tcpdump to show only the contents of the package and addresses of the sender and the recipient

Question

Here are this way, but only displays the data without the sender and the recipient:

tcpdump -i ath0 -X | grep -E "str1|str2"

Interest here is such a result:

ip > ip
SOMEDATA
ip > ip
SOMEDATA
ip > ip
SOMEDATA

Answer 1

tcpdump -nn -q -s 0 -t -l -A port|-i

Example Output:

IP 127.0.0.1.350 > 127.0.0.1.34440: tcp 3696
E...d[@.@............^......M..F...........
.h...h.-HTTP/1.1 400 Bad Request
Server: squid/5.8
Mime-Version: 1.0
Date: Mon, 05 May 2020 12:54:49 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3325
X-Squid-Error: ERR_PROTOCOL_UNKNOWN 0
Vary: Accept-Language
Content-Language: en
X-Cache: MISS from proxy
X-Cache-Lookup: NONE from proxy:8080
Via: 1.1 proxy(squid/5.8)
Connection: close