DHCP option 161

Ryan Setiawan H ryan.setiawan at ocbcnisp.com
Thu Feb 9 03:47:33 UTC 2012


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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