RUT360 LAN

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Main Page > RUT Routers > RUT360 > RUT360 Manual > RUT360 WebUI > RUT360 Network section > RUT360 LAN

The information in this page is updated in accordance with firmware version RUT36X_R_00.07.06.5.


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 RUT360 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.

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LAN

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

Networking rutos manual lan settings v3.png

If you hover mouse over the question mark Networking rutos manual wan question mark.png global IPv6 prefix assignment addresses will be displayed.

Networking rutos manual lan question mark info.png

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.

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

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Interface configuration


General settings

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

Networking rutos manual lan general settings.png

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.

Networking rutos manual lan ipv6 settings.png

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.

Networking rutos manual lan advanced settings.png

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..10000]; 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.

Networking rutos manual lan physical settings.png

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.

Networking rutos manual lan firewall settings.png

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.

DHCP server configuration


A DHCP (Dynamic Host Configuration Protocol) server is a service that can automatically configure the TCP/IP settings of any device that requests such a service. If you connect a device that has been configured to obtain an IP address automatically, the DHCP server will lease out an IP address from the available IP pool and the device will be able to communicate within the private network.

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To make the DHCP Server section visible, set interface protocol to Static.

General setup

The General Setup section is used to set up the main operating parameters of the DHCP server.

Networking rutos manual lan configuration dhcp server general setup.png

Field Value Description
Enable DHCP Enable | Disable | Relay*; default: Enable Turns the DHCP server on or off or enables DHCP relay*.
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 machine connects to this device, it will redirect any DHCP requests to the specified DHCP Server.
Start IP integer [1..255]; default: 100 The DHCP server's IP address range start value.
End IP integer [1..255]; default: 254 End IP, i.e., the last possible IP in the selected range for the DHCP server.
Lease time integer [1..999999]; default: 12
integer [2..999999]*
integer [120..999999]**
A DHCP lease 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 one. However, if the device stays connected, its lease will be renewed after half of the specified amount of time passes (e.g., if lease time is 12 hours, then every 6 hours the device will ask the DHCP server to renew its lease).
The minimal amount of time that can be specified is 2 minutes.
*If selected Units is Minutes.
**If selected Units is seconds.
Units Hours | Minutes | Seconds; default: Hours Lease time measurement units.

Advanced settings

Refer to the table below for information on the Advanced Settings section.

Networking rutos manual lan configuration dhcp server advanced settings.png

Field Value Description
Dynamic DHCP off | on; default: on Enables dynamic allocation of client addresses. If this is disabled, only clients that have static IP leases will be served.
Force off | on; default: off The DHCP force function ensures that the device will always start it’s DHCP server, even if there is another DHCP server already running in the its network. By default the device’s DHCP server will not start when it is connected to a network segment that already has a working DHCP server.
IPv4-Netmask netmask; default: none Sends a different netmask than the LAN netmask to DHCP clients.
Custom DHCP Options -(interactive button) Opens the edit window of DHCP options.
Force DHCP options off | on; default: off If enabled, DHCP options will be sent even if it's not requested.
Custom DHCP options

Custom DHCP options are number and value pairs used to configure advanced DHCP functionality. It does not configure DHCP ipv6!. The DHCP options modal is used to 'Add', 'Delete', 'Save' multiple options.

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Field Value Description
Option code Custom | Time offset (2) | Router (3) | DNS (6) | Domain name (15) | NTP server (43); default: Time offset (2) Standartized DHCP option code.
Option value Custom | Time offset (2) - integer | Router (3)- IPv4 | DNS (6) - IPv4 | Domain name (15) - string | NTP server (43) - IPv4; default: empty Value that will be set for selected option.

DHCP Server: IPv6 Settings


Refer to the table below for information on the IPv6 Settings section.

Networking rutos manual lan configuration dhcp server ipv6 settings.png

Field Value Description
Router Advertisement Service Disabled | Relay mode | Server mode | Hybrid mode; default: Disabled Specifies whether router advertisements should be enabled (server mode), relayed or disabled.
DHCPv6 Service Disabled | Relay mode | Server mode | Hybrid mode; default: Disabled Specifies whether DHCPv6 server should be enabled (server), relayed (relay) or disabled (disabled).
NDP Proxy Disabled | Relay mode | Hybrid mode; default: Disabled Specifies whether NDP should be relayed or disabled.
Announced DNS server ip; default: none Supplements DHCP-assigned DNS server entries with ones specified in this field.
Announced DNS domains ip; default: none DNS domain handed out to DHCP clients.

* When an interface is set to act as a DHCP Relay, it redirects all received DHCP request messages to another specified DHCP server:

Networking rutx manual lan static dhcp server relay scheme v2.png