On Mon, Sep 29, 2014 at 1:47 AM, Anthony K <akcentos at anroet.com> wrote: > Hi all. > > I'm trying to bring an Amazon VM into the LAN by following this guide > [0]. However, it appears that OpenSSH on either RHEL7 or CentOS7 is broken > as it is not creating tap interface but tun interface. I've tried this on > both CentOS5 and CentOS6 and they both work as advertised! Downgrading the > OS is not an option! > > > CentOS5/6 gives me: > ****************** > tap1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 500 > link/ether 9e:9e:44:9e:49:4c brd ff:ff:ff:ff:ff:ff > > CentOS7 gives me: > **************** > tun1: <POINTOPOINT,MULTICAST,NOARP> mtu 1500 qdisc noop state DOWN mode > DEFAULT qlen 500 > link/none > In your output, you have both TAP and TUN interfaces ... they are different. Briefly skimming content at the URL you are using as your reference, I see mention of using a TAP interface (which is no the case on your EL7 box). > > > So, what's broken in 7 - or is it that it requires something different? > Unless you can prove with further testing that something is actually broken, I expect this is nothing but a configuration error. Per the TUN/TAP comment of mine [0]. TUN is layer3 and TAP is layer2 of the OSI Model. [0] http://en.wikipedia.org/wiki/TUN/TAP -- ---~~.~~--- Mike // SilverTip257 //