Re: [Dnsmasq-discuss] Interface-name not injecting name into cache

[Eric Hiller]

I know this is a bit un-timely. But I wanted to reply so that this
information was publicly available.  For what seems an unknown reason to
me, the following will not work->

interface-name=wan,eth0
interface-name=lan,eth1

However this will->

interface-name=wan.domain.tld,eth0
interface-name=wan,eth0
interface-name=lan.domain.tld,eth1
interface-name=lan,eth1

As will this ->

interface-name=wan.domain.tld,eth0
interface-name=wan,eth0
interface-name=lan.domain.tld,eth1
interface-name=lan,eth1
interface-name=lan6,eth1/6
interface-name=lan4,eth1/4

So it appears you must at LEAST have the fqdn listed, then after that you
can have hostname-only as you please.

Hope that helps others.

Thanks
-Eric



On Tue, Oct 27, 2015 at 5:58 PM, Eric Luehrsen 
wrote:

> This a configuration for a router where eth0.1 and wifi are bridged to
> br-lan. br-lan is a proper interface as far as dnsmasq is concerned. Also
> note but not related, it is probably a good idea to use tags. Set a tag for
> each network range dhcp4 and dhcp6 with options.
>
> ###
> dhcp-authoritative
> domain-needed
> no-hosts
> localise-queries
> read-ethers
> bogus-priv
> expand-hosts
> local-service
> dhcp-generate-names
> ###
> cache-size=4000
> dns-forward-max=100
> dhcp-lease-max=250
> domain=lan
> server=/lan/
> min-port=16384
> ###
> dhcp-leasefile=/tmp/dhcp.leases
> resolv-file=/tmp/resolv.conf.auto
> addn-hosts=/tmp/hosts
> conf-dir=/tmp/dnsmasq.d
> ###
> stop-dns-rebind
> conf-file=/usr/share/dnsmasq/trust-anchors.conf
> dnssec
> dnssec-timestamp=/etc/dnsmasq.time
> ###
> interface-name=routername.lan,br-lan
> interface-name=routername,br-lan
> interface-name=ipv4.routername.lan,br-lan/4
>
> interface-name=ipv6.routername.lan,br-lan/6
>
> ###
> dhcp-range=set:lan,192.168.1.100,192.168.1.249,255.255.255.0,8h
>
> dhcp-option=tag:lan,option:ntp-server,0.0.0.0
>
> dhcp-option=tag:lan,252,"\n"
>
> dhcp-range=set:lan6,::1000,::,constructor:br-lan,slaac,ra-names,8h
> dhcp-option=tag:lan6,option6:ntp-server,[fd00::]
>
> dhcp-option=tag:lan6,option6:dns-server,[::]
> ra-param=br-lan,high,300,3600
> no-dhcp-interface=eth0.2
> ###
> enable-ra
> quiet-ra
> ###
>
>
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>
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Re: [Dnsmasq-discuss] Interface-name not injecting name into cache

[Eric Hiller]

(sorry for that delay, work's been crazy)

I did get it working by using FQDN format `sub.domain.tld` -->

interface-name=sub1.domain.tld,eth0
interface-name=sub2.domain.tld,br0

but just having `single` would never work. I noticed you had `single` as
well as `sub.domain.tld` set does `single` as well as the fully qualified
work?

I do not have domain= set because this DNS server is NOT the authoritative
server for that domain, so I want hosts that do not exist locally to be
queried upstream.

-Eric

On Tue, Oct 27, 2015 at 6:45 PM, Eric Luehrsen 
wrote:

