DHCP option 161

David Ganor david at oliver-solutions.com
Thu Feb 9 08:58:12 UTC 2012


Just a thought (meaning I haven't test it myself.) - It seems the server
doesn't recognize "ftpserver", so maybe you should define it to map to
option 161 by:

 

option ftpserver code 161 = string;

 

And then use it, wherever you need, by:

 

option ftpserver "172.30.108.50"; 

 

 

HTH,

David Ganor

 

From: dhcp-users-bounces+david=oliver-solutions.com at lists.isc.org
[mailto:dhcp-users-bounces+david=oliver-solutions.com at lists.isc.org] On
Behalf Of Ryan Setiawan H
Sent: Thursday, February 09, 2012 5:48 AM
To: dhcp-users at lists.isc.org
Subject: DHCP option 161

 

Hi All,
    need help ... I'm using FreeBSD 8.2 with ISC DHCP 4.1.2-P1, I configure
2 server with failover.
    recently because of VDI piloting, we'll deploy many wyse thin client,
that load the config from FTP server ( NOT TFTP ). according to the wyse
manual book, the wyse FTP parameter could be set by DHCP option code 161.
I've googling how to add dhcp option 161. many answer exist, but none
work...
here some of them :
-->option ftpserver code 161 = 172.30.108.50;
Internet Systems Consortium DHCP Server 4.1.2-P1
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
/usr/local/etc/dhcpd.conf line 7: unknown data type 172
option ftpserver code 161 = 172.
                             ^
Configuration file errors encountered -- exiting

-->option ftpserver code 161 = "172.30.108.50";
/usr/local/etc/dhcpd.conf line 7: unknown data type 172.30.108.50
option ftpserver code 161 = "172.30.108.50"
                             ^
Configuration file errors encountered -- exiting

-->option ftpserver code 161 "172.30.108.50";  
/usr/local/etc/dhcpd.conf line 7: expecting "="
option ftpserver code 161 "172.30.108.50"
                           ^
Configuration file errors encountered -- exiting

-->option option-161 "172.30.108.50"; ( this is from the man 5 dhcp-options
)
/usr/local/etc/dhcpd.conf line 8: unknown option dhcp.option-161
option option-161 "172.30.108.50"
        ^
Configuration file errors encountered -- exiting

is there working configuration for this particular version ( 4.1.2-P1 )

See my full config :

authoritative;
ddns-update-style none;
default-lease-time 86400; #1 day
max-lease-time 604800; #1 week
option domain-name "xxx.com";
omapi-port 7911;


failover peer "dhcp-failover" {
  primary; # declare this to be the primary server
  address 192.168.13.151;
  port 647;
  peer address 192.168.28.151;
  peer port 647;
  max-response-delay 30;
  max-unacked-updates 10;
  load balance max seconds 3;
  mclt 1800;
  split 128;
}


shared-network BDG-AA-3-V200 {
        subnet 192.168.5.0 netmask 255.255.255.128 {
        option broadcast-address 192.168.5.127;
        option subnet-mask 255.255.255.128;
        option routers 192.168.5.1;
        option domain-name-servers 192.168.11.96, 192.168.11.69;
        option ntp-servers 192.168.11.19;
#       option ftpserver code 161 = 172.30.108.50;
#       option option-161 172.30.108.50;
#       option option-162 "pub/config";
        pool    {
                host me { hardware ethernet xx:xx:xx:20:1d:f4; fixed-address
192.168.5.14; option host-name "me"; } 
                range 192.168.5.31 192.168.5.125;
                failover peer "dhcp-failover";
                }
        }
}

Thanks,
Ryan Setiawan H

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