This is our old Q&A Site. Please post any new questions and answers at ask.wireshark.org.

I am new to Wireshark and wanted to ask some questions, firstly, when looking at "Encapsulation type : Ethernet (1)" what does the "(1)" mean? I have also seen "Per-packet Information Header (97)", what is the "(97)"?

So many questions.... so little knowledge...

asked 15 Feb '16, 13:49

JimmyM's gravatar image

JimmyM
6113
accept rate: 0%


It's a Wireshark-internal value that represents the particular link-layer header type for the packet in question - and the numerical values are subject to change from release to release, so perhaps we shouldn't be displaying it.

Wireshark's capture-file-reading code maps the link-layer header type or types in the file - which have values that may be different for different file types - into the internal value so that the Wireshark dissection code doesn't need to know the particular values used in pcap/pcapng files or the ones used in Microsoft Network Monitor files or the ones used in {Ether,Token,Airo,Omini}Peek files or....

permanent link

answered 15 Feb '16, 14:01

Guy%20Harris's gravatar image

Guy Harris ♦♦
17.4k335196
accept rate: 19%

Thank you very much for that! If I don't need to know, then I am happier

(15 Feb '16, 17:13) JimmyM
Your answer
toggle preview

Follow this question

By Email:

Once you sign in you will be able to subscribe for any updates here

By RSS:

Answers

Answers and Comments

Markdown Basics

  • *italic* or _italic_
  • **bold** or __bold__
  • link:[text](http://url.com/ "title")
  • image?![alt text](/path/img.jpg "title")
  • numbered list: 1. Foo 2. Bar
  • to add a line break simply add two spaces to where you would like the new line to be.
  • basic HTML tags are also supported

Question tags:

×14
×14

question asked: 15 Feb '16, 13:49

question was seen: 6,189 times

last updated: 15 Feb '16, 17:13

p​o​w​e​r​e​d by O​S​Q​A