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Questions tagged [load-balancer]

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Packet flow between Client - Load balancer - Server

I am building my own load balancer in C++. But I lack some fundamental knowledge of how requests/responses flow in such routing configuration. Suppose I have application at www.application.com and ...
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35 views

How can I optimize the performance of mysql vm in a nginx load balancer group?

I built a mysql HA group with 3 ubuntu vms. One is load balancer and the other two are mysql vms. Each mysql vm is with 8 mysql instances which corresponding with 8 ports and there are 8 ports on ...
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1answer
14 views

Do responses from server have to go through load balancer or directly to client?

I am trying to build my own load balancer on C++. But not sure whether all packets(both requests and responses) between client and server have to go through load balancer. Should it just help ...
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0answers
8 views

Nginx as a Load balance while login to application its saying invalid user id/password

I have configured nginx successfully. When I made a load balance with my two application servers (spring boot), when my application opens with the load balance IP, the application asks for a userid ...
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14 views

2 ISP loadbalancing, access site on pre defined WAN connection

In my previous question I asked about loadbalancing 2 different cellular WAN connections using a TP-Link TL-R480T+ loadbalancer. This succeeded, which leaves me the following problem: Both cellular ...
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5 views

Load Balancer Poor External Query Results in Benchmark

I created a Load Balancer. When testing internally in the Load Balancer Server using wrk, I received a benchmark of 300,000 Requests Per Second.. Then, I created a droplet in Digital Ocean and ran the ...
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3answers
305 views

can't access website by ip but I can access by fully qualified domain

So it seems I can't browse a website by IP, but I can browse using it's hostname. C:\Users\c>nslookup www.example.com Non-authoritative answer: Name: cx-cdn-bre.gss.consultix.net Addresses: 62....
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57 views

Apache ProxyPass not loading Resources

I configured apache proxypass and it's working but not loading images, javascript, CSS etc... I want to proxypass to another server, not localhost. Below is my configuration. ServerName app....
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22 views

nginx loadbalance for nodejs socket.io

I am trying to use nginx for reverse proxy, and direct to two servers running node.js with socket.io(websocket long connection.) When I pass it to one server, it works fine. But when I try to load ...
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1answer
439 views

Using two ISP connections simultaneously to add stability in Linux

I have two internet connection from two different ISP. ADSL on eth0 and 4G on wlan0. Is there any way that if one ISP fails, the other take over automatically without a physical router and by Host OS (...
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0answers
49 views

How to connect one ip range to another on Class C network?

I have two broadband connections. The dynamic ips are 192.168.1.1 which are same for two connections. When both of it got connected to a load balancer (Tplink 480t), the load balancing works fine with ...
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0answers
63 views

Connection issue using IP address but works with server name as this relates to certificate Subject Alternative Name property

I am using a trying to connect to a server using two "connection modes", one which does not require a certificate to be installed and one which does. When I choose the mode which does not use ...
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0answers
97 views

TP-Link TL-ER5120 V3 Will two 120mbps connections result in 240mbps? [duplicate]

I have two 120mbps down and 10mbps up connections coming into my house. One is for everyone in the house, and the other is just dedicated for my PS4. I'm not happy with the speed I'm getting while ...
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1answer
511 views

How do I safely sync data between two EC2 instances on the same ELB?

I have two ec2 instances on a load balancer, I would want to be able to make one the source and the other a mirror. Where the source is the instance that is always updated, and the mirror updates ...
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0answers
171 views

Request stuck in one node behind Apache HTTP Server

I'm running an Apache HTTP Server as a load balancer, with 3 application nodes sitting behind it. Here is a sample configuration, <Proxy "balancer://apicluster"> BalancerMember http:...
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2answers
72 views

What is installed on “load-balanced” servers

The question I have is very basic, I understand what load balancing is and how it works, however I can't visualize it in practice. Lets say I have an AMP application running on a server. One day ...
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3answers
1k views

Tp link TL-ER604W v1.0 locks up every 10 days or so

I have had some issues with two different TP-Link load balancing routers. The older one which had 4 WAN ports would lock up and require a reboot every week. I upgraded and bought the newer TL-ER604W ...
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0answers
197 views

Mount shared SAN storage on one machine as read/write but read-only on others

I am writng a golang web application that will allow users to upload files and later retrieve them. Application is divided in two parts Part-1: Web-portal, it will be hosted on multiple linux web-...
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0answers
31 views

Setting up a commercial wireless network that supports numerous medium-high bandwidth users?

