RUT900 LAN: Difference between revisions

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{{Template: Networking_rutxxx_manual_fw_disclosure
{{Template: Networking_rutos_manual_lan
| fw_version = RUT9XX_R_00.06.08.2
<!---------DEVICE DETAILS--------->
| name  = RUT900
| series = RUT9
<!-----------SEPARATORS----------->
| wifi  = 1
}}
}}
==Summary==
{{Template: webui_network_lan_summary}}
==Configuration==
===General Setup===
----
The General Setup tab provides you with the possibility to set the router's Private IP address, IP netmask and IP broadcast.
[[File:Networking_rut_manual_lan_configuration_general_setup.png|border|class=tlt-border]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>IP address</td>
      <td>ip; Default: '''192.168.1.1'''</td>
      <td>IP address that the device uses on the LAN network </td>
    </tr>
    <tr>
      <td>IP netmask</td>
      <td>ip; Default: '''255.255.255.0'''</td>
      <td>A netmask is used to define how “large" the LAN network is</td>
    </tr>
    <tr>
    <td>IP broadcast</td>
        <td>ip; Default: " "</td>
        <td>IP broadcasts are used by BOOTP and DHCP clients to find and send requests to their respective servers</td>
    </tr>
</table>
===Advanced Settings===
----
LAN Configurations Advanced Settings tab contains some less frequently used, more complicated configurations, such as custom MTUs and network interface metric values.
[[File:Networking_rut_manual_lan_configuration_advanced_settings.png|border|class=tlt-border]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Accept router advertisements</td>
      <td>yes {{!}} no; Default: '''no'''</td>
      <td>Allows accepting router advertisements</td>
    </tr>
    <tr>
      <td>Override MTU</td>
      <td>integer [0..1500]; Default: '''1500'''</td>
      <td>MTU (Maximum Transmission Unit) specifies the largest possible size of a data packet</td>
    </tr>
    <tr>
    <td>Use gateway metric</td>
        <td>integer; Default: '''0'''</td>
        <td>The LAN configuration generates an entry in the routing table. In this field you can alter the metric of that entry. Higher metric means higher priority</td>
    </tr>
    <tr>
    <td>Use WAN port as LAN</td>
        <td>yes {{!}} no; Default: '''no'''</td>
        <td>If this is enabled, the router's WAN port will act as if it were a LAN port. '''Works only if WAN is not set to wired'''</td>
    </tr>
</table>
==DHCP Server==
{{Template: webui_network_lan_dhcp_summary}}
===General===
----
{{Template: webui_network_lan_dhcp_general_setup}}
[[File:Networking_rut_manual_lan_dhcp_server_general_setup.png|border|class=tlt-border]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>DHCP</td>
      <td>Enable {{!}} Disable {{!}} DHCP Relay; Default: '''Enable'''</td>
      <td>Enables or disables DHCP Server. If DHCP Relay is selected, you will be prompted to enter an IP address of another DHCP server in your LAN. In this case, Whenever a new device connects to the router, the router will redirect any DHCP requests to the specified DHCP Server</td>
    </tr>
    <tr>
      <td>Start</td>
      <td>integer [1..253]; Default: '''100'''</td>
      <td>The starting IP address value. e.g., if your router’s LAN IP is 192.168.2.1 and your subnet mask is 255.255.255.0 that means that in your network a valid IP address has to be in the range of [192.168.2.0..192.168.2.254] (192.168.2.255 is a special unavailable address). If the Start value is set to 100 then the DHCP server will only lease out addresses starting from 192.168.2.100</td>
    </tr>
    <tr>
    <td>Limit</td>
        <td>integer [1..4294967296]; Default: '''150'''</td>
        <td>How many addresses the DHCP server can lease out. Continuing from the above example: if the start address is 192.168.2.100 and the server can lease out 150 (default limit value), availabe addresses will be from 192.168.2.100 to 192.168.2.249 (100 + 150 – 1 = 249; this is because the first address is inclusive)</td>
    </tr>
    <tr>
    <td>Lease time</td>
        <td>time in 'h' (hours) or 'm' (minutes); Default: '''12h'''</td>
        <td>he duration of an IP lease. Leased out addresses will expire after the amount of time specified in this field and the device that was using the lease will have to request a new DHCP lease. However, if the device stays connected, its lease will be renewed after half of the specified amount of time passes, e.g., if the lease time is 12 hours, then every 6 hours the device will send a request to the DHCP server asking to renew its lease<br>
Lease time can be set in '''hours''' ('''h''') or '''minutes''' ('''m'''). The minimal amount of time that can be specified is '''2min''' ('''2m''')</td>
    </tr>
</table>
===Advanced Settings===
----
{{Template: webui_network_lan_dhcp_andvanced_settings}}
[[File:Networking_rut9xx_manual_lan_dhcpserver_advanced_v1.png]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Dynamic DHCP</td>
      <td>yes {{!}} no; Default: '''yes'''</td>
      <td>Enables Dynamic allocation of client addresses. If this is disabled, only clients that have static IP leases will be served</td>
    </tr>
    <tr>
      <td>Enable DNS rebind protection</td>
      <td>yes {{!}} no; Default: '''yes'''</td>
      <td>Enables DNS rebind attack protection by discarding upstream RFC1918 responses (leave default unless necessary otherwise)</td>
