Cisco Cisco Expressway Manuel De Maintenance
located in a DMZ that consists of two separate networks - an inner DMZ and an outer DMZ - and your
network is configured to prevent direct communication between the two.
network is configured to prevent direct communication between the two.
With the LAN 2 interface enabled, you can configure the Expressway with two separate IP addresses, one
for each network in the DMZ. Your Expressway then acts as a proxy server between the two networks,
allowing calls to pass between the internal and outer firewalls that make up your DMZ.
for each network in the DMZ. Your Expressway then acts as a proxy server between the two networks,
allowing calls to pass between the internal and outer firewalls that make up your DMZ.
When Advanced Networking is enabled, all ports configured on the Expressway, including those relating to
firewall traversal, apply to both IP addresses; you cannot configure ports separately for each IP address.
firewall traversal, apply to both IP addresses; you cannot configure ports separately for each IP address.
Cisco Expressway Administrator Guide (X8.2)
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Firewall traversal
About firewall traversal