L.S.,
I have a Zyxel NBG6716 router. When I connect my Windows 7 64-bit laptop to it I have no problem.
However, when I connect to my work through VPN (Cisco AnyConnect Secure Mobility Client version 3.1.04066) I get lots of MAC spoofing messages from Symantec Endpoint Protection. In the security logfile of Symantec Endpoint Protection I can see that the spoofing is done mostly from the ipadres and mac-address of the Zyxel router.
Sometimes a mac-address 00-11-22-33-44-55 appears in the Symantec log.
The exact message in Symantec : "Unsolicited incoming ARP reply detected, this is a kind of MAC spoofing that may consequently do harm to your computer.". The packet data is per mac-address the same.
When I disconnect my VPN, the messages do not appear anymore.
When I use the same VPN connection at my work, I do not get any messages in Symantec.
Can someone please help me solve this problem? It is a very annoying problem, because everytime my VPN connection is disrupted and I get thrown out of my server session.
Greetings,
Toine
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