So, I looked at the link you provided.  Basically, you're correct.  This is the 
exact reverse of what I need to do.  I need to send my wifi connection down to 
my ethernet port, so my ethernet port has a live internet cennection on it.  It 
looks like this article is trying to go the other way, meaning your ethernet 
has a connection, and you're trying to therefore share it to your wifi as a 
hotspot that other devices can then connect to.
I've tried going the other way by setting it reverse of this article.  I went 
from wifi, to ethernet, but that's where I'm having my problem.  As soon as I 
do that, the ethernet is getting the self assigned 169.154.105.163, and no 
matter what I do, I can't get the wifi internet connection to feed over to the 
ethernet port on the same system as the wifi adapter.  Again, as I said 
initially, yes.  I most definitely have absolutely tried going in and manually 
putting all the information into the IPV4 section.  That certainly makes it 
quit saying that it has a self assigned IP.  I mean, at that point, it looks 
good, but any time I try doing anything via the ethernet port which requires 
internet access, no go.

No, my OSX firewall is not turned on, before you ask.

Chris.

  ----- Original Message ----- 
  From: Georgina Joyce 
  To: AppleVis List 
  Sent: Sunday, April 26, 2015 5:05 PM
  Subject: Re: Major trouble with internet: Warning: not for the basic user!


  Hello Chris,


  I’d use instructions to set up an access point rather than a bridge. I’d get 
hold of a basic router and use it as an access point. But here’s a reversed Mac 
approach. But the principals apply.


  
http://www.dummies.com/how-to/content/how-to-make-your-mac-a-wifi-access-point.html




    On 26 Apr 2015, at 20:58, Christopher-Mark Gilland <clgillan...@gmail.com> 
wrote:


    As I said in my subject, I don't want to turn anyone off from reading this 
e-mail.  If you genuinely think you can help, just know, no suggestion is 
stupid.  Especially considerring that I've tried everything under the son.  At 
this point, I'm willing to try literally just about anything including throwing 
the mac across the room, then screaming!  LOL!

    So, a little bit of very brief background.  I have a Dell computer which 
apparently has just bitten the dust.  It's about 10 years old.  This really 
isn't rellavent more so than to say  I just put it in storage until I figure 
out what to do with it.  I also have a Yamaha hifi dolby/prologic surround 
sound 5.1 receiver.  This receiver has an ethernet port on the back of it which 
allows you to connect it to an internet wired connection for things like 
Pandora, Spottify, etc.  Get to the point, Chris, you say.  I am, I am, I 
promise.  Stick with me on this.  Just hear me out for a sec as this is 
actually incredibly rellavant to my problem.

    So, here's the issue.  The receiver doesn't have wifi capability.  It's 
stricly only able to connect to a network via a hardwired ethernet connection.  
Well, this would be all fine and dandy except for one thing.

    I don't have room on my desk with my router to set the receiver up.  
Therefore, I had to set the receiver up across the room beside that old busted 
Dell machine.  Due to home regulations set by my landlord, I cannot tack 
anything to the walls, nor use double sided tape, or anything of the sort, nor 
can I tack anything across my ceiling.  Therefore, there went using a token 
ringed topology, let alone a PTP host/client configuration.  Therefore, what I 
was doing was connecting via wifi to my home network's router across the room.  
This supplied internet connectivity to me on the Dell machine.  Then what I did 
was, I ran an ethernet cable from the on board ethernet port on the back of the 
Dell tower to the ethernet port on my Yamaha receiver.  Then, finally, in 
Windows XP, I was able to go under Control Panel, Networks, select both my wifi 
connection as well as my ethernet connection, hit the application's key, or 
rather, right click, same thing, and then select bridge connection from the 
context menu.  Once done, it made my wifi connection carry down to my ethernet 
port.  So, in other words, as long as I have an internet connection on my wifi 
end, then whatever got plugged into the ethernet port hardwired used that exact 
same connection.

    So, now that the Dell system has gone to its grave, and is there rotting, 
LOL!  just kidding, seriously  though, I'm trying to achieve this same exact 
thing with Yosemite 10.10.3.  No matter what the heck I do though, try as I 
may, I just can! not! seem to get this to work.

    So far, I went into System Preferences, Sharing.  Under here, I first 
selected the internet sharing service in the table.  Then, making sure the box 
in the first column of that table row was unchecked, I moved down and set the 
share from popup button to wifi.  Then, in the share to table, I made sure that 
the only thing checked was ethernet.  Then, I went back to the services table, 
checked the box beside the Internet sharing service, and started up the service.

    I should add that all the above things were done while the ethernet cable 
was plugged in both to the mac, and to the receiver.

    I then tried getting the receiver to go out online via internet, but it 
wouldn't.  I wondered if something got turned off in the receiver's menus, so I 
tested with an old laptop I have which doesn't even have wifi ability, only 
ethernet.  It didn't work there either, so trust me.  It's not the receiver 
here that's at fault.

