Users Guide

Table Of Contents
DHCP and USB Auto-Configuration 601
1
Create a default config file for the switches named host.cfg. The host.cfg
file contains the path and name of the image file on the TFTP server
(option 125, sub-option 5). For information about creating configuration
files, see Images and File Management.
2
Upload the host.cfg file to the TFTP server.
3
Upload the image file to the TFTP server.
4
Configure an address pool on the DHCP server to contain the following
information:
a
The IP address (
yiaddr
) and subnet mask (option 1) to be assigned to
the interface
b
The IP address of a default gateway (option 3)
c
DNS server address (option 6)
d
Name of config file for each host
e
Identification of the TFTP server by hostname (DHCP option 66 or
the
sname
field in the DHCP header) or IP address (DHCP option
150 or the
siaddr
field in the DHCP header)
f
Name of the text file (option 125, the V-I vendor-specific Information
option) that contains the image file name and path.
For example, one might enter the following information:
00-00-02-A2 — Enterprise number 674. The number 674 in
hexadecimal notation is 00 00 02 A2.
0a — Data Length (10 decimal)
05 — Sub option code 5
08 — Sub option length (8 decimal)
Conversion of the file name from ACSII to hexadecimal
"host.cfg" - 68-6F-73-74-46-63-66-67
5
Connect a port (OOB port for out-of-band management or any switch port
that is a member of VLAN 1 for in-band management) on each switch to
the network.
6
Boot the switches.