reidpr wrote:Why do you believe the virtual NIC is working fine? If we can rule out VB problems, that would be great.
reidpr wrote:OK, I learned more. Apparently NAT often has trouble with ICMP packets.
mpack wrote:Well, my knowledge of networking protocols is limited, but ICMP messages are usually sent out of band, isn't that right? Meaning that they are not sent as one-for-one replies to request messages. In that case a NAT VM would not receive these messages unless you configured port forwarding.
mpack wrote:I assume you also have the guest firewall configured correctly to accept ICMP messages - actually I'm not familiar with Debian Wheezy, but recent Windows versions have ICMP disabled by default for security reasons (DoS attacks, network address probes).
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