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Configuring IP Addressing
IP Configuration
ip is the IP address to be assigned to the switch (or VLAN).
sm is the subnet mask of the subnet in which the switch (or VLAN) is installed.
gw is the IP address of the default gateway.
lg TFTP server address (source of final configuration file)
T144 is the vendor-specific “tag” identifying the configuration file to download.
vm is a required entry that specifies the Bootp report format. For the switches
described in this guide, set this parameter to rfc1048.
Note The above Bootp table entry is a sample that will work for the switch when
the appropriate addresses and file names are used.
Network Preparations for Configuring DHCP/Bootp
In its default configuration, the switch is configured for DHCP/Bootp opera-
tion. However, the DHCP/Bootp feature will not acquire IP addressing for the
switch unless the following tasks have already been completed:
■ For Bootp operation:
• A Bootp database record has already been entered into an appropriate
Bootp server.
• The necessary network connections are in place
• The Bootp server is accessible from the switch
■ 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, see the
chapter on Virtual LANs in the Advanced Traffic Management Guide..
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
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