Use --direction option to tcpdump:
-Q direction
--direction=direction
Choose send/receive direction direction for which packets should be
captured. Possible values are `in', `out' and `inout'. Not available on
all platforms.
Packet captures: filtering on RX vs TX
Use --direction option to tcpdump:
-Q direction
--direction=direction
Choose send/receive direction direction for which packets should be
captured. Possible values are `in', `out' and `inout'. Not available on
all platforms.