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RV042G arp response

Unanswered Question
Jun 8th, 2014
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WAN1-address 10.0.0.140, 255.255.255.0, MAC xx.xx.xx.xx.xx.25

LAN1-adress 192.168.2.140, 255.255.255.0, MAC xx.xx.xx.xx.xx.24

When both interfaces are connected to the SAME physical network, the ip-address 10.0.0.140 resolves to MAC-address xx.24 while I would expect it would resolve to xx.25.

Is this behavior correct or is this a bug?

 

Any suggestions?

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chrebert Mon, 06/09/2014 - 16:52
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Hello,

Why are you connecting the WAN and LAN to the same network?  These devices are not meant to work like that.  I can't tell you if that is a bug or not, but my guess would be the router sees a packet bound for one of it's interfaces, says "Hey that's me too" and answers out the same port the request came in on.

What exactly are you trying to accomplish?

-----------

Christopher Ebert - Advanced Network Support Engineer

Cisco Small Business Support Center

nikotel01 Tue, 06/10/2014 - 14:29
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The RV042G is behind an internet router with NAT.

The local addresses are 10.0.0.x (and thus all systems route through the router with NAT).

To create a VPN with address 192.168.2.140 I am using the RV042G's LAN interface.

The WAN is at the 10.0.0.x address.

 

Unfortunately both are at the same physical network.

 

 

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