Cisco Cisco Expressway Manual De Manutenção
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.
traversal, apply to both IP addresses; you cannot configure ports separately for each IP address.
Configuring a Traversal Client and Server
The basic steps in configuring a traversal client and server are as follows:
Step Description
On the Expressway-E, create a traversal server zone (this represents the incoming connection from the
Expressway-C). In the Username field, enter the Expressway-C’s authentication username.
Expressway-C). In the Username field, enter the Expressway-C’s authentication username.
On the Expressway-E, add the Expressway-C’s authentication username and password as credentials into
the local authentication database.
the local authentication database.
On the Expressway-C, create a traversal client zone (this represents the connection to the Expressway-E).
Enter the same authentication Username and Password as specified on the Expressway-E.
Configure all the modes and ports in the H.323 and SIP protocol sections to match identically those of the
traversal server zone on the Expressway-E.
traversal server zone on the Expressway-E.
Enter the Expressway-E’s IP address or FQDN in the Peer 1 address field.
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Cisco Expressway Administrator Guide
Firewall Traversal