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Re: ICMP Protocol Unreachable

just some wild guesses:
- checksum problem
- ttl 0
paridhi bansal wrote:

>Hi
>
>U are not getting the problem.
>
>When A sends echo request packet to B, B should send a
>reply packet back to A. But this is not what's
>happening. I have put a sniffer on B. B is receiving
>the packet as such with source as A and destination B.
>SO what u r saying that i am chaanging the ip b4
>forwarding the packet is not happening.
>
>The problem is :B is sending the ICMP packet with 
>Source:B 
>Destination :Gateway's Interface to B
>The ICMP packet type is Destination unreachable
>and it's code is Protocol Unreachable.
>
>
>The same thing also happens the other way round i.e
>when B pings to A. So i assume problem is somewhere in
>the code..Can it be some port problem or what????
>
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