[Click] about header annotation

[Eddie Kohler]

Xiaophong,

> I used 2 pcs, one recieves packets another sends packets. in my
> implemetation I used set_mac_header(). but on recieving side, it did not
> find the annotation. when I do the following test that is to use one
> source and one reciever in the configure file, it find the annotation
> mac_header(). So how can I settle this problem, let the recieve PC
> recognize the mac_header/ Ether_header.

Annotations are inherently not transmitted over the wire. You will need to
set the annotation explicitly on the receiving PC, or write an element that
packs annotation values into the packet data.

Eddie