> Someone should correct me if I am wrong, but the key lines are  the
> domain= and server=. This tells dnsmasq to make each host "hostname.lan"
> aliased with "hostname" and that dnsmasq should resolve all queries that
> imply the ".lan" domain via DHCP (or SLAAC-NAMES).
> domain=lanserver=/lan/
>
> --
> *From:* Eric Luehrsen 
> *Sent:* Tuesday, October 27, 2015 8:58 PM
> *To:* BIZ: DNSMASQ List
> *Subject:* [Dnsmasq-discuss] Interface-name not injecting name into cache
>
> This a configuration for a router where eth0.1 and wifi are bridged to
> br-lan. br-lan is a proper interface as far as dnsmasq is concerned. Also
> note but not related, it is probably a good idea to use tags. Set a tag for
> each network range dhcp4 and dhcp6 with options.
>
> ###
> dhcp-authoritative
> domain-needed
> no-hosts
> localise-queries
> read-ethers
> bogus-priv
> expand-hosts
> local-service
> dhcp-generate-names
> ###
> cache-size=4000
> dns-forward-max=100
> dhcp-lease-max=250
> domain=lan
> server=/lan/
> min-port=16384
> ###
> dhcp-leasefile=/tmp/dhcp.leases
> resolv-file=/tmp/resolv.conf.auto
> addn-hosts=/tmp/hosts
> conf-dir=/tmp/dnsmasq.d
> ###
> stop-dns-rebind
> conf-file=/usr/share/dnsmasq/trust-anchors.conf
> dnssec
> dnssec-timestamp=/etc/dnsmasq.time
> ###
> interface-name=routername.lan,br-lan
> interface-name=routername,br-lan
> interface-name=ipv4.routername.lan,br-lan/4
>
> interface-name=ipv6.routername.lan,br-lan/6
>
> ###
> dhcp-range=set:lan,192.168.1.100,192.168.1.249,255.255.255.0,8h
>
> dhcp-option=tag:lan,option:ntp-server,0.0.0.0
>
> dhcp-option=tag:lan,252,"\n"
>
> dhcp-range=set:lan6,::1000,::,constructor:br-lan,slaac,ra-names,8h
> dhcp-option=tag:lan6,option6:ntp-server,[fd00::]
>
> dhcp-option=tag:lan6,option6:dns-server,[::]
> ra-param=br-lan,high,300,3600
> no-dhcp-interface=eth0.2
> ###
> enable-ra
> quiet-ra
> ###
>
>
> ___
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> Dnsmasq-discuss@lists.thekelleys.org.uk
> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>
>
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Re: [Dnsmasq-discuss] Interface-name not injecting name into cache

[Eric Luehrsen]

Someone should correct me if I am wrong, but the key lines are  the domain= and 
server=. This tells dnsmasq to make each host "hostname.lan" aliased with 
"hostname" and that dnsmasq should resolve all queries that imply the ".lan" 
domain via DHCP (or SLAAC-NAMES).
domain=lanserver=/lan/


From: Eric Luehrsen 
Sent: Tuesday, October 27, 2015 8:58 PM
To: BIZ: DNSMASQ List
Subject: [Dnsmasq-discuss] Interface-name not injecting name into cache

This a configuration for a router where eth0.1 and wifi are bridged to br-lan. 
br-lan is a proper interface as far as dnsmasq is concerned. Also note but not 
related, it is probably a good idea to use tags. Set a tag for each network 
range dhcp4 and dhcp6 with options.

###
dhcp-authoritative
domain-needed
no-hosts
localise-queries
read-ethers
bogus-priv
expand-hosts
local-service
dhcp-generate-names
###
cache-size=4000
dns-forward-max=100
dhcp-lease-max=250
domain=lan
server=/lan/
min-port=16384
###
dhcp-leasefile=/tmp/dhcp.leases
resolv-file=/tmp/resolv.conf.auto
addn-hosts=/tmp/hosts
conf-dir=/tmp/dnsmasq.d
###
stop-dns-rebind
conf-file=/usr/share/dnsmasq/trust-anchors.conf
dnssec
dnssec-timestamp=/etc/dnsmasq.time
###
interface-name=routername.lan,br-lan
interface-name=routername,br-lan
interface-name=ipv4.routername.lan,br-lan/4

interface-name=ipv6.routername.lan,br-lan/6

###

dhcp-range=set:lan,192.168.1.100,192.168.1.249,255.255.255.0,8h

dhcp-option=tag:lan,option:ntp-server,0.0.0.0

dhcp-option=tag:lan,252,"\n"

dhcp-range=set:lan6,::1000,::,constructor:br-lan,slaac,ra-names,8h

dhcp-option=tag:lan6,option6:ntp-server,[fd00::]

dhcp-option=tag:lan6,option6:dns-server,[::]

ra-param=br-lan,high,300,3600
no-dhcp-interface=eth0.2
###
enable-ra
quiet-ra
###

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