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What Is The Difference Between An Industrial Router And An Industrial Switch?

Shenzhen Libtor Technology Co.,Ltd | Updated: Oct 09, 2017

What is the difference between an industrial router and an industrial switch?

Many of the project applications in real life use routers and switches. Many people only know that both are devices for connecting to the Internet, but they rarely know the difference between them and their respective functions. What is the difference between the switch and the router.

Switch router function comparison:

1. Work level is different

The switch works on the second layer of the OSI, and the router works on the third layer of the OSI. Because the switch works on the second layer (data link layer) of the OSI, it works relatively well, and the router works on the third layer (network layer) of the OSI, and can get more protocol information. The router can make More intelligent forwarding decisions.

2. Data forwarding is based on different objects

The switch uses the MAC address to determine the destination address of the forwarded data. And the router uses the IP address to determine the address of the data forwarding. IP address is set in the software, describes the device where the network, industrial router these third-tier address is also known as the protocol address or network address. MAC address is usually hardware comes with, by the network card manufacturers to allocate, and has been cured to the card. The IP address is usually automatically assigned by the network administrator or the system.

Industrial switches are typically used for LAN-WAN connections. Routers are used for WAN-WAN connections to address forwarding between different network segments.

3. Division of broadcast domains

The switch can only split the collision domain, industrial router can not split the broadcast domain; and the router can split the broadcast domain

The network segments connected by the switch belong to the same broadcast domain. Broadcast packets are propagated on all network segments connected to the switch, which in some cases can lead to traffic congestion and security vulnerabilities. industrial router The network segments connected to the router are assigned to different broadcast domains, and the broadcast data does not pass through the router. Although the third layer of the switch has a VLAN function, you can also split the broadcast domain, but between the sub-broadcast domain is not communication between the exchange between them still need a router.

4. The difference in security

Routers provide a firewall, access restrictions and other services can achieve data filtering. The router only forwards packets of specific addresses, does not forward packet transmissions that do not support routing protocols, and transmit packets of unknown target networks, thus preventing broadcast storms.

5. Hardware difference

Router LAN port is generally only 4 below, and the number of LAN LAN switches in the 4-48 mouth range. Industrial routers have WAN port and support mobile phone card online, and the switch does not work. The router comes with wifi chips, and the switch does not.


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