If record route option is present, routers might add their IP address 
information into IP header as the packet goes ahead.
- Abhijit
----- Original Message ----- 
From: "Jeffrey Walton" <noloader@xxxxxxxxx>
To: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
Sent: Thursday, September 10, 2009 8:47 PM
Subject: Re: [Wireshark-users] IP Conversation
Hi rkruz,
MAC addresses are not included in the IP header. Is there anything
special about the placket, such as an optional header or IPSec? Some
fields in the optional header can change (if specified/present *and*
honored by the hardware) such as timestamps.
Jeff
On Thu, Sep 10, 2009 at 9:59 PM,  <rkruz@xxxxxxx> wrote:
How do IP packets change as they pass between 2 routers. If I mirrored the 
output port of each router and captured the conversation packets with 
Wireshark, would both captures look the same with the exception of the MAC 
address and the TTL value?
[SNIP]
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