Mac Address automatically changed [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 8 years ago. Improve this question In a network many servers and workstations and cameras DVR are working together but any instant the MAC address of … Read more

Is is possible to to make several different IP point to the same machine? [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 6 years ago. Improve this question If the answer is possible,how? DNS is not for this kind of job,obviously. UPDATE Can someone answer this question: domain … Read more

Why do we need logical addressing [duplicate]

This question already has answers here: Closed 9 years ago. Possible Duplicate: Why couldn’t MAC addresses be used instead of IPv4|6 for networking? If physical address or Mac address is unique why do we need logical addressing? This because the size and format of Mac address or physical address is different and logical address size … Read more

Connectivity issues when setting guest MAC to the same as the host MAC on ESXi 5

I am using VMWare ESXi 5. The ESXi 5 host has a NIC with the MAC XXXX:XXXX:XXXX I have created a console port for that card. I have added a new guest named COMP and manually assigned the MAC address of the physical NIC (XXXX:XXXX:XXXX – same as the NIC of the ESXi server). Now … Read more

IPv6 NAT information leakage [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago. Improve this question Edit: Since I was asked to edit this, I’ll ask about an awfully specific issue. … Read more

Cisco 2801 – ACL example to prevent certain users in same subnet from accessing certain devices [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question May be a simple answer, but does anyone have an example of an ACL that would prevent certain users (preferably based on MAC … Read more

What happens if a USB Ethernet Adapter has the same MAC address as the PC’s network card it is connected to?

What happens if a USB Ethernet Adapter has the same MAC address as the NIC? Is it possible for internet connection to pass through the usb-ethernet adapter succesfully or not, in that scenario? Answer A USB-to-Ethernet adapter is a NIC as well. Two NICs must not have the same MAC address when connected to the … Read more