Avaya DHCP BCM Rls 6.0 Uživatelský manuál stáhnout pdf (Strana 7)

DHCP

NN40011-027 Issue 1.2 BCM Rls 6.0 7

DHCP & VLANs

A VLAN is a Virtual LAN whereby connected devices appear to be on the

same physical network, although they may be geographically separated. This

configuration is dependant on a network device being capable of supporting

VLAN’s, and all VLAN information should be obtained from the network

administrator who looks after the VLAN devices.

The BCM is capable of creating up to 4 VLANs on the BCM50, and 8 VLANs

on the BCM450. This helps with network management, as it may not be

desirable to have IP Phones and PCs on the same logical network.

Configuring VLANs on the BCM itself affects DHCP in two main areas:

 Published IP Address: Creating VLANs results in a choice of selection

for the Published IP Address (i.e. either the Customer LAN, or one of

the VLANs). The Published IP Address should be the S1 Address in

the IP Terminal DHCP Options screen.

 Address Ranges: If VLANs are configured on the BCM, DHCP Address

Ranges can be configured to suit the VLAN network range. For

example, if a VLAN interface is configured with an address of

200.40.40.5, the BCM will allow an Address Range of 200.40.40.160 –

200.40.40.180 to be created.

Note: For more information about the Published IP Address, refer to the IP

Telephony Guide. For more information about VLANs, refer to the VLANs

Guide.

BCM50e Integrated Router

On the BCM50e models, it is possible to choose between using the DHCP

service on the main BCM unit, or the DHCP service on the router. There is an

option with the DHCP General Settings tab on BCM50e models to select

which DHCP Service to use. It is recommended that if VLANs are configured

on the BCM, the main BCM unit DHCP service is used, and the router DHCP

service is disabled.

For more information on the BCM50e router DHCP service, please refer to the

Router – LAN Settings Guide.

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Avaya DHCP BCM Rls 6.0 Uživatelský manuál Strana 7