MIssing internet in guest WIN10 mashine.

[rzaprianov]

Hi there. I get "Unidentified network" error and can not install the win10 guest. Here is the code for the NAT:
<network connections="1"> <name>default</name> <uuid>5cda459a-d40f-4123-8873-782d5cd56959</uuid> <forward mode="nat"> <nat> <port start="1024" end="65535"/> </nat> </forward> <bridge name="virbr0" stp="on" delay="0"/> <mac address="52:54:00:bb:19:22"/> <domain name="default"/> <ip address="192.168.100.1" netmask="255.255.255.0"> <dhcp> <range start="192.168.100.128" end="192.168.100.254"/> </dhcp> </ip> </network>
When I ping 192.168.100.1 it work perfect, but when I ping any of the IP's from the range start="192.168.100.128" end="192.168.100.254" I get error:
ping 192.168.100.128 PING 192.168.100.128 (192.168.100.128) 56(84) bytes of data. From 192.168.100.1 icmp_seq=1 Destination Host Unreachable From 192.168.100.1 icmp_seq=5 Destination Host Unreachable
Any ideas what can cause that problem? I try to off the iptables and again have the same error, soo it is not the firewall.