Configuring A Bootp Server - Cisco 7609 Configuration Manual
Cisco ios software configuration guide—12.1e
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Configuring the Cisco 7600 Series Router
Configuring a BOOTP Server
The Bootstrap Protocol (BOOTP) automatically assigns an IP address by adding the MAC and IP
addresses of the interface to the BOOTP server configuration file. When the router boots, it
automatically retrieves the IP address from the BOOTP server.
The router performs a BOOTP request only if the current IP address is set to 0.0.0.0. (This address is the
default address for a new router or a router that has had its startup-config file cleared using the erase
command.)
To allow your router to retrieve its IP address from a BOOTP server, you must first determine the MAC
address of the router and add that MAC address to the BOOTP configuration file on the BOOTP server.
To create a BOOTP server configuration file, follow these steps:
Step 1
Install the BOOTP server code on the workstation, if it is not already installed.
Step 2
Determine the MAC address from the label on the chassis.
Step 3
Add an entry in the BOOTP configuration file (usually /usr/etc/bootptab) for each router. Press Return
after each entry to create a blank line between each entry. See the example BOOTP configuration file
that follows in Step 4.
Step 4
Enter the reload command to reboot and automatically request the IP address from the BOOTP server.
This example BOOTP configuration file shows the added entry:
# /etc/bootptab: database for bootp server (/etc/bootpd)
#
# Blank lines and lines beginning with '#' are ignored.
#
# Legend:
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
<information deleted>
#
#########################################################################
# Start of individual host entries
#########################################################################
Router:
dross:
<information deleted>
Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E
3-14
first field -- hostname
(may be full domain name and probably should be)
hd -- home directory
bf -- bootfile
cs -- cookie servers
ds -- domain name servers
gw -- gateways
ha -- hardware address
ht -- hardware type
im -- impress servers
ip -- host IP address
lg -- log servers
lp -- LPR servers
ns -- IEN-116 name servers
rl -- resource location protocol servers
sm -- subnet mask
tc -- template host (points to similar host entry)
to -- time offset (seconds)
ts -- time servers
tc=netcisco0:
tc=netcisco0:
Chapter 3
Configuring the Cisco 7600 Series Router for the First Time
ha=0000.0ca7.ce00:
ha=00000c000139:
ip=172.31.7.97:
ip=172.31.7.26:
78-14064-04
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Troubleshooting
