Re: LAN question

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On Sun, Sep 14, 2008 at 09:56:16PM -0700, Paul Newell wrote:
> 
> Fedora:
>
> Before I switched to F9, all my FC5 machines were happily chatting with  
> each other through a Linksys WRT54GL but none of them could see the net.  
> I upgraded one of them to F9 and it sees the net and can ssh to the  
> others. But the other two machines can no longer ssh into it F9 system.  
> I tried to play with things to fix it, but the best I could do was kill  
> the network connection so that the F9 system can't see the other machine  
> or the net. In other words, I screwed up. Since I can't figure out how  
> to get the network back alive by restoring prior conditions, I am  
> resigned to yet another re-install (the price of learning is lots of  
> starting over...)
>
> That being said, I was hoping to get a bit of advice.

I suspect a change in Zeroconf since things appear mixed.

	http://en.wikipedia.org/wiki/Zeroconf

If you have some hosts with 169.254.0.0/16 (link-local) addresses and
some with private/ public network numbers you have a mix of link local
and private nets we know what the issue is.  

   "The technique for IPv4 is called IPv4 Link-Local address assignment
   (IPV4LL) in RFC 3927. However, Microsoft refers to this as Automatic
   Private IP Addressing (APIPA) or Internet Protocol Automatic Configuration
   (IPAC)."

The Linksys is the same model I use and I have had no need to make changes
You might have to reboot it once in a blue moon.  I do keep IP addresses
below xxx.yyy.zzz.100 for fixed services and let it assign DHCP from 100 up...

There are four interesting network blocks for us common folk:
     10.0.0.0        -   10.255.255.255  (10/8 prefix)
     172.16.0.0      -   172.31.255.255  (172.16/12 prefix)
     192.168.0.0     -   192.168.255.255 (192.168/16 prefix)
     169.254.0.0/16  -   169.254.255.255 (link-local 169.254.0.0/16 prefix)

Link local sounds like "machines were happily chatting with each other
through a Linksys WRT54GL but none of them could see the net" to me.


--
  Later mitch

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