[dba-Tech] Hub problem

Stuart McLachlan stuart at lexacorp.com.pg
Tue Dec 29 17:27:16 CST 2009


If it's an old hub, the ports are probably not "auto-configuring".   You may need a "cross-over 
cable" to connect the hub to the router (unless on of the ports on it is marked as a cross-
over port - in which case, use that one to connect to the router)..



-- 
Stuart



On 29 Dec 2009 at 12:53, Rocky Smolin wrote:

> Well, the sites describe my problem.  And it's probably the hub because
> everything that doesn't work through the hub works through the router.
> Sounds like a switch might be a faster solve.
> 
> R
> 
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Jon Tydda
> Sent: Tuesday, December 29, 2009 12:22 PM
> To: 'Discussion of Hardware and Software issues'
> Subject: Re: [dba-Tech] Hub problem
> 
> 169.254.x.x is an automatic configuration address - explained here:
> http://ask-leo.com/why_cant_i_connect_with_a_169254xx_ip_address.html
> 
> Another site
> (http://www.pctechbytes.com/network/networkdetail.php?Fix-169.254.x.x-IP-Add
> ress-Problem-4) suggests this: 
> 
> If the computer network was working then quit:
> 
> 1. Release and renew the IP Address. Go to Start>Run and type cmd and hit
> OK. At the prompt, type ipconfig /release and then reboot. You could just
> type ipconfig /renew next, but rebooting is more thorough.
> 2. If that doesn't work, release the IP again and shutdown. Next power cycle
> the modem and router.
> 
> A third site (http://www.chicagotech.net/troubleshootingipconfig.htm) says: 
> 
> Why do I get 169.254.x.x IP?
> 
> Symptom: The Internet Assigned Numbers Authority (IANA) has reserved
> 169.254.0.0-169.254.255.255 for Automatic Private IP Addressing. If the
> computer can't get ip from DHCP, APIPA provides an address that is
> guaranteed not to conflict with routable addresses.
> 
> Resolutions: 1) Make sure you have good connection.
> 2) Check the hardware and settings.
> 3) Make sure the DHCP is working.
> 4) For the test, you can assign static ip. If static ip works, it is
> possible DHCP issue. If static ip doesn't work, check the hardware or
> connection.
> 5) WinSock2 stack may be corrupted and need to repair. 
> 
> Hope that's of some use!
> 
> 
> Jon
> 
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Rocky Smolin
> Sent: 29 December 2009 20:09
> To: 'Discussion of Hardware and Software issues'
> Subject: Re: [dba-Tech] Hub problem
> 
> /Release and /all didn't change anything.  IPv4 address is still
> 169.254.225.78.  Should be something like 192.168.1.x.
> 
> I did ipconfig /renew and got the message "An error occurred while renewing
> interface Local Area Connection : unable to contact your DHCP server.
> Request has timed out."
> 
> R
> 
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Gary Kjos
> Sent: Tuesday, December 29, 2009 10:57 AM
> To: Discussion of Hardware and Software issues
> Subject: Re: [dba-Tech] Hub problem
> 
> Have a look here
> 
> http://www.networkclue.com/os/Windows/commands/ipconfig.aspx
> 
> You could try to do an ipconfig /all
> 
> and then an ipconfig /release
> 
> followed by another
> 
> ipconfig /all
> 
> on the workstation connected to the hub.
> 
> You have to do Run and then cmd.exe to get a dos box to do ipconfig
> 
> GK
> On Tue, Dec 29, 2009 at 12:44 PM, Rocky Smolin <rockysmolin at bchacc.com>
> wrote:
> > Yeah, all the same workgroup.  When I pull the wire from the hub and 
> > plug it into the router it works regardless of machine.  ICS can't be 
> > enabled because I've only one network (so says the help dialog).
> >
> > R
> >
> > -----Original Message-----
> > From: dba-tech-bounces at databaseadvisors.com
> > [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Max 
> > Wanadoo
> > Sent: Tuesday, December 29, 2009 8:57 AM
> > To: 'Discussion of Hardware and Software issues'
> > Subject: Re: [dba-Tech] Hub problem
> >
> > Are the  WorkGroups the same, ie WORKGROUP or MSHOME etc?
> >
> > Also the pc with the internet access needs to have ICS enabled (search 
> > help for  ICS Internet Connection Sharing)
> >
> > Max
> >
> >
> > -----Original Message-----
> > From: dba-tech-bounces at databaseadvisors.com
> > [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Rocky 
> > Smolin
> > Sent: 29 December 2009 16:27
> > To: List; 'Access Developers discussion and problem solving'
> > Subject: [dba-Tech] Hub problem
> >
> > Dear List:
> >
> > I have a nice netgerar router with wireless and four ports.  Problem 
> > is that I need five ports.  I had an old hub in the cabinet so I 
> > connected one of the router's ports to the hub.  One of the ports on 
> > the hub goes to a Netgear XE102 wall plugged bridge which gives 
> > another computer and the HDTV access to the network and the net 
> > through two other XE102s.  Everything works a treat.
> >
> > But when I try to connect another machine (via regular Cat-5/RJ45
> > cable) to an empty port on the hub, the computer can see the network 
> > but not the internet - windows diagnosis shows the computer is 
> > connected to 'unidentified network', 'local access only', and says 
> > that the IP address is invalid - which it is - looks like some kind of 
> > fixed IP instead of the 192.168.1.n number assigned by the router (?).
> >
> > Oddly, the Netgear bridge doesn't have a problem - don't know why. And 
> > years ago I was using this hub to connect machines. So I think the hub 
> > is good (the Netgear Bridge works in all the hub's ports) and the 
> > cables are good - I tested them by using the router's ports - and it
> worked.
> >
> > Anybody know why these ports won't work? Is there a way to use the 
> > empty ports on the hub?  Should I get a switch?
> >
> >
> >
> > MTIA
> >
> >
> >
> > Rocky
> >
> >
> >
> >
> >
> >
> > _______________________________________________
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> >
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> >
> 
> 
> 
> --
> Gary Kjos
> garykjos at gmail.com
> 
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