[ECOS] ping with more than 1472 bytes fails in ecos tcp/ip stack

Jani Monoses jani@iv.ro
Fri Mar 7 07:30:00 GMT 2003


ethernet MTU is 1500
1472 + 28 (IP +ICMP header lenght) = MTU
But even for bigger packets IP should fragment and reassembly for you.

which stack?Only Redboot's stack does not do fragmenting.

> Hello,
>  
> I tried to ping eCos TCP/IP stack with more than 1472 bytes, but the
> reply is not coming.
>  
> For ping less than or equal to 1472 bytes, the response comes without
> any problem.
>  
> What may be the cause for this. Is this alright?
>  
> Cheers,
> Prakash
> 

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