Ammasso 1100 Betriebsanweisung PDF herunterladen (Seite 60)

There needs to be one entry for each MAC address in the "group" section of the file. A

sample dhcpd.conf configuration file is shown here:

authoritative;

ddns-update-style interim;

option domain-name "ammasso.com";

shared-network lab {

# cn0 subnet

subnet 10.40.48.0 netmask 255.255.240.0 {

option routers 10.40.48.1;

option broadcast-address 10.40.63.255;

option domain-name-servers 10.40.48.1;

option subnet-mask 255.255.240.0;

use-host-decl-names true;

host sqa-14-cn0 {

fixed-address 10.40.48.171;

hardware ethernet 00:0D:B2:00:06:72;

filename "/pxelinux.0";

}

7.6 Installing and Configuring a TFTP Server

You will need a TFTP (Trivial File Transfer Protocol) server that supports the "tsize"

option. The one we used is Peter Anvin's tftp server:

http://www.kernel.org/pub/software/network/tftp/tftp-hpa-

0.36.tar.gz

We recommend that you ensure that your external firewall blocks port 69 for both UDP and

TCP since tftp has no security.

We made a world readable directory /tftpboot for the TFTP daemon to serve files from.

To enable it on RedHat, which uses xinetd, we created /etc/xinetd.d/tftpd, with

the following contents:

service tftp

{

disable = no

socket_type = dgram

protocol = udp

wait = yes

user = root

server = /usr/local/sbin/in.tftpd

server_args = -s /tftpboot

port = 69

}

Restart xinetd after adding the daemon.

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Ammasso 1100 Betriebsanweisung Seite 60