12/6/2023 0 Comments Wireshark pcap s7![]() Show only the eCPRI-messages with Message Type 0x00 (IQ Data): ecpri. Example capture fileĪ complete list of eCPRI display filter fields can be found in the display filter reference (XXX add links to preference settings affecting how PROTO is dissected). The eCPRI dissector is in Development Release 3.1.0 and fully functional with the latest packet format. User Data: dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:dd:… The example shows an eCPRI tree with Message Type 5 in wireshark. UDP: eCPRI uses UDP as its transport protocol You find the latest versions here Protocol dependenciesĮthernet: eCPRI uses Ethernet with the Ethertype 0xAEFE > 100MB, Wireshark will become slow while loading, filtering and alike actions. There are two main topics where performance currently is an issue: large capture files and packet drops while capturing. In June 2018 eCPRI Specification V1.2 (latest version) was released. Some tips to fine tune Wiresharks performance.In January 2018 eCPRI Specification V1.1 was released.In August 2017 eCPRI Specification V1.0 was released.It starts with CPRI and with upcoming 5G a new protocol was needed. The eCPRI Payload field depends on the message type used. The maximum payload size is 65535, but is limited by the transport network, e.g. The eCPRI Payload doesn't include any padding bytes. 0 - 7 is specified in the Specification, 8 - 63 is reserved and 64 - 255 vendor specific. The new message starts at a 4-Byte boundary. Between this two messages are padding bits (0-3). If C = 1, then another eCPRI Message follows within the same PDU. ![]()
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