    </tr>
    <tr>
    <td>Force</td>
        <td>yes {{!}} no; Default: '''no'''</td>
        <td>The DHCP force function ensures that the router will always start it’s DHCP server, even if there is another DHCP server already running in the router’s network. By default the router’s DHCP server will not start when it is connected to a network segment that already has a working DHCP server</td>
    </tr>
    <tr>
    <td>IP netmask</td>
        <td>ip; Default: '''255.255.255.0'''</td>
        <td>Overrides your LAN netmask, thus making the DHCP server think that it’s serving a larger or smaller network than it actually is</td>
    </tr>
    <tr>
    <td>DHCP Options</td>
        <td>DHCP options; Default: " "</td>
        <td>Additional options to be added to the DHCP server. For example with '26,1470' or 'option:mtu, 1470' you can assign an MTU value per DHCP. You can find more information on DHCP Options [https://technet.microsoft.com/en-us/library/cc958941.aspx here] <br> You can add more options by clicking the plus symbol ([[Image:Services sms gateway auto reply plus symbol.PNG]]) located next to the field</td>
    </tr>
</table>
==Static Leases==
Static IP leases are used to reserve specific IP addresses for specific devices by binding them to their MAC address. This is useful when you have a stationary device connected to your network that you need to reach frequently, e.g., printer, IP phone, etc.
[[File:Network lan staticleases.PNG]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Hostname</td>
      <td>string; Default: " "</td>
      <td>A custom name that will be linked with the device</td>
    </tr>
    <tr>
      <td>MAC address</td>
      <td>mac; Default: " "</td>
      <td>Device’s MAC address</td>
    </tr>
    <tr>
    <td>IP address</td>
        <td>ip; Default: " "</td>
        <td>The desirable IP address that will be reserved for the specified device</td>
    </tr>
</table>
==IP Aliases==
IP Aliases are a way of defining or reaching a subnet that works in the same space as the regular network. This is useful if you need to reach the router that is located in the same network but in a different subnet. If you have a static IP configuration on your computer and don’t want to change it every time you need to reach a router in a different subnet, you can configure an IP alias in order to do so.
===General setup===
----
[[File:Network lan ip alias general.png]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>IP address</td>
      <td>ip; Default: " "</td>
      <td>An alternate IP address used to reach the router by a device(s) that resides in the router's LAN but has a different subnet</td>
    </tr>
    <tr>
      <td>Netmask</td>
      <td>ip; Default: '''255.255.255.0'''</td>
      <td>Netmask defines how "large" a network is</td>
    </tr>
</table>
As you can see, the configuration is very similar to the static protocol; in the example above an IP address with a 99th subnet is defined. In this case, if some device has an IP in the 99th subnet (e.g., 192.168.99.xxx) and the subnet’s gateway metric is “higher” and the device is trying to reach the internet it will reroute it’s traffic not to the gateway that is defined in common configurations but through the one that is specified in IP aliases.
===Advanced Settings===
----
You may also define a broadcast address, a custom DNS server and Gateway for your IP Aliases in the Advanced Settings tab.
[[File:Network lan ip alias advanced.png]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>IP Broadcast</td>
      <td>ip; Default: " "</td>
      <td>IP broadcasts are used by BOOTP and DHCP clients to find and send requests to their respective servers</td>
    </tr>
    <tr>
      <td>DNS</td>
      <td>ip; Default: " "</td>
      <td>A separate DNS server to be used by the IP Alias address</td>
    </tr>
    <tr>
    <td>Gateway</td>
        <td>ip; Default: " "</td>
        <td>A gateway is a network node that connects two networks using different protocols together</td>
    </tr>
</table>
==Relayd==
'''Relayd''' is a daemon to relay and dynamically redirect incoming connections to a target host. Its main purpose in RUT routers is extending the wireless network. For example, when RUT is in STA (Wireless Station) mode, it can be used to bridge WAN and LAN interfaces to create a larger Wireless network. You can find a detailed example on how to use Relayd '''[[Relayd|here]]'''.
[[File:Network lan relayd.png]]
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Enable</td>
      <td>yes {{!}} no; Default: '''no'''</td>
      <td>Toggles Relayd ON or OFF</td>
    </tr>
</table>
==UDP Broadcast Relay==
The <b>UDP Broadcast Relay</b> will listen for broadcast traffic on the specified port and relay that traffic to the specified interface(s).
[[File:Networking_rut_manual_wan_udp_broadcast_relay.png|border|class=tlt-border]]
<table class="nd-mantable">
    <tr>
        <th>Field</th>
      <th>Value</th>
      <th>Description</th>
    </tr>
    <tr>
      <td>Enable</td>
      <td>on | off; default: <b>off</b></td>
      <td>Turns UDP Broadcast Relay on or off.</td>
    </tr>
    <tr>
      <td>Port</td>
      <td>integer [0..65535]; default: <b>none</b></td>
      <td>UDP port to listen for broadcast traffic.</td>
    </tr>
</table>
[[Category:RUT900 Network section]]

