[ale] kvm port forwarding confusion, kindly help

[Narahari 'n' Savitha]

Never mind on the first question.  I figured that the host is a member of
the NAT network as well.

Port forwarding is still a mystery  though.
On Jun 2, 2015 8:04 PM, "Narahari 'n' Savitha" <savithari at gmail.com> wrote:

> Friends:
>
> I setup KVM and have created two VM's.  I also setup the NAT way of
> connecting (uffffff)
>
> Now I have some confusion.
>
> On the host, I can do
>
> ssh user at 192.168.100.101
>
> It connects.
>
> I also do
>
> ssh user at 192.168.100.102
>
> It connects
>
>
> As you can see both connect on port 22,   How is that possible ?  should I
> have to do some kind of port forwarding ?  How does KVM allow both VM's to
> run on port 22 ?
>
> ======================
>
> Secondly which is more important, for port forwarding to work so I can
> connect to the vm's directly
>
> Is IPTABLES the only way to set the host up to forward traffic ?
>
> or
>
> Can I use stuff specific to KVM where I can do port forwarding to specific
> vm ip's (5555 on host  forwards to 192.168.100.101 port 22 but 4444 on host
> forwards to 192.168.100.102) ?
>
> Virtual box and VMware allow this and there are nice tools to configure at
> the Hypervisor level.  Does KVM allow this thru KVM-NAT-CONFIG ?
>
> Most examples I have googled lead me to the IPTABLES approach and I sure
> there must be a different more simple non-monsterous (read iptables) way.
>
> Thank You for your time and attention.
>
> -N
>
>
>
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