Multicast addresses are reserved addresses from 224.0.0.1 to 239.255.255.255 (i don't remember right now the upper limit so this last IP might be wrong).

What you can try id to ping 224.0.0.1, which will make all multicast aware hosts to reply because it's a special address (kind of broadcast within the multicast). If your SER host reply it means that your kernel is responding....

After that you can try to ping to the multicast address you have ellected as your group to check which hosts are replying and you'll get the multicast membership "report"...

If you want to cross your LAN thinhs get more complicated...

Samuel.

2006/10/3, zain zain@educities.edu.tw:

Hi,

I want to use basic multicast support in SER, but I don't know how to test the multicast function on LAN to see whether it's working in SER.

The following are some descriptions about my version. OS: Debian kernel version: 2.6.8-2-686 SER version: 0.9.6

I add the following lines in ser.cfg. mcast_loopback=yes mcast_ttl=32

I use "/etc/ser start" to start SER. SER works good, but I don't know how to verify multicast on LAN. If the UA(User Agent) is kphone or SJphone.

Thanks in advance.

Justin

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