Questions tagged [traffic-management]

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shape voice linux traffic using tc

How to set up a traffic control policy so voice traffic has maximum bandwidth of an specific interface? I tried tc qdisc add dev $WIFI handle 1: root tbf rate 10mbit burst 32kbit latency 10ms but how ...
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0 votes
1 answer
165 views

How to setup Azure traffic manger to switch between a website and a down (maintenance) page, without disruption?

Once can easily setup Azure traffic manager with two endpoints: the e-commerce site you operate normally the site with a static maintenance page (we user Azure static web) The requirement is to be ...
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Multiple servers behind one public IP [duplicate]

I am hosting multiple servers behind one public IP. (Mostly in Proxmox VE) Currently, all the services are on separate ports. I would like to use multiple domains to reach different services and am ...
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1 answer
476 views

Linux traffic control u32 hashtable filters based on MAC address

I am currently working with a traffic shaping Linux node. The rule set has grown to about 2500 hosts, all identified specifically by MAC address. The filter configuration is "basic", meaning ...
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1 answer
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What is this kind of continuous traffic generation against production called?

Traffic to our service is not entirely predictable. To help keep the service slightly over-provisioned and to provide advance warning of any degradation resulting from an increase in traffic, we ...
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1 answer
72 views

Redirect traffic from server on cloud to another machine on local host in VPN

I have a virtual server instance on a cloud with Ubuntu 18.04 running on it which has public ip 123.456.789.100 (dummy ip here). I installed OpenVPN server which has added private ip of virtual server ...
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1 vote
2 answers
2k views

How to get size of HTTP request and response including protocol overhead?

I am working on an IoT-related research project with several devices. However, my project partner responsible for the infrastructure restricted the traffic for each device to a maximum of 500 MB per ...
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Can I receive HTTP Format packet (raw data) by using VPC Mirroring on AWS?

AWS launched a new service named VPC Traffic Mirroring. I wonder if I can receive HTTP Format packet(raw data) by using this service on between ALB(src) and NLB(dst). Do I have to decrypt this ...
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2 votes
1 answer
3k views

How to use "Set weight" in HAProxy

Hi I have configured an HAProxy server in haproxy.cfg to balance the traffic flow between two servers, say server web1 10.10.10.10 weight 50 server web2 10.10.10.11 weight 50 For testing purpose we ...
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1 answer
485 views

Captive portal with local webserver and limited internet access

I have a mini pc running Linux. It has a 3G modem, wifi modem, runs nodogsplash for the captive portal, hostapd, dnsmasq, web server that gives out data that the user needs. I have the 3G device for ...
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  • 121
-2 votes
1 answer
56 views

How much bandwidth does a Debian server consume when it's idle? [closed]

How much bandwidth as network in/network out would an idle Debian server consume? I assume that a cloud service would compute as traffic port scannings, people trying to log in with default passwords ...
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-5 votes
2 answers
68 views

Trying to understand something [closed]

So I'm trying to figure something out, if I receive UDP traffic to my server from another server I can't really block it, like the iptables it's just blocking the traffic to being processed, but I ...
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1 answer
209 views

How to handle too much traffic

The company I work for has an event coming up in the near future that we believe will generate traffic around 3-4x anything we have dealt with in the past and I am unsure of the best way to deal with ...
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0 answers
148 views

Nginx rate limiting at server level excluding a particular IP [duplicate]

My server is constantly being flooded and I am looking to limit the connections. I want to do this at the server level (because I have multiple websites) but every now and then I run a cache warm ...
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4 votes
0 answers
1k views

Limiting incoming traffic with tc police

I have a requirement to limit the total incoming traffic to 5mbit. I know this can be achieved by using the following tc command: tc filter add dev eth0 parent ffff: protocol ip u32 match u32 0 0 ...
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2 votes
1 answer
1k views

tc police rate packets by iptables handle?

