I'm managing a dozen or so CentOS 6.2 VMs on Hyper-V (2008 R2) for our start-up. I'm not a Linux expert (I'm a Windows expert) but this is my bag nonetheless.
1. These VMs were on one host and networking was fine.
2. When the VMs were moved to another host, we ran into the MAC address / 70-persistent-net.rules problem. This was corrected by configuring each VM to use static MAC addresses in Hyper-V then edited 70-persistent-net.rules with the new, static MAC addresses.
3. The VMs were moved again, yet networking was dropped again despite 70-persistent-net.rules having the correct MAC address.
ifconfig looks like this:
I can get things working until I reboot if I: