Hi James, I probably asked you the previous time, but have you tried without: interface=eth1 So use dnsmasq without any config changes.
Also are you sure your interfaces are up and configured? (ip -s addr) Eric > Hi, > > > A few months ago I asked this question and started getting some help but > I've not had the time to complete it. > > > Anyway, the last thing that happened was that I as advised to install the > latest version of dnsmasq.lrp (by Eric, in mid-July, sorry Eric), which I > have done now. > > Version: 2.27 Rev 3 > > > It has made no difference, I'm still getting the following error message: > > > ----- > > > Starting caching dns forwarder: dnsmasq: failed to find list of > interfaces: Cannot assign requested address > > > The command failed. Usually this is due to an > error in the configuration file. > > ----- > > > Here is /etc/dnsmasq.conf > > > ----- > > > # Configuration file for dnsmasq. > # > # Format is one option per line, legal options are the same > # as the long options legal on the command line. See > # "/usr/sbin/dnsmasq --help" or "man 8 dnsmasq" for details. > > > # The following two options make you a better netizen, since they > # tell dnsmasq to filter out queries which the public DNS cannot > # answer, and which load the servers (especially the root servers) > # uneccessarily. If you have a dial-on-demand link they also stop > # these requests from bringing up the link uneccessarily. > > > # Never forward plain names (without a dot or domain part) > domain-needed # Never forward addresses in the non-routed address spaces. > bogus-priv > > > # Uncomment this to filter useless windows-originated DNS requests > # which can trigger dial-on-demand links needlessly. > # Note that (amongst other things) this blocks all SRV requests, > # so don't use it if you use eg Kerberos. > # This option only affects forwarding, SRV records originating for > # dnsmasq (via srv-host= lines) are not suppressed by it. > #filterwin2k > > > # Change this line if you want dns to get its upstream servers from > # somewhere other that /etc/resolv.conf > #resolv-file > # By default, dnsmasq will send queries to any of the upstream > # servers it knows about and tries to favour servers to are known > # to be up. Uncommenting this forces dnsmasq to try each query > # with each server strictly in the order they appear in > # /etc/resolv.conf > #strict-order > > > # If you don't want dnsmasq to read /etc/resolv.conf or any other > # file, getting its servers from this file instead (see below), then > # uncomment this > #no-resolv > > > # If you don't want dnsmasq to poll /etc/resolv.conf or other resolv > # files for changes and re-read them then uncomment this. > #no-poll > > > # Add other name servers here, with domain specs if they are for > # non-public domains. > #server=/localnet/192.168.0.1 > > > # Add local-only domains here, queries in these domains are answered > # from /etc/hosts or DHCP only. > #local=/localnet/ > > > # Add domains which you want to force to an IP address here. > # The example below send any host in doubleclick.net to a local > # webserver. > #address=/doubleclick.net/127.0.0.1 > > > # If you want dnsmasq to change uid and gid to something other > # than the default, edit the following lines. > #user#group > # If you want dnsmasq to listen for DHCP and DNS requests only on > # specified interfaces (and the loopback) give the name of the > # interface (eg eth0) here. > # Repeat the line for more than one interface. > interface=eth1 # Or you can specify which interface _not_ to listen on > #except-interface# Or which to listen on by address (remember to include > 127.0.0.1 if > # you use this.) > #listen-address# If you want dnsmasq to provide only DNS service on an > interface, # configure it as shown above, and then use the following line > to # disable DHCP on it. > #no-dhcp-interface > # On systems which support it, dnsmasq binds the wildcard address, > # even when it is listening on only some interfaces. It then discards > # requests that it shouldn't reply to. This has the advantage of > # working