The PC should request an arp for the gateway. Do you have any arp filtering along the path?
We had a case where some wireless array will drop arp request from windows vista computers. Disabled the arp filtering or arp broadcast restriction fixed the issue we had. Schilling On Tue, Sep 28, 2010 at 9:15 AM, Watters, John <john.watt...@ua.edu> wrote: > No, it is not the base SSID. > > > > No ARP is being sent from the WiSM. Should the PC request the ARP or should > it come unsolicited? The PC does not show any request for one. > > > > -jcw > > ------------------------------------- > John Watters UA: OIT 205-348-3992 > > > ------------------------------ > > *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto: > wireless-...@listserv.educause.edu] *On Behalf Of *Holland, Ryan C. > *Sent:* Tuesday, September 28, 2010 8:05 AM > > *To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > *Subject:* Re: [WIRELESS-LAN] Mysterious Missing ARP Entry > > > > Does the WEP ssid that is not working happen to be the radio's base BSSID? > We have a similar issue with a different vendor and different device. > > > > I would say that you may need to end up performing a packet capture to see > where the traffic is dropped. > > > ========== > Ryan Holland > Network Engineer, Wireless > Office of the Chief Information Officer > > The Ohio State University > 614-292-9906 holland....@osu.edu > > > > On Sep 27, 2010, at 5:40 PM, Watters, John wrote: > > > > > > I need some help with a strange new problem – a persistent missing ARP > entry. > > > > We are a Cisco shop running WiSMs (6.0.199.4) with a mix of 1142s, 1131’s > and a few older 1242 APs. > > > > This past Friday we got a report of 5 XP tablets that could not use the > wireless network. These are 5 out of a group of 50 handheld tablets used in > our hospital by the doctors for charting, etc. All of these are imaged and > should be using the same image (and later reimaged to be sure). It turns out > that that these five machines can use every SSID on campus except for one – > their special one which uses WEP (no flames about WPA; we have tried to get > them to move, but they are doctors and know more than anyone else). Further > investigation has shown that these five machines never get an ARP entry > built for their default gateway. They can talk to other machines on their > subnet, but nothing outside. When a manual ARP entry is built for them, they > are fine. This problem has persisted across reboots and reimaging of these > five machines. > > > > Today we have received reports of other machines on campus who have similar > symptoms (we have yet to actually see one of them). They lose connectivity > on one SSID but are OK on all others. > > > > Has anyone else seen this? Can you give me a clue what to look for? > > > > > > Along with the MAC address strangeness, which we are seeing, this problem > has made for a very interesting few days. > > > > Thanks for any help you can offer. > > > > -jcw <image002.jpg> > > ------------------------------------------------------------ > John Watters The University of Alabama: OIT 205-348-3992 > > > ------------------------------ > > > Spam <https://antispam.osu.edu/b.php?i=1091954558&m=2a1c192503da&c=s> > Not spam <https://antispam.osu.edu/b.php?i=1091954558&m=2a1c192503da&c=n> > Forget previous > vote<https://antispam.osu.edu/b.php?i=1091954558&m=2a1c192503da&c=f> > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > > > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
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