
AM; Reviewed:
WCH 3/18/2004
Solution & Interoperability Test Lab Application Notes
© 2004 Avaya Inc. All Rights Reserved.
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Linux-DHCP.doc
1. Introduction
These Application Notes describe how to configure a Red Hat Linux 9 DHCP Server for Avaya
4600 Series IP Telephones. DHCP is a network protocol that provides a means by which
configuration parameters can be automatically assigned to 4600 Series IP Telephones on a
TCP/IP network, thus removing the need to individually assign and maintain IP addresses and
other parameters for each IP Telephone on the network.
The sample configuration depicted in Figure 1 uses separate Virtual Local Area Networks
(VLANs) for voice and data traffic. As a result, the DHCP configuration presented in these
Application Notes supports scenarios where the switch ports may connect to a computer, an IP
telephone, or an IP telephone with an attached computer. IEEE 802.1Q tagged VLAN ID 120
was used for the IP telephones, and untagged VLAN ID 130 was used for computers, whether
standalone, or attached to an IP Telephone.
Figure 1: Red Hat Linux DHCP Server – Avaya IP Telephone Configuration
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