When the Cisco Expressway-E is located in a DMZ between two separate firewalls on separate network segments, you need to use a dual-NIC Expressway-E with the Advanced Networking option key enabled. This will allow you to configure two network interfaces on the Expressway-E, one for each network segment. You can then configure the Expressway-E to act as a proxy server between the two networks, allowing calls to pass between the internal and external firewalls that make up your DMZ.
The following steps are required to configure a dual-NIC Expressway-E with the Advanced Networking option key enabled:
Install the Expressway-E software on the device.
Connect the Expressway-E to the two network segments using two separate network cables.
Log in to the Expressway-E web interface.
Go to the System > Network page.
Click the Add Interface button.
Select the Dual NIC option.
Enter the IP address, subnet mask, and gateway for each network interface.
Click the Save button.
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Testme1235
6 months, 3 weeks ago