How would you configure a wireless network that needs to provide a decent-speed internet connection to a room full of users? Imagine a hypothetical establishment, maybe it's a large coffee shop or a ...
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3answers
325 views

How do I know if a connection goes down in a load balancing router?

I am using a TL-R470T+ load balancing router to combine my two broadband connections. Is there a way I can know as soon as one of the broadband lines goes down? My approach so far: I have tried to ...
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2answers
1k views

Two Internet Connections - One LAN (Load Balancing?)

If we have two different Internet Connections (one is substantially faster than the other), is there any way to connect both to the LAN, using some kind of load balancing to utilize both connections. ...
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1answer
129 views

Move from keepalived to HAProxy

I have four web server under two keepalived load balance server, so I can be sure that the active keepalived server will load balance the traffic on my four web servers, and when it fails the passive ...
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0answers
162 views

How can I connect an ADSL router (rj11) to another load balance router (rj45) ?

I have an ADSL router (Dlink) that connects to ISP with PPPoE through rj11 cable . I would like to use this internet connection on my TP link load balance router which is my main router that provides ...
2
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1answer
6k views

DNS load balancing with multiple IPs on the same domain in GoDaddy

Looking for a cheaper solution than amazon CloudFront, I placed two "A" records with different IPs to different servers on the same subdomain in a NameSever managed by GoDaddy in order to achieve some ...
0
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1answer
768 views

Load Balanced SFTP Server

we have 2 Load Balanced web servers on Azure and I am trying to set up a load balanced SFTP connection for my client. I have tried doing this using a load balanced end-point on azure for SFTP but the ...
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1answer
3k views

Mapping multiple IP Addresses to one DNS record

We are wanting to run 2 separate servers, one legacy server and one new server. All new users will be put onto the new server and current users will be left on the legacy server for now. We want to ...
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0answers
106 views

Session-based load-balancing with nginx and nodejs?

As I understand it, load-balancing with nginx is typically based on requests, i.e. each request is forwarded somewhere different, be it to remote machines or to instances of a local service. However, ...
2
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1answer
499 views

What happens if a switch loses too many packets consistently?

I was just wondering what happens if a switch loses too many packets. The reason I am asking is because I have a switch that is constantly overloaded. This is caused by individuals downloading heavy ...
0
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1answer
353 views

How to password protect my webpage of 1 instance in ELB?

I have launched 2 instances with basic html page on AWS. And added those instances with one external ELB. I made the configurations like, only i can access those webpage by hitting the ELB and not by ...
2
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1answer
1k views

Can I facilitate Nginx to multiplex an Icecast stream?

The headline basically says it, I have Nginx connect as a reverse proxy to one of my Icecast2 streams. Now it would be nice if, for every new connection to Nginx, it would not proxy a new connection ...
2
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0answers
2k views

Bonding/Teaming in centOS 7

I am new to linux. I have been trying to configure either NIC bonding or NIC teaming. I have done it on windows server 2012. I am using centos7 and I haven't been lucky enough to configure it ...
3
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1answer
217 views

Is my understanding of the WSGI path correct

My past web application experience is limited to a few Apache+PHP experiments. Starting from this background I've been reading up on using Python for REST services, and this is my current ...
0
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1answer
7k views

Load balancing one-arm and two-arm modes

I searched the internet for a clear explanation of how these 2 type of load balancing methods exactly work, what are the benefits/issues that come with each and so on, but I could find a clear ...
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1answer
186 views

