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   comp.protocols.tcp-ip      TCP and IP network protocols.      14,669 messages   

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   Message 13,620 of 14,669   
   Rick Jones to Andy Furniss   
   Re: MTU size for a 3g mobile broadband d   
   28 Sep 10 16:58:04   
   
   XPost: comp.os.linux.networking   
   From: rick.jones2@hp.com   
      
   In comp.protocols.tcp-ip Andy Furniss  wrote:   
   > Morten Reistad wrote:   
      
   > > You expect us to answer this? You are sitting on the network. Fire   
   > > up wireshark, or even tcpdump, and send som max-sized ping packets   
   > > to somewhere, and then you can tell us.   
      
   > Telling us what the somewhere he pinged has set their mtu to may be   
   > a bit misleading as to the nature of his ISP settings, though.   
      
   True, the reply coming-back fragmented means either the remote, or the   
   ISP(s) in the middle had a smaller-than-echo-size MTU.  However, if   
   the reply comes-back unfragmented we know that both the remote and   
   ISP(s) in the middle had an MTU of at least that size.   
      
   rick jones   
   --   
   firebug n, the idiot who tosses a lit cigarette out his car window   
   these opinions are mine, all mine; HP might not want them anyway... :)   
   feel free to post, OR email to rick.jones2 in hp.com but NOT BOTH...   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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