208462.lan > 232.0.64.201: igmp v2 report 232.0.64.201