even when interfaces come and go and change address. If you > # want dnsmasq to really bind only the interfaces it is listening on, > # uncomment this option. About the only time you may need this is when > # running another nameserver on the same machine. > #bind-interfaces > > > # If you don't want dnsmasq to read /etc/hosts, uncomment the > # following line. > #no-hosts > # or if you want it to read another file, as well as /etc/hosts, use > # this. > #addn-hosts=/etc/banner_add_hosts > > > # Set this (and domain: see below) if you want to have a domain > # automatically added to simple names in a hosts-file. > #expand-hosts > > > # Set the domain for dnsmasq. this is optional, but if it is set, it > # does the following things. > # 1) Allows DHCP hosts to have fully qualified domain names, as long > # as the domain part matches this setting. > # 2) Sets the "domain" DHCP option thereby potentially setting the > # domain of all systems configured by DHCP > # 3) Provides the domain part for "expand-hosts" > domain=private.network > > # Uncomment this to enable the integrated DHCP server, you need > # to supply the range of addresses available for lease and optionally > # a lease time. If you have more than one network, you will need to > # repeat this for each network on which you want to supply DHCP > # service. > #dhcp-range=192.168.1.1,192.168.1.199,12h > > > # This is an example of a DHCP range where the netmask is given. This > # is needed for networks we reach the dnsmasq DHCP server via a relay > # agent. If you don't know what a DHCP relay agent is, you probably > # don't need to worry about this. > #dhcp-range=192.168.0.50,192.168.0.150,255.255.255.0,12h > > > # This is an example of a DHCP range with a network-id, so that > # some DHCP options may be set only for this network. > #dhcp-range=red,192.168.0.50,192.168.0.150 > > > # Supply parameters for specified hosts using DHCP. There are lots > # of valid alternatives, so we will give examples of each. Note that > # IP addresses DO NOT have to be in the range given above, they just > # need to be on the same network. The order of the parameters in these > # do not matter, it's permissble to give name,adddress and MAC in any > order > > # Always allocate the host with ethernet address 11:22:33:44:55:66 > # The IP address 192.168.0.60 > #dhcp-host=11:22:33:44:55:66,192.168.0.60 > > > # Always set the name of the host with hardware address > # 11:22:33:44:55:66 to be "fred" > #dhcp-host=11:22:33:44:55:66,fred > > > # Always give the host with ethernet address 11:22:33:44:55:66 > # the name fred and IP address 192.168.0.60 and lease time 45 minutes > #dhcp-host=11:22:33:44:55:66,fred,192.168.0.60,45m > > > # Give the machine which says it's name is "bert" IP address > # 192.168.0.70 and an infinite lease > #dhcp-host=bert,192.168.0.70,infinite > > > # Always give the host with client identifier 01:02:02:04 > # the IP address 192.168.0.60 > #dhcp-host=id:01:02:02:04,192.168.0.60 > > > # Always give the host with client identifier "marjorie" > # the IP address 192.168.0.60 > #dhcp-host=id:marjorie,192.168.0.60 > > > # Enable the address given for "judge" in /etc/hosts > # to be given to a machine presenting the name "judge" when > # it asks for a DHCP lease. > #dhcp-host=judge > > > # Never offer DHCP service to a machine whose ethernet > # address is 11:22:33:44:55:66 > #dhcp-host=11:22:33:44:55:66,ignore > > > # Ignore any client-id presented by the machine with ethernet > # address 11:22:33:44:55:66. This is useful to prevent a machine > # being treated differently when running under different OS's or > # between PXE boot and OS boot. > #dhcp-host=11:22:33:44:55:66,id:* > > > # Send extra options which are tagged as "red" to > # the machine with ethernet address 11:22:33:44:55:66 > #dhcp-host=11:22:33:44:55:66,net:red > > > # Send extra options which are tagged as "red" to > # any machine with ethernet address starting 11:22:33: > #dhcp-host=11:22:33:*:*:*,net:red > > > # Send extra options which are tagged as "red" to any machine whose > # DHCP vendorclass string includes the