I want to limit download speed from any IP to 800kbit, (this works) And I want to limit the download speed of marked packets to 400kbit. I don't get any errors, but it's not limiting the download ...
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1 answer
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Azure Traffic Manager and Load Balancer

I have the following configuration being hosted in Azure virtual servers. Web Server 1 and 2 located in Data Center A and Web Server 3 located in Data Center B. Each server is hosting the same sites, ...
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1 vote
1 answer
683 views

LINUX: multiq leaf not replaceable with tc

# uname -r 4.7.5-200.fc24.x86_64+debug # tc -s -d qdisc show dev ens3 qdisc mq 8001: root Sent 44589 bytes 340 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc fq_codel ...
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Setting up an Inter VLAN for new building

Have added a building to our existing motel business setup and looking to utilise a fibre trunk to share a single internet connection between an open guest network (LAN and WiFi to guest rooms) and ...
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1 vote
1 answer
681 views

Layer 7 QoS Management

I have currently run a medium size SOHO network that can have up to 25-50 users and I am looking to implement a QoS system to better utilize the bandwidth. I currently am using pfSense however, both ...
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1 vote
1 answer
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Loss of service in GAE's deployment method using Traffic Migrate?

I want to know if there is any possible downtime in GAE's method of "silent" deployments. I'm using inbound_services: - warmup and deploying apps with -no-promote --no-stop-previous-version flags ...
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  • 169
2 votes
3 answers
13k views

How to setup a traffic limit per user on OpenVPN?

I am setting up a VPN server using OpenVPN. The authentication method is the certificate one (different certs for client and server). The VPS has 1TB of traffic monthly. I plan allowing up to 4 ...
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1 vote
1 answer
564 views

munin not showing traffic of interfaces pfsense 2.2

I'm trying out some systems and plug ins for monitoring bandwidth I came to Munin to monitor the interfaces of my PFSense 2.2.6 installing Munin was very easy and on normal debian VM's I could see ...
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0 answers
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How to migrate domain from site on Azure to Traffic Manager without downtime

I'm trying to figure out how to migrate my live site from a single instance on Azure to a multi-server traffic manager solution. Specifically, I need to know how to migrate the domain name so the ...
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  • 101
0 votes
1 answer
534 views

Determine Which IP address is using the most throughput Juniper SRX 220

We have a Juniper SRX 220 firewall, and our ISP provides a readout of our total throughput for times of the day. There is a throughput spike fairly consistently during certain hours and we are trying ...
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-2 votes
2 answers
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How the Traffic Classes get defined

I often come across in networking related literature the term 'traffic class'. And it looks like it is platform specific, sometimes they talk about 8 traffic classes, sometimes about 64. 1) Is this ...
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2 votes
1 answer
150 views

Prioritize traffic going to different interfaces

For example, we have regular clients sitting on wlan1 and Bittorrent client sitting on eth2. They access Internet via eth1. Bittorrent download traffic should be given lowest priority. So, that ...
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2 answers
214 views

Server slow, but plenty of CPU & RAM

My site has gone from getting 20,000 visits/day, to 182,000 yesterday, due to being featured on a number of popular sites. The site has become somewhat unresponsive. Many requests will lead to a ...
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0 votes
1 answer
58 views

What are the tools needed to best asses a load balancer?

I'm building a Paas with Docker container in the field of Networkf Function Virtualization. I need to deploy some load-balancers inside containers. I need to asses the load balancers in differents ...
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1 vote
2 answers
676 views

Using Azure Traffic Manager for an immediate increase in capacity

I have a REST web-service on Azure which has very high but variable load, it's all set-up to auto scale using Paraleap so that it can handle the peak periods but keep costs down when things are ...
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0 votes
1 answer
64 views

Azure - how to route traffic away from a server during an update

What's the best practice for routing traffic away from an Azure website / role when you want to run an update. Would you simply route away traffic using the Traffic Manager and wait the 5 minutes or ...
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0 votes
1 answer
341 views

Riverbed Stringray TrafficManger - API calls for Autoscaling

I am looking for advice on writing a bash script to put new server that we spin-up in AWS and get them added to our Stingrays. We are creating a new environment in AWS that will be muilt-AZ in AWS ...
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  • 397
4 votes
1 answer
3k views

forward incoming traffic to local listener

I have a service running on localhost which listens port localhost:10000 What I want to do is to forward all traffic coming to publicip:15000 to localhost:10000 where changing the configuration of ...
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3 votes
2 answers
2k views

Nginx Rate Limiting by Referrer?

