Jan 11, 2012

Router to router cascading a simple guide


NOTE: Before you connect a router to another router, make sure that both have different IP addresses. This is mandatory because both routers may be set to the same IP address by default. If both routers have the same IP address, you need to change the IP address of the second router to prevent any conflict.

There are two ways to cascade a router to another router:

1. Connecting one of the Ethernet ports (LAN ports) of the second Router to one of the Ethernet ports (LAN ports) of the main router.

2. Connecting the Internet port (WAN port) of the second Router to one of the Ethernet ports (LAN ports) of the main router.

By connecting the second router’s Ethernet port to the main router’s Ethernet port, the computers connected to both routers will be on the same LAN IP segment. This will allow sharing of network resources within the network. By connecting the second router’s Internet port to the main router’s Ethernet port, it will be easier to identify which router the computers are connected to since they will have different LAN IP segments.

NOTE: Before configuring the second router, make sure that it is not connected to the main router, where the broadband modem is connected. Then follow these instructions:

1. Cascading the Router to Another Router (LAN-LAN)
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To cascade your router to another router, you need to perform two steps:

1. Connecting a Computer to the Router

2. Configuring the Router with LAN-to-LAN Connection

NOTE: The steps mentioned should be performed on the second router.

Connecting a Computer to the Router

1.Shutdown the computer and plug it to any of the numbered ports at the back of the router.

2. Plug the supplied power adapter in the router.

Configuring the Router with LAN-to-LAN Connection

1.Access the router’s web-based setup page {Second Router}

To know better how to login to any router click on the link below.

2.When the router’s web-based setup page appears, look for Local IP Address and change it to “192.168.X.2 { Most of the times router IP address is 192.168.X.1 where X starts from 0 to 255 }

3.When the web-based setup page opens, look for DHCP Server and click Disable

4.Click save settings

5.Click Advanced Routing and change Operating Mode to Router.(Depends on the router models and vendors this may change}

6.Click save settings

7.Connect a standard Ethernet network cable to one of the numbered Ethernet ports on the main router, where the broadband modem is connected. Then, connect the other end of the Ethernet cable to the Ethernet port of the router that you have just configured.

PS : If main router has IP address of 192.168.0.1 then the second router should have an IP address of 192.168.0.2 . Then only this kind of router cascade works.

2. Cascading the Router to Another Router (Internet-LAN)

To cascade your router to another router, you need to perform two steps:

1. Connecting a Computer to the Router

2. Configuring the Router with Internet-to-LAN Connection

NOTE: The steps mentioned should be performed on the second router.

1.Shutdown the computer and plug it to any of the numbered ports at the back of the router.

2.Plug the supplied power adapter in the router. Configuring the Router with Internet-to-LAN Connection

1.Access the router’s web-based setup page

2.When the router’s web-based setup page appears, look for Local IP Address and change it to “192.168.X.1 Where X is any number between 0 to 255 except the number in first router.

[ie: If the IP address of the first router is 192.168.5.1 the X of second router is any number between 0 to 255 other than 5. ]

3.Click save settings.

4. Connect a standard Ethernet network cable to one of the numbered Ethernet ports on the main router, where the broadband modem is connected. Then connect the other end of the Ethernet cable to the Internet port of the router that you have just configured.

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