Jose; We have no information on the model of Mac and the version of operating system on it. Older 7200s had garbage built-in ethernet ports. The solution was to buy an add-on NIC. So are the computers that are having problems in any way different from the ones that work? What model are they and what OS are they running?
> -----Original Message----- > From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 06, 2002 4:02 PM > To: [EMAIL PROTECTED] > Subject: RE: Appletalk Help [7:34079] > > > Are the AppleTalk nodes in the same hub as the router? Are > you sure there's > not a switch in the way somewhere? What's your topology? > > The problem I described is so common (just ask any Apple SE), > that I'm > still sticking to it as my theory. It's all I have to go on. > My crystal > ball crashed. > > Try using Cisco's troubleshooting method: > > 0. Document your network topology and protocols. > 1. Define the problem. > 2. Gather facts. > 3. Consider possibilities. > 4. Create an action plan. > 5. Implement the action plan. > 6. Observe the results. > 7. Do problem symptoms stop? > > If no, go back to 4 or possibly to 2. > If yes, problem resolved, document the facts. > > Priscilla > > At 11:50 AM 2/6/02, Quezada, Jose L wrote: > >Hi Priscilla, > > Thank you very much for the tips. Unfortunately, > they did not work. > >The Macintoshes are actually connected to a hub. Any other ideas. > > > >Thank you. > >Joe Quezada > > > >-----Original Message----- > >From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]] > >Sent: Friday, February 01, 2002 12:24 PM > >To: Quezada, Jose L; [EMAIL PROTECTED] > >Subject: Re: Appletalk Help [7:34079] > > > > > >Are the AppleTalk devices on a switch? This smells like a > portfast problem. > >Enable portfast on the switch ports, and I suspect the > problem will go away. > > > >I think that what's happening is that when the newly booted AppleTalk > >stations send their ZIPGetNetInfo packet to find out the > actual network > >number(s) and zone(s) for the segment, the switch is not yet > forwarding > >their packets. So they don't get through to the router. This > causes the > >stations to think they are on a non-routed network and to > stay with their > >startup network number in the 65,280-65,534 range. > > > >Later the stations send other broadcasts and the router sees > them and adds > >them to its ARP cache. > > > >As you may know already, a switch can take a couple minutes to start > >forwarding traffic as it works on pruning the topology into > a spanning > >tree. New Macintoshes boot way faster than this and can be > done with their > >initialization by the time the switch decides to forward > their traffic. The > >solution is to configure portfast (or the set port host > macro on high-end > >switches). These configurations cause the switch to start forwarding > >traffic immediately. > > > >HTH > > > >Priscilla > > > > > >At 12:24 PM 2/1/02, Quezada, Jose L wrote: > > >Hello all, > > > Please excuse my ignorance with Appletalk. We > currently have a > > >problem with some nodes running Appletalk. In the apple > arp table of our > > >router, they show up with an address such as 65280.128. > My understanding > >is > > >that when a node boots up, it is assigned a temporary > network address from > > >the range of 65280 to 65534. The router will then reply > with a valid cable > > >range. The fact that this network address shows up in the > arp table tells > >me > > >that the router can see the node. If that is the case, > what can I check to > > >find out why the router is not sending the valid cable > range. We have > other > > >nodes on the same network which are working correctly. We > have also move > >the > > >problem nodes to another network and they work properly. > What else can I > > >check? What tests can I do? > > > > > >Any help would be appreciated. > > > > > >Thanks. > > > > > >Joe Quezada > > >Electronic Data Systems > > >48 Walter Jones Blvd. > > >El Paso, TX 79906 > > >Phone: 915.783.7159 (8.955) > > >E-Mail: [EMAIL PROTECTED] > >________________________ > > > >Priscilla Oppenheimer > >http://www.priscilla.com > ________________________ > > Priscilla Oppenheimer > http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=34694&t=34079 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
