Multiple ISP and Single LAN - How connect multiple Internets with the load balancer


How to configure multiple ISP with Failover? The intelligent TP-Link TL-R480+ will do this job nicely

Today we are going to discuss the load balancing and failover. The TP-Link TL-R480+ is a cost-effective broadband router with rich features and the best choice for the small-medium business.

Highlight Features of TP-Link TL R480+
Up to 4 WAN 10/100 ports for multiple Internet connections. Load balancing by bandwidth distribution, by type of application, or simply failover when the main connection is disturbed
Web interface portal authentication evaluate and authenticate all the accesses to the Internet for better access and bandwidth management
Marshals bandwidth resource to specific clients based on their unique application environments
Advanced Functions of TP-Link TL-R480+
ACL                             -           IP/MAC/URL/WEB Filtering
IGMP                           -           IGMP Proxy/IGMP Snooping
Forwarding                  -           Virtual Server, Port Triggering, DMZ
Load Balance               -           Policy Routing, Link Backup
NAT                            -           One-to-One NAT, Multi-Nets NAT
Routing                        -           Static Routing
Security                       -           FTP/SIP/PPTP/IPsec/DoS Defence, Ping of Death
Traffic Control             -           Bandwidth Control, Session Limit
How to act this product in IT Infrastructure?
In an IT Infrastructure, the internet is critical and we need to connect the end device to the cyber world every second for accessing and sharing the digital information’s so internet availability is very important. The TL R480+ help us to configure multiple ISP internet, hence we can set up load balancing and wan failover features.
Load Balancing
Load balancing is the process of distributing network traffic across the available paths. The TL R480+ has four WAN port (1 Fixed and 3 Interchangeable) so we can configure multiple internets and share the internet traffic through multiple links. This will reduce the internet bandwidth issue and also network congestion.
WAN Failover
WAN failover is a rich feature and it will ensure the internet uptime. We need multiple ISP links for configuring the WAN Failover. If configure this, all internet traffic will automatically be routed through the backup link when the primary link failed.
The Load Balancing and Failover configuration of TL-R480+
Step 1 - WAN Port Configuration
Step 2 – Internet Configuration / Static IP
Step 3 – Enable Load Balancing and Failover
WAN Port Configuration
This Router will support one fixed WAN port and three LAN/WAN interchangeable ports. Here we need a minimum of two internets for configuring Load Balance and Failover.
Set up 2 WAN Port from the option NetworkàWAN, then type the Static IP details in the given field and waits some time for updating the changes. The WAN port will up soon.
Load Balance and Failover Configuration
The next step is to configure the load balance and failover. For doing this go to the transmission tab and select Load Balance. We will get three new tabs here, 1. Basic Settings 2. Link Backup 3. Online Detection
Basic Settings Tick the ‘Enable Load Balancing’
Link Backup    -Add Primary & Backup WANThen specify the mode as Timing or Failover.
Timing: Link Backup will be enabled if the
specified effective time is reached. All the traffic on the primary WAN will switch to the backup WAN at the beginning of the effective time; the traffic on the backup WAN will switch to the primary WAN at the ending of the effective time.
Failover: Specify the premise for Failover Mode. The backup WAN port will be enabled only when the premise is met.
Online Detection         -           This is for testing the WAN connectivity. We have the option to set manual and automatic.
Topic Conclusion
We have configured both Load Balance and Failover so the all the internet traffic will share through multiple WAN links as well routed the traffic to backup link when the primary link down.



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item Multiple ISP and Single LAN - How connect multiple Internets with the load balancer
Multiple ISP and Single LAN - How connect multiple Internets with the load balancer
Multiple IS and Single LAN - TP Link Load Balancer Configuration
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