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README - Added commands to check IPv6 multicast traffic

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Christian Klein
2026-08-22 19:30:39 +02:00
parent ebc554cf5b
commit 51a203a5cf
1 changed files with 11 additions and 0 deletions
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README.md
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@@ -78,10 +78,21 @@ iperf3 -s # Setup server on host 10.1.1.2
iperf3 -c 10.1.1.2 # Check TCP downlink from 10.1.1.2 iperf3 -c 10.1.1.2 # Check TCP downlink from 10.1.1.2
iperf3 -c 10.1.1.2 -u # Check UDP downlink from 10.1.1.2 iperf3 -c 10.1.1.2 -u # Check UDP downlink from 10.1.1.2
# IPv4 Multicast
# Test multicast connectivity (with iperf) # Test multicast connectivity (with iperf)
iperf -s -u -B 224.0.67.67 -i 1 # Setup multicast receiver iperf -s -u -B 224.0.67.67 -i 1 # Setup multicast receiver
iperf -c 224.0.67.67 -u --ttl 5 -t 10 -b 1M # Send for 10 seconds at 1 MBit/s iperf -c 224.0.67.67 -u --ttl 5 -t 10 -b 1M # Send for 10 seconds at 1 MBit/s
# Test multicast connectivity (with socat) # Test multicast connectivity (with socat)
seq 50 | xargs -Iz echo "Hello World" | pv -qL 2 | socat -u - UDP4-DATAGRAM:239.255.10.10:5000,ip-multicast-ttl=1 # Sender seq 50 | xargs -Iz echo "Hello World" | pv -qL 2 | socat -u - UDP4-DATAGRAM:239.255.10.10:5000,ip-multicast-ttl=1 # Sender
socat -u UDP4-RECV:5000,ip-add-membership=239.255.10.10:0.0.0.0 - # Receiver socat -u UDP4-RECV:5000,ip-add-membership=239.255.10.10:0.0.0.0 - # Receiver
# IPv6 Multicast
# Test multicast connectivity (with iperf)
iperf -s -u -V -B ff15::6767 -i 1 # Setup IPv6 multicast receiver
iperf -c ff15::6767 -u -V --ttl 5 -t 10 -b 1M # Send for 10 seconds at 1 MBit/s
# Test multicast connectivity (with socat)
seq 50 | xargs -Iz echo "Hello World" | pv -qL 2 | socat -u - UDP6-DATAGRAM:[ff15::101]:5000 # Sender
seq 50 | xargs -Iz echo "Hello World" | pv -qL 2 | socat -u - UDP6-DATAGRAM:[ff15::101]:5000,so-bindtodevice=eth0,setsockopt-int=41:18:5 # Sender, TTL=5
socat -u UDP6-RECV:5000,ipv6-join-group=[ff15::101]:eth0 - # Receiver
``` ```