substring "Linux" > #dhcp-vendorclass=red,Linux > > > # Send extra options which are tagged as "red" to any machine one > # of whose DHCP userclass strings includes the substring "accounts" > #dhcp-userclass=red,accounts > > > # Send extra options which are tagged as "red" to any machine whose > # MAC address matches the pattern. > #dhcp-mac=red,00:60:8C:*:*:* > > > # If this line is uncommented, dnsmasq will read /etc/ethers and act > # on the ethernet-address/IP pairs found there just as if they had > # been given as --dhcp-host options. Useful if you keep > # MAC-address/host mappings there for other purposes. > #read-ethers > > > # Send options to hosts which ask for a DHCP lease. > # See RFC 2132 for details of available options. > # Note that all the common settings, such as netmask and > # broadcast address, DNS server and default route, are given > # sane defaults by dnsmasq. You very likely will not need any > # any dhcp-options. If you use Windows clients and Samba, there > # are some options which are recommended, they are detailed at the > # end of this section. > # For reference, the common options are: > # subnet mask - 1 > # default router - 3 > # DNS server - 6 > # broadcast address - 28 > > > # Override the default route supplied by dnsmasq, which assumes the > # router is the same machine as the one running dnsmasq. > #dhcp-option=3,1.2.3.4 > > > # Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5 > #dhcp-option=42,192.168.0.4,10.10.0.5 > > > # Set the NTP time server address to be the same machine as > # is running dnsmasq > #dhcp-option=42,0.0.0.0 > > > # Set the NIS domain name to "welly" > #dhcp-option=40,welly > > > # Set the default time-to-live to 50 > #dhcp-option=23,50 > > > # Set the "all subnets are local" flag > #dhcp-option=27,1 > > > # Send the etherboot magic flag and then etherboot options (a string). > #dhcp-option=128,e4:45:74:68:00:00 > #dhcp-option=129,NIC=eepro100 > > > # Specify an option which will only be sent to the "red" network > # (see dhcp-range for the declaration of the "red" network) > #dhcp-option=red,42,192.168.1.1 > > > # The following DHCP options set up dnsmasq in the same way as is > specified # for the ISC dhcpcd in > # > http://www.samba.org/samba/ftp/docs/textdocs/DHCP-Server-Configuration.tx > t # adapted for a typical dnsmasq installation where the host running > # dnsmasq is also the host running samba. > # you may want to uncomment them if you use Windows clients and Samba. > #dhcp-option=19,0 # option ip-forwarding off > #dhcp-option=44,0.0.0.0 # set netbios-over-TCP/IP nameserver(s) aka > WINS server(s) > #dhcp-option=45,0.0.0.0 # netbios datagram distribution server > #dhcp-option=46,8 # netbios node type > #dhcp-option=47 # empty netbios scope. > > > # Send RFC-3397 DNS domain search DHCP option. WARNING: Your DHCP client > # probably doesn't support this...... > #dhcp-option=119,eng.apple.com,marketing.apple.com > > > # Send RFC-3442 classless static routes (note the netmask encoding) > #dhcp-option=121,192.168.1.0/24,1.2.3.4,10.0.0.0/8,5.6.7.8 > > > # Send encapsulated vendor-class specific options. The vendor-class > # is sent as DHCP option 60, and all the options marked with the > # vendor class are send encapsulated in DHCP option 43. The meaning of > # the options is defined by the vendor-class. This example sets the > # mtftp address to 0.0.0.0 for PXEClients > #dhcp-option=vendor:PXEClient,1,0.0.0.0 > > > # Set the boot filename and tftpd server name and address > # for BOOTP. You will only need this is you want to > # boot machines over the network. > #dhcp-boot=/var/ftpd/pxelinux.0,boothost,192.168.0.3 > > > # Set the limit on DHCP leases, the default is 150 > #dhcp-lease-max=150 > > > # The DHCP server needs somewhere on disk to keep its lease database. > # This defaults to a sane location, but if you want to change it, use > # the line below. > #dhcp-leasefile=/var/lib/misc/dnsmasq.leases > > > # Set the DHCP server to authoritative mode. In this mode it will barge > in # and take over the lease for any client which broadcasts on the > network, # whether it has a record of the lease or not. This avoids long > timeouts # when a machine wakes up on a new network. DO NOT enable this if > there's # the slighest chance that you might end up accidentally > configuring a DHCP # server for your campus/company accidentally. The ISC > server uses the same # the same option, and this URL provides more > information: > # http://www.isc.org/index.pl?