[Click] ipreassembler problem

[Marcin]

At first, thanks for your advices. One more thing: your version works, 
except that reassembled packet in output trace lacks 22 last bytes of 
the payload. Any idea what could be the problem?

Regards,
Marcin

Eddie Kohler pisze:
> IPReassembler requires the IP header annotation.
>
> The easiest way to make sure that a FromDump element produces IP 
> packets is with the FORCE_IP argument.
>
> FromDump(in.dmp, STOP true, FORCE_IP true) -> IPReassembler -> 
> ToDump(out.dmp)
>
> THis will work for many different types of pcap trace files, not just 
> Ethernet encapsulation.
>
> Note that reassembled packets will have no MAC headers at all.  The 
> dump will get very confused if you mix no-MAC with MAC packets.  You 
> probably want this.
>
> FromDump(in.dmp, STOP true, FORCE_IP true)
>    -> StripToNetworkHeader
>    -> IPReassembler
>    -> ToDump(out.dmp, ENCAP IP)
>
> Eddie
>
>
> Marcin wrote:
>> Dear All,
>>  
>> I need to take all fragmented packets from the trace file reassemble 
>> them and output to another trace file. I tried to do it this way:
>>  
>> FromDump(in.dmp, STOP true) -> IPReassembler -> ToDump(out.dmp)"
>>
>> I receive this error message:
>>  
>> click: ../elements/ip/ipreassembler.cc:225: virtual Packet* 
>> IPReassembler::simple_action(Packet*): Assertion `iph' failed.
>>  
>> Any tips would be appreciated.
>>  
>> Regards,
>> Marcin
>>
>>
>>
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