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

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   Message 12,827 of 14,669   
   Aaron Spiteri    
   Re: ping6   
   29 Apr 09 00:20:16   
   
   On 2009-04-26 22:11:16 +1000, Pascal Hambourg   
    said:   
      
   > Hello,   
   >   
   > Aaron Spiteri a écrit :   
   >>   
   >> ;; ANSWER SECTION:   
   >> azzmosphere.azzmos.com.au. 0    IN      AAAA    fe80::216:cbff:feb3:87cf   
   >   
   > This is a link-local address. Also the TTL is zero, could this be the   
   > source of the problem ?   
      
   I believe you are right here about the TTL unfortunately I am using   
   DNSMasq on DD-WRT to do the resolving which I don't know as well as   
   bind, so as of yet have not fixed this.   
      
   >   
   >> ping6 fe80::216:cbff:feb3:87cf   
   >> PING6(56=40+8+8 bytes) fe80::216:cbff:feb3:87cf%en1 -->   
   >> fe80::216:cbff:feb3:87cf   
   >> 16 bytes from fe80::216:cbff:feb3:87cf%en1, icmp_seq=0 hlim=64 time=2.656 ms   
   >   
   > A link-local address alone is ambiguous and does not specify a unique   
   > destination because it may be reachable on different links connected to   
   > the host ; so it must be completed with the local interface connected   
   > to the link connected to the destination, for exemple by appending a   
   > suffix %interface to it, which your ping6 seems to do automatically.   
   > Mine does not, it requires I specify the interface explicitly.   
   ping6 will work with or without prefixes for me.   
      
   >   
   >> $ ping6  azzmosphere.azzmos.com.au   
   >> ping6: No address associated with nodename   
   >   
   > Maybe the local resolver discards link-local addresses because they are   
   > ambiguous. Did you try with a global or unique local address instead ?   
      
   Can't get out of my local network on IPv6, grrrr.  So have not yet.   
      
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