[Dnsmasq-discuss] dhcp-range as a set doesn't seem to work for me.

[David Cooper]

Hi all,

So my question is why does the enclosed config not work? It never seems to
activate any of the sets unless I use pxe boot.

Here is some background:

I have large network. I have 11 subnets that need a dhcp proxy. I have a
Network Access Control (NAC) application that has a very limited DHCP
implementation that must be used on the registration networks. When the
techs unbox a machine, and try to image, the machine isn't known by the NAC
so it stays in the registration network. I am trying to use dnsmasq to give
bootp options to a tftpboot solution on different servers (10.99.1.72,
10.99.2.61).

I use ubuntu 14.04 LTS but removed the pre installed dnsmasq. I compiled
tarball currently on the site (2.73) using make and make install. Then
modified the /etc/init.d/dnsmasq file so it found the new location of the
file.

I am trying not to use PXE but left the information in there for reference.
If I use PXE, dnsmasq works but the filename gets the label put on and the
client tries to download SMSBoot\x64\wdsnbp.com.0 which doesn't exist.

I left the dhcp-boot in as I thought that should work and seems to be
formatted correctly if I didn't want to put the servername in my local
hosts file.

I have also included the syslog entries for my last test run to show no
sets are being done.

*** Config ***

port=0

log-dhcp

dhcp-no-override

dhcp-range=set:South, 10.201.0.0, proxy, 255.255.0.0

dhcp-range=set:South, 10.202.0.0, proxy, 255.255.0.0

dhcp-range=set:South, 10.204.0.0, proxy, 255.255.0.0

dhcp-range=set:South, 10.205.0.0, proxy, 255.255.0.0

dhcp-range=set:South, 10.207.0.0, proxy, 255.255.0.0

dhcp-range=set:South, 10.212.0.0, proxy, 255.255.0.0

dhcp-option=tag:South, 66, "10.99.1.72"

dhcp-option=tag:South, 67, SMSBoot\x64\wdsnbp.com


#dhcp-boot=tag:South, SMSBoot\x64\wdsnbp.com,,10.99.1.72

#pxe-service=tag:South, X86PC, "Boot from network",SMSBoot\x64\wdsnbp.com
,10.99.1.72


dhcp-range=set:North, 10.206.0.0, proxy, 255.255.0.0

dhcp-range=set:North, 10.214.0.0, proxy, 255.255.0.0

dhcp-range=set:North, 10.216.0.0, proxy, 255.255.0.0

dhcp-range=set:North, 10.217.0.0, proxy, 255.255.0.0

dhcp-range=set:North, 10.219.0.0, proxy, 255.255.0.0

dhcp-boot=tag:North, SMSBoot\x64\wdsnbp.com, 10.99.2.61, 10.99.2.61


**** Syslog ****

Jul 16 15:02:39 fog-helper-s dnsmasq[25873]: started, version 2.73 DNS
disabled

Jul 16 15:02:39 fog-helper-s dnsmasq[25873]: compile time options: IPv6
GNU-getopt no-DBus no-i18n no-IDN DHCP DHCPv6 no-Lua TFTP no-conntrack
ipset auth no-DNSSEC loop-detect inotify

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.219.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.217.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.216.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.214.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.206.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.212.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.207.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.205.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.204.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.202.0.0

Jul 16 15:02:39 fog-helper-s dnsmasq-dhcp[25873]: DHCP, proxy on subnet
10.201.0.0

Jul 16 15:03:06 fog-helper-s dnsmasq-dhcp[25873]: 3115234045 available DHCP
subnet: 10.205.0.0/255.255.0.0

Jul 16 15:03:06 fog-helper-s dnsmasq-dhcp[25873]: 3115234045 vendor class:
PXEClient:Arch:00000:UNDI:002001

Jul 16 15:03:21 fog-helper-s dnsmasq-dhcp[25873]: 3081679613 available DHCP
subnet: 10.205.0.0/255.255.0.0

Jul 16 15:03:21 fog-helper-s dnsmasq-dhcp[25873]: 3081679613 vendor class:
PXEClient:Arch:00000:UNDI:002001

Jul 16 15:03:23 fog-helper-s dnsmasq-dhcp[25873]: 3098456829 available DHCP
subnet: 10.205.0.0/255.255.0.0

Jul 16 15:03:23 fog-helper-s dnsmasq-dhcp[25873]: 3098456829 vendor class:
PXEClient:Arch:00000:UNDI:002001

Jul 16 15:03:53 fog-helper-s dnsmasq-dhcp[25873]: 517559989 available DHCP
subnet: 10.205.0.0/255.255.0.0
-- 
David R. Cooper
Network Analyst
East Stroudsburg Area School District
http://www.esasd.net
david-cooper at esasd.net
570-424-8500 x10613

-- 

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