XPost: comp.os.linux.networking   
   From: markhobley@yahoo.donottypethisbit.co   
      
   On Wed, 29 Sep 2010 17:16:12 +0000, Mark Hobley wrote:   
      
   I have some more weirdness now. If I ping from one host to another, connected   
   via ethernet, I would expect a maximum datagram size of 1500. However, I   
   actually get a result of 65535, as follows:   
      
   # PMTUD is disabled on both hosts:   
   echo 0 > /proc/sys/net/ipv4/ip_no_pmtu_disc   
      
   ping -s 65507 miranda   
   PING miranda.markhobley.yi.org (10.0.0.30) 65507(65535) bytes of data.   
   65515 bytes from miranda.markhobley.yi.org (10.0.0.30): icmp_seq=1 ttl=64   
   time=13.8 ms   
      
   Does this mean that jumbo frames have become enabled on my network?   
      
   Mark.   
      
   --   
   Mark Hobley   
   Linux User: #370818  http://markhobley.yi.org/   
      
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