<span style="font-family: georgia;">Hi Sachin,<br><br>Opening RAW socket for IPPROTO_IGMP, will get all IGMP packets regardless of its destination address from kernel to XORP. <br><br>Can i know, where it says it will only get
<a href="http://224.0.0.1">224.0.0.1</a> packets. I'm not aware such a filtering in RAW socket. <br><br>Thanks,<br>Regards,<br>Suresh kannan.<br><br></span><br><div><span class="gmail_quote">On 2/15/07, <b class="gmail_sendername">
Sachin K</b> <<a href="mailto:sachinutd@gmail.com">sachinutd@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
How does the XORP multicast router sniff IGMP/MLD messages from the network?<br><br>I checked the some routers' code. Most of them just open a RAW socket with<br>protocol set to IPPROTO_IGMP. But using this the router gets the
<br>packets addressed to <a href="http://224.0.0.1">224.0.0.1</a> only.<br><br>How does it receive IGMPv2 and IGMPv3 membership reports sent by other hosts?<br><br>Thanks,<br><br>Sachin<br><br>_______________________________________________
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