Configuring IP Addressing
IP Configuration
gw=10.66.77.1:\
lg=10.22.33.44:\
T144=”switch.cfg”:\
vm=rfc1048
where:
2520switch is a user-defined symbolic name to help you find the correct section of the
bootptab file. If you have multiple switches that will be using Bootp to get their
IP configuration, you should use a unique symbolic name for each switch.
ht is the “hardware type”. For the switches covered in this guide, enter ether (for
Ethernet). This tag must precede the ha tag.
ha is the “hardware address”. Use the switch's (or VLAN's) 12-digit MAC address.
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. Use rfc1048 for the
switches covered in this guide.
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:
â– 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
â– 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
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