I've successfully set up rate limiting on IP addresses like so, limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s; But I was wondering if its possible to do the same on referrers? For ...
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3 votes
4 answers
25k views

Having two subdomains on one public IP addres behind pFsense router

I have one public static IP address. I have my main domain register at local Internet provider and their DNS. My main router is pfSense and behind it i have my local network. My WEB server is in ...
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0 votes
2 answers
1k views

Bandwidth Reservation vs QOS

what is the difference between bandwidth reservation and QOS? for example, if I reserve 30Mbps to VOIP traffic on a router, is that the same of QOS? or does QOS work in a different way?
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81 votes
3 answers
59k views

How do high traffic sites service more than 65535 TCP connections?

If there is a limit on the number of ports one machine can have and a socket can only bind to an unused port number, how do servers experiencing extremely high amounts (more than the max port number) ...
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-3 votes
1 answer
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Is it possible to limit total traffic for web server? [closed]

I have web-server (nginx) with 1 Gbps port. How can I limit total trafic (sum of input and output) of the server to 100 TB per month?
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  • 101
-2 votes
1 answer
188 views

How much load can my network handle? [closed]

I have an company network that is not that big. A couple of servers, around 100 pcs and 10 printers.I wonder how much traffic load this network can handle. Is there a way to benchmark how much traffic ...
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-5 votes
1 answer
100 views

Network traffic shaping, understanding if a video is being watched from Facebook [closed]

I am tring to determine which web sites are being used, how frequently they are being used, how much data transfer occurs etc.., in my company network . Now my problem when someone is watching a ...
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-2 votes
1 answer
82 views

How to launch a site with high future growth potential. [closed]

I hope I have what is a straightforward question. As I am sure the steps of setting this up are complicated I would like to know a few things. We have a team that has been working on a great ...
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  • 101
4 votes
1 answer
15k views

How can I use PFSense to make streaming videos suck?

Is it possible with PFSense and Traffic shaping to make watching movies really not worth it. We had a problem a while back (our inbound pipe was full) and it got people off youtube and back on to ...
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  • 549
2 votes
1 answer
304 views

DNS Level Load Balancing

Is it possible in this world to achieve DNS Level Load Balancing? For example, I have a Server A (111.222.333.444) and Server B (555.666.777.888), and there be some third party DNS hosting (like ...
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5 votes
2 answers
2k views

How can I handle big traffic spikes on my dedicated server?

I have an E-Commerce site, which gains a sudden peak of very high traffic when I turn on different ads campaigns. From this moment on, my current dedicated server (Hostgator, 4GB Memoray, 100mbps ...
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0 votes
2 answers
1k views

Change the port number of outgoing packets originating from local process

I need to change the outgoing port number of all UDP packets originating from a local process. For example: local machine udp dest:192.168.10.1/255.255.255.0 port 2222 should become (before leaving ...
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2 votes
2 answers
2k views

Does traffic from accessing locally-shared file via UNC path still go through the switch?

if I'm accessing a local file via UNC path, for example //hostname/abc.txt, Will the traffic still go through the switch or it's clever enough to figure out this is a local machine, i.e. will there be ...
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1 vote
1 answer
4k views

Linux tc htb + prio = very slow link

I'm trying to shape the traffic going out of my DSL link (verified 1 mbit upload) using Linux (3.2) tc, HTB, and PRIO. My Linux box is connected via a Gigabit Ethernet link to the ADSL modem. I want ...
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0 votes
3 answers
3k views

Should I add more RAM or CPU on my server? How do I figure this?

I host a PHP/MySQL application with Smarty caching on my server. It routinely gets short traffic spikes via tweets to thousands of followers. The traffic spike goes up to 6 hits /sec for upto 20-30 ...
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0 votes
3 answers
892 views

Server requirement for running an application having huge network traffic

What I am asking is a very common question that comes to any developer's mind when he/she wants to host a server but a precise answer is not easily available. I need to host a server which returns ...
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2 votes
2 answers
5k views

bandwidth monitoring issue on PfSense router

I have a PfSense router installed , where it has 4 interfaces. one of them is WAN and rest 3 are LAN networks, which have different subnets and IP address ranges. wan interface name = em0 lan ...
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