    I went back to System Prefernces, then to network.  I noticed that the 
first service in the table was eithernet, not wifi, even though wifi is my 
primary means to connect.  Therefore, I went to the actions popup button, and 
to service order, I think it's called... something to that effect.  Using the 
Voiceover's drag and drop abilities, I dragged the connections around and got 
them so wifi was first, then Ethernet was second.  This way, wifi takes higher 
priority.  This didn't fix the issue.

    Next, still in network settings, on the ethernet connection, I noticed 
though connected, it said that it had a self assigned IP address, and will not 
be able to connect to the internet.  The IP address it's showing is:  
169.254.105.163.  Obviously, from another machine on my network than the mac, 
if I try pinging this address, it times out instantly.  I can't even do a 
tracert query.  It doesn't even complete the first hop if I do.  Under Network 
Settings on the mac, on the Ethernet connection in the table, the IPV4 settings 
are set to DHCP, however, I tried DHCP with manual address, and entered that in 
by hand.  I've even tried going to manual in the popup button, and entering 
everything totally! by hand such as the IPV4 address, the router address, the 
dns server address, which is the same as my router, being my router is serving 
as my DHCP server to all clients on the network.  I've released and renew the 
dns IP, but it just comes back to the same IP as above.  169.154.X.X isn't even 
within the subnet range of my router, which is within 192.168.X.X.  My router 
IP is:  192.168.1.1.  For future reference, this router is a Linksys WRT1900AC 
with Linksys Smart Wifi as its web admin interface.

    I tried turning off internet sharing, rebooting, making sure no active wifi 
connection was in progress, and that my ethernet cable was disconnected from 
the mac, then turned on network sharing making sure it was set up from wifi, 
and to ethernet.  Then, I plugged the ethernet cable back in.  NO good, I still 
got the self assigned IP listed above.  The 169.154.105.163.  I tried looking 
at the mac address settings on my router, etc. and they all look fine.  There 
are no conflicting IP's on the network's subnet either.  I made sure when 
manually enterring things, that my subnet masc was 255.255.255.0.  Still no 
good.

    I've gone in and removed the ethernet service from system prefs, network, 
then readding it.  My location is set to automatic, although I tried making a 
brand new location just to see if that would help.  It didn't.

    I created a new user account on the system, logged in as it, and had the 
same issue, so it's not an issue with my user account being corrupted a bit.  I 
ran disc permission check/repair from the recovery partition, and all was fine 
there.  When I verified permissions, they all came back as being perfectly 
intact correctly.

    Finally, at my whit's end, I went into terminal, and executed

    ifconfig -l

    I noticed that all my network adaptors look correct, and seem to be 
functioning.

    I then attempted to stop internet sharing with:

    sudo launchctl unload -w\ 
/System/Library/LaunchDaemons/com.apple.InternetSharing.plist

    Apparently, that plist file no longer is there in Yosemite like it was in 
Mavericks.  BTW, I dono if this would a worked in Yosemite, what I'm trying to 
do.  I never had a need to try, as back then, I just bridged with my Windows 
machines.

    Finally, I turned off Internet Sharing again from the GUI, not the CLI.  I 
restarted, then went back to terminal.

    I then issued

    ifconfig -l

    I determined that my ethernet and my wireless adaptors are on en0, and en1.

    Therefore, I typed:

    sudo ifconfig bridge create

    this created a bridge called bridge0.

    I then proceeded to add those two interfaces to the bridge...

    sudo ifconfig bridge0 addm en0 addm en1

    This seemed to work correctly.

    I don't recall where I found the file, but it was under /etc.  I found a 
conf file which did show the two adapters attached to the bridge.  I know this 
is really a piss poor way to do this, as then, I'd have to recreate the bridge, 
and re-add the interfaces manually by hand.  I'll fix that later with a cron 
job which I'll place in the default system profile via a shell script, but I 
can't do that until I get things working to start with.  LOL!  Right now, doing 
that is the least of my concerns!

    Anyway, after doing this, I tried to see if I had any success.  Of corse, 
go figure, I didn't.

    So, yeah, I'm totally outta options.  I've even gone into my router and 
changed the dns/dhcp settings so they matched what OSX is automatically giving 
that stupid ethernet connection.  Obviously, this meant having to reconfigure 
all other clients on my network which was a royal pain in the ass!  I diddit 
though, so you can't say I didn't try!  Ha ha.  Lord though!  Even that! didn't 
work!

    Folks, I'm throwing my hands in the air!  I give the heck up!  I dono 
what's left to do!  I literally! have tried every ***ing thing under the sun 
that I know to try!

    Any thoughts would be profoundly appreciated.  If you can help me get this 
working, I'm so determined, I'll even be willing to put a tip on my blog on how 
to properly set up bridging, and you better believe I'll give you public credit 
by name!

    OK guys, have at it!  See if you can figure this one out!  Eat your hearts 
out!  LOL!

    Chris.


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