Peer-to-Peer communication in NLB cluster

I'm a system administrator at a library in Holland. Our personnel uses thin clients which are making a remote desktop session to our session servers. We have two session servers (Windows 2008 R2) ...
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0answers
656 views

Multi-site Apache Load Balancer different domains

I am working on setting up an apache load balancer with 2 members. These three servers are windows server 2012 using apache 2.4.9. I am working to make one load balancing cluster serve up multiple ...
2
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1answer
4k views

Log upstream service in nginx load balancer log

I have 2 nginx webservers with a nginx load balancer spliting the load. I am trying to log to which webserver was a request sent into the log file /var/log/nginx/access.log but I can't find such ...
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0answers
448 views

Load Balance Server Across Multiple Ethernet Ports

I have a server that 20+ workstations must remote into in order to do everyday business. Is there such a thing as load balancing through multiple ethernet ports? How can it be configured? The ...
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3answers
17k views

Application Optimized Routing on a load balancing router?

Ive got 2 incoming broadband lines both c.10mb down / c.0.8 up. (one line is slightly faster than the other) Ive recently setup a TP Link - TL-R470T+ Load balancing router after researching it and ...
0
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1answer
89 views

How to set up load balancer with SSL?

I currently have a single server with a Django stack. I have nginx with an SSL certificate for HTTPS. I want to scale the web layer by putting an nginx load balancer in front, and adding IP addresses ...
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1answer
9k views

How to do server fixation with HAProxy through HTTPS

I previously created a loadbalancer for web servers in HAProxy, but that one was HTTP, not HTTPS. This is he config I previously used. listen appname 0.0.0.0:80 mode http stats enable ...
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0answers
439 views

iptables load balancing for TLS with request routing on the same connection

I am trying to set up iptables rules for TLS connection. I have three internal IP in my machine and I route requests coming on public IP at port 443 to each of these internal IP in RR. -A PREROUTING ...
0
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1answer
63 views

How Should a High Availability site work?

All, This might be a pretty basic question, but my small company is new to HA infrastructure and we are having discussions about what to expect. We have a KEMP HA load balancer in our network. ...
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2answers
2k views

How can I Load balance or make two WiFi adapter connections fail-over to the same network?

I have two WiFi adapters in my laptop, and both of them connected to my home network: Now, I thought that when adapter one loses connectivity, the connection of adapter two will be used.. but that is ...
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0answers
48 views

keepalived IP filter?

I am using keepalived to load-balance connections to 4 servers. Is there any way to route all non-logged-in users to one server and all logged-in users to the other 3 servers? I can update a list/...
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0answers
212 views

Load Balancing and Administration of High Traffic Servers [closed]

I am currently thinking of how to best set up my server architecture for a high traffic website which scrapes data from the internet and provides a REST API. One idea is renting root servers in ...
0
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1answer
127 views

Is there a way to find all processes which accessed a linux port?

We are using Octopus Load Balancer for connecting to database from Linux. The Load balancer throws following error. I doubt if it is due to the assigned port being accessed by some other process ...
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1answer
4k views

How do I configure IP forwarding on a Netgear N600 WNDR3400 router?

I've got a Netgear N600 WNDR3400 Router at home. Is it possible to create a virtual hostname on my home network and have it forward to specific IP addresses of my choosing? For instance, I'd like to ...
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1answer
1k views

Apache as Load balancer – forcing a break in persistent connection

I set up a load balancer with Apache 2.2 via mod_proxy and mod_proxy_balancer. The load balancing works just fine, but there is one case I cannot find any configuration options for, namely, while ...
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0answers
1k views

How can I log in my alteon2424?

I was given an old alteon 2424. Pluging a serial cable on the console port allows me to see it booting. I can choose at boot between 2 images in nvram by pressing ctrl o. Both images talk about ...
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1answer
792 views

Software load balancing fail-over vs hardware [closed]

Please correct me, but my understanding is that with software load balancing a service must be run on each server while there is one DS that notifies the other servers that a server has gone down and ...