Cisco Cisco IOS Software Releases 12.1 EX
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Cisco IOS Release 12.1(5)XM2
H.323 Support for Virtual Interfaces
Feature History
This document describes the H.323 Support for Virtual Interfaces that was introduced in Cisco IOS
Release 12.1(2)T. This document contains the following sections:
Release 12.1(2)T. This document contains the following sections:
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Feature Overview
The H.323 Support for Virtual Interfaces feature allows users to configure the IP address of the gateway,
so that the IP address include in the H.323 packet is deterministic and consistently indicates the same
address for the source.
so that the IP address include in the H.323 packet is deterministic and consistently indicates the same
address for the source.
Benefits
In previous releases of the Cisco IOS software, the source address included in the H.323 packet could
vary depending on the protocol (RAS, H.225, H.245, or RTP). This makes it difficult to configure
firewall applications to work with H.323 messages.
vary depending on the protocol (RAS, H.225, H.245, or RTP). This makes it difficult to configure
firewall applications to work with H.323 messages.
The H.323 Support for Virtual Interfaces feature addresses that difficulty by allowing the user to
explicitly configure an IP address to be used for all protocols.
explicitly configure an IP address to be used for all protocols.
Release
Modification
12.1(2)T
This feature was introduced.
12.1(5)XM2
Support was added for the Cisco AS5350 and Cisco AS5400 universal
gateways.
gateways.