TMS zl Management and Configuration Guide ST.1.1.100226

7-109
Virtual Private Networks
Configure an IPsec Site-to-Site VPN with IKE
Note Typically, the local addresses are internal addresses on your private
network while the local gateway address (which you configured in
the IKE policy) is the TMS zl Module’s public or external address. If,
however, for whatever reason the set of local addresses specified here
includes the local gateway address, you must create a Bypass policy
to exclude IKE traffic to and from the module from the VPN. Other-
wise the VPN cannot be established. See “Configure Bypass and Deny
IPsec Policies” on page 7-352.
c. Local Port is present if you selected TCP or UDP for Protocol. Type a
specific port for the service to which remote clients are allowed
access or leave the field blank (which allows traffic to any port).
d. For Remote Address, specify the addresses for all remote endpoints
allowed to send and receive traffic over the VPN (indicated by 4 in
the figure).
Do one of the following to specify remote addresses:
– Select Any to permit any IP address.
– Select the single-entry IP, range, or network address object that
you configured for endpoints behind the remote VPN gateway.
– Manually type an IP address, an IP address range, or a network
address in CIDR format.
e. Remote Port is present if you selected TCP or UDP for Service. Type the
port number for the service that you want to allow local endpoints to
access in the remote network. Or leave the field blank (which allows
traffic to any port).
f. If you selected ICMP for the protocol, for ICMP Type, select Any.
If you select Echo or Timestamp, the tunnel must use manual keying
instead of IKE. See “Configure an IPsec Site-to-Site VPN with Manual
Keying” on page 7-122.
9. For Proposal, select a previously configured IPsec proposal.
The IPsec proposal specifies the IPsec mode, IPsec protocol, and the
authentication and encryption algorithms that secure the VPN connec-
tion. See “Create an IPsec Proposal” on page 7-102.
10. Click Next.