Example of how to join a IGMPv2 multicast group when using WinPcap.
Usage example : sendigmp.exe "rpcap://\Device\NPF_{F7AE2C5A-3C42-4CCA-B034-BD4B3CE9D578}"
Requires WinPCAP develooper resources. Tested against version 4.1.3 (https://www.winpcap.org/devel.htm).
Example Usage : Join a multicast group:
D:\WpdPack\Examples-pcap\sendpack\Debug>sendigmp.exe rpcap://\Device\NPF_{F7AE2C5A-3C42-4CCA-B034-BD4B3CE9D578} 1 239 255 255 250
1. rpcap://\Device\NPF_{4F2C580A-26CC-40A1-A339-578B4B473B85} (Network adapter 'Microsoft' on local host)
2. rpcap://\Device\NPF_{6FDD06EA-8BFD-460B-A3AC-9789FE3E1600} (Network adapter 'Microsoft' on local host)
3. rpcap://\Device\NPF_{F7AE2C5A-3C42-4CCA-B034-BD4B3CE9D578} (Network adapter 'Intel(R) 82579LM Gigabit Network Connection' on local host)
4. rpcap://\Device\NPF_{6793231A-CC1D-4CCB-88F1-C57C4BEA9E44} (Network adapter 'Microsoft' on local host)
IGMP Joining 239.255.255.250...
Leave a multicast group:
D:\WpdPack\Examples-pcap\sendpack\Debug>sendigmp.exe rpcap://\Device\NPF_{F7AE2C5A-3C42-4CCA-B034-BD4B3CE9D578} 0 239 255 255 250
1. rpcap://\Device\NPF_{4F2C580A-26CC-40A1-A339-578B4B473B85} (Network adapter 'Microsoft' on local host)
2. rpcap://\Device\NPF_{6FDD06EA-8BFD-460B-A3AC-9789FE3E1600} (Network adapter 'Microsoft' on local host)
3. rpcap://\Device\NPF_{F7AE2C5A-3C42-4CCA-B034-BD4B3CE9D578} (Network adapter 'Intel(R) 82579LM Gigabit Network Connection' on local host)
4. rpcap://\Device\NPF_{6793231A-CC1D-4CCB-88F1-C57C4BEA9E44} (Network adapter 'Microsoft' on local host)
IGMP Leave 239.255.255.250...
Example of how to check the GS12 memberships:
(Abaco Systems GBX410 Routing) #show mac-address-table igmpsnooping
MAC Address Type Description Interfaces
----------------------- ------- ---------------- -------------------------
00:02:01:00:5E:7F:FF:19 Dynamic Network Assist Fwd: 0/2
00:02:01:00:5E:7F:FF:FA Dynamic Network Assist Fwd: 0/2
00:02:01:00:5E:7F:FF:FF Dynamic Network Assist Fwd: 0/2
After issuing a Leave command i.e. sendigmp.exe rpcap://\Device\NPF_{39EFC0AD-AE9B-40EC-82CF-9306C91F4013} 0 239 255 255 255
(Abaco Systems GBX410 Routing) #show mac-address-table igmpsnooping
MAC Address Type Description Interfaces
----------------------- ------- ---------------- -------------------------
00:02:01:00:5E:7F:FF:19 Dynamic Network Assist Fwd: 0/2
00:02:01:00:5E:7F:FF:FA Dynamic Network Assist Fwd: 0/2
- Code conforms to https://www.ietf.org/rfc/rfc2236.txt
- Wireshark example can be found at https://wiki.wireshark.org/IGMP
- Abaco Systems rugged GS12 Switch
- Abaco Systems rugged GBX410 Switch 