First time here? Check out the FAQ!

Ask Your Question
0

Wireshark can't capture UDP packet

asked May 2 '1

RabbitZ gravatar image

I use "Packet Sender" to send UDP packet to my debugging board, and use same PC Wireshark to capture the packet. but no data captured in wireshark. The data sending out is with "port = 2015", and I set the wireshark filter is "udp.port == 2015".

Something wrong with my wireshark or packet sender?

Preview: (hide)

1 Answer

Sort by » oldest newest most voted
0

answered May 2 '1

grahamb gravatar image

Are you sure you're capturing in the same interface the UDP packets are being transmitted from?

It appears that, by default, Packet Sender doesn't bind to a particular source IP (and hence interface) unless specified, so will use the interface with the best route to the destination address.

The other issue may be your "debugging" board isn't responding to ARP requests so the sending PC can't get a MAC address to send to. Do you see ARP requests, if not try capturing with a less restrictive filter?

Preview: (hide)
link

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Question Tools

1 follower

Stats

Asked: May 2 '1

Seen: 3,174 times

Last updated: May 02 '21