TMS zl Management and Configuration Guide ST.1.2.100916

7-253
Virtual Private Networks
Configure a GRE over IPsec VPN with IKE
8. For Traffic Selector, configure these settings:
a. For Protocol, specify 47 (GRE).
b. For Local Address, specify the local gateway address for the GRE
tunnel (indicated by 1 in the figure and not the IP address on the tunnel
subnet).
Note You cannot specify an address object when the IPsec proposal spec-
ifies transport mode.
c. For Remote Address, specify the remote gateway address for the GRE
tunnel (indicated by 3 in the figure and not the IP address on the tunnel
subnet).
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 7-247.
10. Click Next.
Figure 7-222. Add IPsec Policy Window—Step 2 of 4