Another way is to set your dnsmasq server to be the DNS server for DHCP, and use /etc/resolv.conf on the dnsmasq server to specify your list of DNS servers. That way you can easily change DNS (and set aliases) without having to wait for DHCP renewal - just either restart or kill -HUP dnsmasq to reload the config.
There are some extra options in the web interface for DNSMasq that you can set by entering them in Additional DNSMasq Options on the "Services" tab. If you wish to pass through the DNS servers from your ISP, you can use the following parameters: dhcp-option=6, x.x.x.x, y.y.y.y where x.x.x.x = DNS1 y.y.y.y = … ISC DHCP Server for Multiple VLANs - Linux Forum - Spiceworks Dec 20, 2017 Cisco Wireless LAN Controllers and DHCP Option 43 – ~/blog
May 18, 2013 · This option carries many other sub-options that are added by relay agents and not the clients themselves. Some of the common options are listed below. 82.1: Circuit ID: RFC 3046: This is an identifier added by the relay agent to indicate which interface the client is on. This is commonly used as a subscriber identifier in DSL-based networks. 82
If you are changing from a single-database environment to a multidatabase environment, you must remove the statements for options 211 and 212 from dhcpd.conf. option routers 192.168.4.1 The option routers statement defines an IP address for the router. dhcpd.leases man page — Explains how to configure the DHCP leases file; includes some examples. dhcp-options man page — Explains the syntax for declaring DHCP options in dhcpd.conf; includes some examples. dhcrelay man page — Explains the DHCP Relay Agent and its configuration options.
Oct 12, 2018 · Options: Click the Add icon to add options. For additional information, see the next section, 4820275 4820275; Save the configuration and click Restart if it appears at the top of the screen. After you create an option space and add options to it, you can apply the options as described in 4820275 4820275. Configuring Custom DHCP Options
Posted: Thu Jan 08, 2009 19:27 Post subject: : I did the following: Added dhcp-option=3,192.168.0.1 to "Additional DHCPd Options". Applied changes. Deleted my laptop's current DHCP lease. A new lease w DHCP options have the same format as the BOOTP 'vendor extensions'. Options may be fixed length or variable length. All options begin with a tag byte, which uniquely identifies the option. Fixed length options without data consist of only a tag byte. The value of the length byte does not include the tag and length fields. Aug 02, 2013 · I am trying to create a custom scope option to use in Server 2012 DHCP but the option appears to be gone. In server 2008 : Open DHCP. In the console tree, click the applicable DHCP server.