os2-wireless_users@2rosenthals.com Messaggio archiviato #5487 messaggio precedente messaggio successivo torna alla lista

Da: "Lewis G Rosenthal" <os2-wireless_users@2rosenthals.com> Intestazioni complete
Messaggio non codificato
Mittente: "OS/2 Wireless Users Mailing List" <os2-wireless_users@2rosenthals.com>
Oggetto: Re: [OS2Wireless] OT: Switch problem
Data: Thu, 06 Dec 2007 11:16:51 -0500
A: "OS/2 Wireless Users Mailing List" <os2-wireless_users@2rosenthals.com>

On 12/06/07 07:54 am, Sam Lewis thus wrote :
What I have seen before is that these so called smart ethernet switches build and arp table.  When you plug a device into a different port or switch, as in your case, the switch is still only forwarding traffic for that MAC address to the original port.  This table has a time to live before it re-arp's everything and rebuilds the table.  Try power cycling both the switch and router.

Some switchs detect the cable disconnect and re-arp and some don't.

Excellent point, Sam. I should have thought of that. I mainly work with unmanaged switches which do not maintain arp tables.

Jeff, please follow up when you get a chance to try soem of these things. :-)

--
Lewis
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Lewis G Rosenthal, CNA, CLP, CLE
Rosenthal & Rosenthal, LLC
Accountants / Network Consultants
 New York / Northern Virginia           www.2rosenthals.com
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Need a managed Wi-Fi hotspot?               www.hautspot.com
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