RTS DV-3400 Informações Técnicas descarregar pdf (Página 179)

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Configuring IP Addressing

IP Preserve: Retaining VLAN-1 IP Addressing Across Configuration File Downloads

■ For DHCP operation:

• A DHCP scope has been configured on the appropriate DHCP server.

• The necessary network connections are in place

• A DHCP server is accessible from the switch

Note Designating a primary VLAN other than the default VLAN affects the switch’s

use of information received via DHCP/Bootp. For more on this topic, refer to

the chapter describing VLANs in the Advanced Traffic Management Guide

for your switch.

After you reconfigure or reboot the switch with DHCP/Bootp enabled in a

network providing DHCP/Bootp service, the switch does the following:

■ Receives an IP address and subnet mask and, if configured in the server,

a gateway IP address and the address of a Timep server.

■ If the DHCP/Bootp reply provides information for downloading a config-

uration file, the switch uses TFTP to download the file from the designated

source, then reboots itself. (This assumes that the switch or VLAN has

connectivity to the TFTP file server specified in the reply, that the config-

uration file is correctly named, and that the configuration file exists in the

TFTP directory.)

IP Preserve: Retaining VLAN-1 IP

Addressing Across Configuration File

Downloads

For the switches covered in this guide, IP Preserve enables you to copy a

configuration file to multiple switches while retaining the individual IP

address and subnet mask on VLAN 1 in each switch, and the Gateway IP

address assigned to the switch. This enables you to distribute the same

configuration file to multiple switches without overwriting their individual IP

addresses.

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