I usually remote into the switch and just shut the swithport down. They call in sooner or later :)
On Fri, Sep 17, 2010 at 2:40 PM, Jared Lynn <jl...@porta202.org> wrote: > I've discovered what the problem was. When I looked at the arp table of one > of the windows 7 machines the default gateway was different than the gateway > on all of my other machines. Upon further investigation, there was a home > bought router that somebody stuck in so that they could have wireless in > their classroom. What they didn't do was configure it to have a different ip > than my GW. Grr that is the type of thing that makes me so frustrated. Then > the complain when things don't work the way they should. If they would leave > my stuff alone and let me configure the device then all would be well. > > Jared Lynn > PORTA CUSD #202 Technology Coordinator > > On Sep 11, 2010, at 4:20 PM, Aaron Hackney <aa...@aaronhackney.com> wrote: > >> Are the arp requests from the affected workstations completing? Are >> the entries on the arp table on the FW and on the workstation? What >> does a wireshark sniff say? >> >> Vista did the same behavior reaching out to a web site to determine if >> the Internet was available. I believe there is an option or a regedit >> to turn it off... >> >> On Sat, Sep 11, 2010 at 3:33 PM, <hay...@sages.us> wrote: >>> Thanks for the info, Tom. This will help. >>> >>> >>> Quoting "Steele, Thomas C" <tste...@manteno5.org>: >>> >>>> We have been seeing something similar off and on with our Win7 machines - >>>> the network & sharing center would show that we did not have a connection >>>> to >>>> the Internet, even though everything looked good in ipconfig /all and the >>>> system tray would have a warning symbol on the network icon. After some >>>> extensive internet research via google, I found a lot of possible causes... >>>> >>>> 1) It seems Vista and Win7 have some kind of "phone home" pinging >>>> mechanism that the OS uses to determine if it is reaching the Internet. If >>>> the sites or at least responses from those sites that the OS is looking for >>>> do not get returned to the workstation, then the OS assumes that it has no >>>> connection to the Internet, though internal connections to the LAN are >>>> fine. >>>> It is conceivable that a firewall/filter (such as IPCop) might be blocking >>>> the sites the OS is trying to hit to determine if it has Internet >>>> connectivity. If this is the case, it should show up in a wireshark trace >>>> but I have not tried it to confirm. >>>> >>>> 2) Some reported a specific issue with Symantec Endpoint Security (again, >>>> possibly related to Symantec's local firewall - we don't use Symantec so >>>> that was not our issue). >>>> >>>> 3) Apple's Bonjour service has been reported to cause this kind of >>>> activity (though it was not installed on the machines we were having issues >>>> with that I am aware of) >>>> >>>> 4) Problems with older versions of Intel's NIC drivers (ours were most >>>> recent, though) >>>> >>>> 5) Problems with IPv6. By default Vista and Win 7 have native support for >>>> both IPv6 and IPv4. If the rest of the network is only configured for IPv4 >>>> some have suggested disabling IPv6 on the client. This did the trick for >>>> us >>>> on one problematic workstation (running our access control software, which >>>> may also have been part of the problem). >>>> >>>> In our case this is very sporadic and seems to have pretty much gone away >>>> (maybe something fixed in a Windows update?). When it does occur, I have >>>> found that disabling and re-enabling the network connection seems to work. >>>> >>>> -TS >>>> >>>> >>>> -----Original Message----- >>>> From: tech-geeks-boun...@tech-geeks.org >>>> [mailto:tech-geeks-boun...@tech-geeks.org] On Behalf Of hay...@sages.us >>>> Sent: Saturday, September 11, 2010 10:07 AM >>>> To: Tech-Geeks Mailing List >>>> Subject: Re: [tech-geeks] Vista/7 not connecting to network >>>> >>>> For those of us who are using IPCop, it looks like it is time that we >>>> either find a solution for this issue - it arose in our district again >>>> last week with two new laptops running Windows 7 - or find a >>>> replacement for IPCop that does not have this issue. >>>> >>>> Now, if one of us comes up with a solution we need to agree so >>>> share........ >>>> >>>> >>>> Quoting Charlie Niehaus <cnieh...@altamont.k12.il.us>: >>>> >>>>> I have (soon had I hope) the same issue with Windows 7 and IPCop. >>>>> Never did find a solution. There are tohers that did not see the >>>>> issue with IPCop and Windows 7 - so I am assuming it is either a >>>>> configuration issue with IPCop (Best Bet) or somthing with a switch >>>>> along the way. i was lucky enough to solve it by giving the >>>>> computer in question an external IP and trusting the user (My >>>>> Superintendent) to not break any AUP rules. Not sure how that is >>>>> going though. >>>>> >>>>> ----- Original Message ----- From: "Jared Lynn" <jl...@porta202.org> >>>>> To: "Tech-Geeks Mailing List" <tech-geeks@tech-geeks.org> >>>>> Sent: Friday, September 10, 2010 12:19 PM >>>>> Subject: [tech-geeks] Vista/7 not connecting to network >>>>> >>>>> >>>>>> I'm hoping somebody on here has experienced this and has a solution >>>>>> to this very annoying problem. I have a couple of newly purchased >>>>>> windows 7 machines and a single vista machine that are trying to >>>>>> connect to get past my Router. DHCP hands out a valid IP and points >>>>>> to the right places but from there, the Default Gateway doesn't >>>>>> acknowledge that the machine exists. I can ping and access all >>>>>> internal servers but can not ping the Default Gateway. FYI, the >>>>>> Default Gateway is our CIPAFilter that has no problems with XP or >>>>>> OS X 10.6. Any comments or thoughts as to what might be occurring >>>>>> would be greatly appreciated. >>>>>> >>>>>> As always, You stay Classy Internet. >>>>>> Thanks, >>>>>> Jared Lynn >>>>>> PORTA CUSD #202 Technology Coordinator >>>>>> Email: jl...@porta202.org >>>>>> Phone: 217-501-4920 >>>>>> >>>>>> | Subscription info at http://www.tech-geeks.org | >>>>>> >>>>> >>>>> | Subscription info at http://www.tech-geeks.org | >>>>> >>>> >>>> >>>> >>>> >>>> | Subscription info at http://www.tech-geeks.org | >>>> | Subscription info at http://www.tech-geeks.org | >>>> >>> >>> >>> >>> >>> | Subscription info at http://www.tech-geeks.org | >>> >> >> >> >> -- >> "Don't ask yourself what the world needs. Ask yourself what makes you >> come alive and then go do that. Because what the world needs is people >> who have come alive." -Dr. Howard Thurman >> >> ****************************** >> Aaron Keith Hackney >> aa...@aaronkeithstudios.com >> Cell 210.325.2196 >> ****************************** >> | Subscription info at http://www.tech-geeks.org | > | Subscription info at http://www.tech-geeks.org | > -- "Don't ask yourself what the world needs. Ask yourself what makes you come alive and then go do that. Because what the world needs is people who have come alive." -Dr. Howard Thurman ****************************** Aaron Keith Hackney aa...@aaronkeithstudios.com Cell 210.325.2196 ****************************** | Subscription info at http://www.tech-geeks.org |
