How can I see on my linux box if Multicasting is enabled for my network interface?
Using ifconfig command you see if multicasting is enabled for your network interface or not.
[ali@lab ~]$ /sbin/ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr 00:24:D7:38:D5:7C inet addr:172.30.59.189 Bcast:172.30.59.255 Mask:255.255.255.0 inet6 addr: fe80::224:d7ff:fe38:d57c/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:761458 errors:0 dropped:0 overruns:0 frame:0 TX packets:282314 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:334033669 (318.5 MiB) TX bytes:50207088 (47.8 MiB)
If multicast is enabled for your network card then you would see RUNNING MULTICAST text in the command output. If it is not enabled you would see only MULTICAST.
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