Ping between windows 7 host and colinux guest fails when using ndis-bridge.
My configuration and environment:
Firewall = off
Network adapter: Realtek PCIe GBE Family Controller
A running wireshark on windows host has shown the incomming icmp packets and also the outgoing replys. Nevertheless, they are not going to bee seen on my linux guest system. Same is the other way round, ping from windows to linux won't work. The only way round it has been to add an additional slirp connection between host and guest, but this is a bit slow.