Revision as of 10:36, 19 July 2021

Main Page > EOL Products > RUT900 > RUT900 Manual > RUT900 WebUI > RUT900 Network section > RUT900 LAN

The information in this page is updated in accordance with firmware version .
Note: click here for the old style WebUI (FW version RUT9XX_R_00.06.09.5 and earlier) user manual page.

Summary

The LAN page is used to create and set up local area network interfaces.

This manual page provides an overview of the LAN windows in RUT900 devices.

If you're having trouble finding this page or some of the parameters described here on your device's WebUI, you should turn on "Advanced WebUI" mode. You can do that by clicking the "Advanced" button, located at the top of the WebUI.

LAN

The LAN section displays LAN interfaces currently existing on this device.

If you hover mouse over the question mark global IPv6 prefix assignment addresses will be displayed.

The Add New Instance section is used to create additional network interfaces. To create a new interface, simply enter a custom name for it and click the 'Add' button.

To begin configuring an interface, click the 'Edit' button on the right side of the interface:

Interface configuration

General settings

The General Settings section is used to configure the main parameters of LAN.

Field Value Description
Enable off | on; default: on Enable interface
Protocol Static | None; default: Static
IPv4 address ip4; default: 192.168.1.1 Your router's address on the network
IPv4 netmask netmask; default: 255.255.255.0 The IPv4 netmask of this interface. A netmask is used to define how "large" a network is by specifying which part of the IP address denotes the network and which part denotes a device.

IPV6 settings

The IPV6 settings section is used to configure the IPv6 parameters of LAN.

Field Value Description
Delegate IPv6 prefixes off | on; default: on Enable downstream delegation of IPv6 prefixes available on this interface.
IPv6 assignment length Disabled | 64 | Custom - integer [0..6]; default: 60 Assign a part of given length of every public IPv6-prefix to this interface.
IPv6 assignment hint A hexadecimal string of symbols: a-f, A-F and 0-9 is accepted; default: none Assign prefix parts using this hexadecimal subprefix ID for this interface.
IPv6 suffix Allowed values: "eui64", "random", fixed value like "::1" or "::1:2"; default: none Optional. Allowed values: 'eui64', 'random', fixed value like '::1' or '::1:2'. When IPv6 prefix (like 'a:b:c:d::') is received from a delegating server, use the suffix (like '::1') to form the IPv6 address ('a:b:c:d::1') for the interface.

Advanced settings

The Advanced settings section is used to configure the advanced parameters of LAN.

Field Value Description
Force link off | on; default: on Set interface properties regardless of the link carrier (If set, carrier sense events do not invoke hotplug handlers).
Use gateway metric integer[0..4294967295]; default: 0 The configuration by default generates a routing table entry. In this field you can alter the metric of that entry. Lower metric means higher priority.
Override MAC address Mac address of six groups of two hexadecimal digits are accepted. E.g. 00:23:45:67:89:AB; default: none Override MAC address of the interface. For example, your ISP (Internet Service Provider) gives you a static IP address and it might also bind it to your computers MAC address (i.e., that IP will only work with your computer but not with your router). In this field you can select your computer’s MAC address and fool the gateway in to thinking that it is communicating with your computer. You can select the MAC address of a currently connected computer, or use a custom one. When changing MAC address on LAN interface be careful to avoid MAC address collisions.
Override MTU integer [98..65535]; default: none Maximum Transmission Unit (MTU) – specifies the largest possible size of a data packet.
IP4 table Value must be a valid unsigned integer; default: none IPv4 routing table for routes of this interface.

Physical settings

The Physical settings section is used to configure the physical parameters of LAN.

Field Value Description
Bridge interfaces off | on; default: on Creates a bridge over specified interface(s).
Enable STP off | on; default: off Enables the Spanning Tree Protocol on this bridge.
Enable IGMP off | on; default: off Enables IGMP snooping on this bridge.
Interface network interface(s); default: lan physical interface Physical interface name to assign to this section, list of interfaces if type bridge is set.

Firewall settings

The Firewall settings section is used to configure the firewall parameters of LAN.

Field Value Description
Create / Assign firewall-zone firewall zone; default: lan Choose the firewall zone you want to assign to this interface. Select 'Unspecified' to remove the interface from the associated zone or define a new zone and attach the interface to it.
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