I am trying to understand the option " loose source route option" in the ip header. I got the general idea how it is used, but i am looking for a link that can illustrate its usage. if anyone knows such link, please forward to me. I did try to google it but did not come with any link illustrating the concept.
thanks and have a good day.
From RFC 791 (internet protocol)
The loose source and record route (LSRR) option provides a means
for the source of an internet datagram to supply routing
information to be used by the gateways in forwarding the
datagram to the destination, and to record the route
The option begins with the option type code. The second octet
is the option length which includes the option type code and the
length octet, the pointer octet, and length-3 octets of route
data. The third octet is the pointer into the route data
indicating the octet which begins the next source address to be
processed. The pointer is relative to this option, and the
smallest legal value for the pointer is 4
Also here is a link to the RFC