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ARP issue: two interfaces inside VM resolves with same mac address during arp resuest.

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Hello, community!

 

I have problem with Virtual Machine running at VmWare Workstation.

 

You can see my networking in attached images.

I'm using vmnet1, which as you can see bridged to eth1 (of host machine). Host machine is GNU/Debian Linux

 

Also in images you can see

that first interface uses custom virtual network vmnet1 and has mac 00:0c:29:b4:0d:f2. It refers as eth0 inside vm.

and

that second interface also uses custom virtual network vmnet1 and has mac 00:0c:29:b4:0d:fc. It refers as eth1 inside vm.

 

Also you can see ifconfig for these interfaces.

 

The problem is: I can ping only second interface (eth1 with ip: 101.1.1.23). While pinging 101.1.1.22 (eth0) I got "request timeout".

As I investigated there is problem with ARP. Both interfaces resolve with same mac address (00:0c:29:b4:0d:fc)

 

After I flushed ARP table. I did ping to both ips (22 and 23)

 

I got in ARP table:

 

101.1.1.22 00:0c:29:b4:0d:fc

101.1.1.23 00:0c:29:b4:0d:fc

 

Why this happens and how to fix this issue?


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