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I have a WS-C2960X-48FPS-L 15.2(2)E9 that is ARPing for the very device connected to it. The ARP request originates from the very port the device is connected to. This is not the port just passing on an ARP request from something else. this is the...
I have a WS-C3850-48P 03.06.03E cat3k_caa-universalk9 INSTALL that shows the behavior of it's MAC address table being flushed every ~65 seconds.
The 3850 has 2 2960 stacks hanging off it on Ten1/1/3 and Ten1/1/4. I did a monitor session...
We have a few 3850's( w/lan based license ) in various buildings on campus that connect back to our core with 10Gb uplinks. We'd like to make a change so that each building is now a layer 3 boundary and use the 3850 to route by adding a static r...
The symptom is whenever a wireless clients generates a broadcast packet the WLCs pick it up and send it(capwap encapsulated) to each and every AP(Unicast) in every building. Such that a single client broadcast packet causes our WLCs to generate 100...
Allow me a little speculation We are seeing these ARP requests it seems for just those devices that are "off" but are still doing DHCP for Wake-on-LAN purpose. I'll guess these "discovery ARPs" are not needed for active devices as the switch can s...
The document you referenced mention another doc that described how to raise the logging level for "erroneous ARPs" to keep them from flooding the logs.
Thx for the reply but my question is why is it sending the ARP request at all? and it is doing so every 30-60 seconds. The issue it generates is the ARP Reply by the client. As the source IP was 0.0.0.0 the client is unable to unicast the reply but ...
