Hi,
I want to insert an extra header of my own so that I can make some routing
decisions based on the fields in that header. For example, in case of TCP, I
want the TCP header to be encapsulated in my custom header and my customer
header (along with TCP header and data) encapsulated in the IP header. How can
I do that. I know how to define a new header but the problem is where should I
insert the header i.e., which part of the code?
Below is a diagram showing what I want.
++++++++++++
| IP Header |
++++++++++++
| Custom Header |
++++++++++++
| TCP/UDP Hdr |
++++++++++++
Does anyone have any ideas how can I push a new header in between the IP and
TCP header.
regards,
Qasim
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