Hello,
I need to setup multicast between two VEs on different HN. I read other posts on forum where they mention that you have to use bridge ( veth and not venet ).
So, after configuring it, i can only use multicast from a HN to a VE. But i can't use from a VE to HN or from a VE to other VE.
Any ideas of what i can do?
My current configuration:
HN1 - ifconfig:
eth0 Link encap:Ethernet HWaddr 00:14:4f:20:a4:9c
inet6 addr: fe80::214:4fff:fe20:a49c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:204459 errors:0 dropped:0 overruns:0 frame:0
TX packets:135769 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:17659469 (16.8 MiB) TX bytes:17230927 (16.4 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:17461 errors:0 dropped:0 overruns:0 frame:0
TX packets:17461 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4918796 (4.6 MiB) TX bytes:4918796 (4.6 MiB)
venet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1
RX packets:52 errors:0 dropped:0 overruns:0 frame:0
TX packets:43 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3311 (3.2 KiB) TX bytes:3390 (3.3 KiB)
veth101.0 Link encap:Ethernet HWaddr 00:18:51:0e:30:3a
inet6 addr: fe80::218:51ff:fe0e:303a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:474 errors:0 dropped:0 overruns:0 frame:0
TX packets:5652 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:24856 (24.2 KiB) TX bytes:272558 (266.1 KiB)
vmbr0 Link encap:Ethernet HWaddr 00:14:4f:20:a4:9c
inet addr:192.168.100.11 Bcast:192.168.100.255 Mask:255.255.255.0
inet6 addr: fe80::214:4fff:fe20:a49c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:199375 errors:0 dropped:0 overruns:0 frame:0
TX packets:129945 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:14358033 (13.6 MiB) TX bytes:16791230 (16.0 MiB)
HN1 - VE1 configuration:
NETIF="ifname=eth0,mac=00:18:51:77:98:ED,host_ifname=veth101.0,host_mac=00:18:51:0E:30:3A"
HN1 - VE1 ifconfig:
# ifconfig
eth0 Link encap:Ethernet HWaddr 00:18:51:77:98:ed
inet addr:192.168.100.101 Bcast:192.168.100.255 Mask:255.255.255.0
inet6 addr: fe80::218:51ff:fe77:98ed/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6342 errors:0 dropped:0 overruns:0 frame:0
TX packets:519 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:306409 (299.2 KiB) TX bytes:26596 (25.9 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
HN1 - VN1 route -n:
# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.100.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 0 eth0
0.0.0.0 192.168.100.1 0.0.0.0 UG 0 0 0 eth0
For HN2 and VE2, the configuration is the same, just with different IPs and mac address.
My tests:
Run on VE1
Run on VE2
# ssmping 192.168.100.101
Failed to join multicast channel: Invalid argument
errno=22
I appreciate any kind of help for this 
Thanks!
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