ZyWALL 2 Series User’s Guide
VPN/IPSec Setup
37-9
Table 37-2 Menu 27.1.1: IPSec Setup
FIELD DESCRIPTION
EXAMPLE
Local
Local IP addresses must be static and correspond to the remote IPSec
router's configured remote IP addresses.
Two active SAs can have the same configured local or remote IP address,
but not both. You can configure multiple SAs between the same local and
remote IP addresses, as long as only one is active at any time.
In order to have more than one active rule with the
Secure Gateway
Address
field set to
0.0.0.0
, the ranges of the local IP addresses cannot
overlap between rules.
If you configure an active rule with
0.0.0.0
in the
Secure Gateway
Address
field and the LAN’s full IP address range as the local IP address,
then you cannot configure any other active rules with the
Secure Gateway
Address
field set to
0.0.0.0
.
Addr Type Press [SPACE BAR] to choose
SINGLE
,
RANGE
, or
SUBNET
and press
[ENTER]. Select
SINGLE
with a single IP address. Select
RANGE
for a
specific range of IP addresses. Select
SUBNET
to specify IP addresses on
a network by their subnet mask.
SINGLE
IP Addr Start When the
Addr Type
field is configured to
Single
, enter a static IP
address on the LAN behind your ZyWALL.
When the
Addr Type
field is configured to
Range
, enter the beginning
(static) IP address, in a range of computers on your LAN behind your
ZyWALL.
When the
Addr Type
is configured to
SUBNET
, this is a (static) IP
address on the LAN behind your ZyWALL.
192.168.1.35
End/Subnet
Mask
When the
Addr Type
field is configured to
Single
, this field is
N/A
.
When the
Addr Type
field is configured to
Range
, enter the end (static) IP
address, in a range of computers on the LAN behind your ZyWALL.
When the
Addr Type
field is configured to
SUBNET
, this is a subnet mask
on the LAN behind your ZyWALL.
192.168.1.38
Port Start 0 is the default and signifies any port. Type a port number from 0 to 65535.
You cannot create a VPN tunnel if you try to connect using a port number
that does not match this port number or range of port numbers.
Some of the most common IP ports are: 21, FTP; 53, DNS; 23, Telnet; 80,
HTTP; 25, SMTP; 110, POP3
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