vpn server windows - vpn client linux

[dzek]

Good afternoon.
How to configure receiving IPv4 in Linux client?
on the DHCP server gives network 192.168.30.0/24

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VPN Client>AccountList
AccountList command - Get List of VPN Connection Settings
Item |Value
----------------------------+---------------------------------------------
VPN Connection Setting Name |vpn-start
Status |Connecting
VPN Server Hostname |192.168.20.10:5555 (Direct TCP/IP Connection)
Virtual Hub |DEFAULT
Virtual Network Adapter Name|VPN
The command completed successfully.

VPN Client>
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root@proxy:~/0/softether-vpnclient-v4.19-9578-beta-2015.09.15-linux-x64-64bit/vpnclient# ifconfig vpn_vpn
vpn_vpn Link encap:Ethernet HWaddr 00:ac:7e:58:55:20
inet6 addr: fe80::2ac:7eff:fe58:5520/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

root@proxy:~/0/softether-vpnclient-v4.19-9578-beta-2015.09.15-linux-x64-64bit/vpnclient#

[dzek]

close

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root@proxy:/etc/network# cat interfaces
.....
allow-hotplug vpn_vpn
iface vpn_vpn inet dhcp

root@proxy:/etc/network# ifconfig vpn_vpn
vpn_vpn Link encap:Ethernet HWaddr 00:ac:7e:58:55:20
inet addr:192.168.30.12 Bcast:192.168.30.255 Mask:255.255.255.0
inet6 addr: fe80::2ac:7eff:fe58:5520/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:87 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:8542 (8.3 KiB) TX bytes:6656 (6.5 KiB)

root@proxy:/etc/network#