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Issue we have just been working on . turned out that a device with multiple senders was misconfigured . resulting in clicking audio .
after much digging turned out 2 senders had a multicast address duplication ,
sender A video had the same multicast as Sender B Audio
being from the same device it has the same unicast address
this was presented on a prism and in ebu list as RTP sequence errors , which is true as there where missing audio packets .
so what would be really great if during analysis the ebu list could flag audio and video packets on same multicast
will attach sample pcap
if filter ip.dst == 239.62.13.53
port 20001 = video 2110-20
port 30001 = audio 2110-30
Issue we have just been working on . turned out that a device with multiple senders was misconfigured . resulting in clicking audio .
after much digging turned out 2 senders had a multicast address duplication ,
sender A video had the same multicast as Sender B Audio
being from the same device it has the same unicast address
this was presented on a prism and in ebu list as RTP sequence errors , which is true as there where missing audio packets .
so what would be really great if during analysis the ebu list could flag audio and video packets on same multicast
will attach sample pcap
if filter ip.dst == 239.62.13.53
port 20001 = video 2110-20
port 30001 = audio 2110-30
link to dropbox wireshark capture
https://www.dropbox.com/scl/fi/bi3k0hykvqfw5altdx0rp/streamCapt_2025-02-10_17-31-14.pcap?rlkey=pvbq9vzygnrdvr4ho5nh3zu75&st=br5foe2m&dl=0
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