Allied Telesis AT-WR4500 IP Addresses and ARP, IP Addressing, Configuring Interfaces Dhcp and DNS

AT-WR4500 Series - IEEE 802.11abgh Outdoor Wireless Routers	87
RouterOS v3 Configuration and User Guide

5IP and Routing

5.1IP Addresses and ARP

5.1.1 General Information

Summary

The following Manual discusses IP address management and the Address Resolution Protocol settings. IP addresses serve as identification when communicating with other network devices using the TCP/IP protocol. In turn, communication between devices in one physical network proceeds with the help of Address Resolution Protocol and ARP addresses.

Specifications

Packages required: system

License required: Level1

Submenu level: /ip address, /ip arp

Standards and Technologies: IPv4, ARP

Hardware usage: Not significant

RelatedTopics

Configuring Interfaces

DHCP and DNS

5.1.2 IP Addressing

Submenu level: /ip address

Description

IP addresses serve for a general host identification purposes in IP networks. Typical (IPv4) address consists of four octets. For proper addressing the router also needs the network mask value, id est which bits of the complete IP address refer to the address of the host, and which - to the address of the network. The network address value is calculated by binary AND operation from network mask and IP address values. It's also possible to specify IP address followed by slash "/" and the amount of bits that form the network address.

In most cases, it is enough to specify the address, the netmask, and the interface arguments. The network prefix and the broadcast address are calculated automatically.

It is possible to add multiple IP addresses to an interface or to leave the interface without any addresses assigned to it. In case of bridging or PPPoE connection, the physical interface may bot have any address assigned, yet be perfectly usable. Putting an IP address to a physical interface included in a bridge would mean actually putting it on the bridge interface itself. You can use /ip address print detail to see to which interface the address belongs to.

RouterOS has following types of addresses:

Static - manually assigned to the interface by a user

Dynamic - automatically assigned to the interface by DHCP or an estabilished PPP connections