/sw/dhcp/authoritative.php > #dhcp-authoritative > > > # Set the cachesize here. > #cache-size=150 > > > # If you want to disable negative caching, uncomment this. > #no-negcache > > > # Normally responses which come form /etc/hosts and the DHCP lease > # file have Time-To-Live set as zero, which conventionally means > # do not cache further. If you are happy to trade lower load on the > # server for potentially stale date, you can set a time-to-live (in > # seconds) here. > #local-ttl > # If you want dnsmasq to detect attempts by Verisign to send queries > # to unregistered .com and .net hosts to its sitefinder service and > # have dnsmasq instead return the correct NXDOMAIN response, uncomment > # this line. You can add similar lines to do the same for other > # registries which have implemented wildcard A records. > #bogus-nxdomain=64.94.110.11 > > > # If you want to fix up DNS results from upstream servers, use the > # alias option. This only works for IPv4. > # This alias makes a result of 1.2.3.4 appear as 5.6.7.8 > #alias=1.2.3.4,5.6.7.8 > # and this maps 1.2.3.x to 5.6.7.x > #alias=1.2.3.0,5.6.7.0,255.255.255.0 > > > > # Change these lines if you want dnsmasq to serve MX records. > > > # Return an MX record named "maildomain.com" with target > # servermachine.com and preference 50 > #mx-host=maildomain.com,servermachine.com,50 > > > # Set the default target for MX records created using the localmx option. > #mx-target=servermachine.com > > > # Return an MX record pointing to the mx-target for all local > # machines. > #localmx > > > # Return an MX record pointing to itself for all local machines. > #selfmx > > > # Change the following lines if you want dnsmasq to serve SRV > # records. These are useful if you want to serve ldap requests for > # Active Directory and other windows-originated DNS requests. > # See RFC 2782. > # You may add multiple srv-host lines. > # The fields are <name>,<target>,<port>,<priority>,<weight> > # If the domain part if missing from the name (so that is just has the > # service and protocol sections) then the domain given by the domain# > config option is used. (Note that expand-hosts does not need to be # set > for this to work.) > > # A SRV record sending LDAP for the example.com domain to > # ldapserver.example.com port 289 > #srv-host=_ldap._tcp.example.com,ldapserver.example.com,389 > > > # A SRV record sending LDAP for the example.com domain to > # ldapserver.example.com port 289 (using domain=) > #domain=example.com > #srv-host=_ldap._tcp,ldapserver.example.com,389 > > > # Two SRV records for LDAP, each with different priorities > #srv-host=_ldap._tcp.example.com,ldapserver.example.com,389,1 > #srv-host=_ldap._tcp.example.com,ldapserver.example.com,389,2 > > > # A SRV record indicating that there is no LDAP server for the domain > # example.com > #srv-host=_ldap._tcp.example.com > > > > # Change the following lines to enable dnsmasq to serve TXT records. > # These are used for things like SPF and zeroconf. (Note that the > # domain-name expansion done for SRV records _does_not > # occur for TXT records.) > > > #Example SPF. > #txt-record=example.com,v=spf1 a -all > > > #Example zeroconf > #txt-record=_http._tcp.example.com,name=value,paper=A4 > > > > # For debugging purposes, log each DNS query as it passes through > # dnsmasq. > #log-queries > > > # Include a another lot of configuration options. > #conf-file=/etc/dnsmasq.more.conf > > > ----- > > > many Thanks, > > James. > > > Please ignore all the junk after this line... ¬.¬ > > > > The information in this email is confidential and may be legally > privileged. It is intended solely for the addressee. 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