Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [round-robin]

64 questions
2
votes
1 answer

bind zone file setup for dns round robin

I would like to set up load balancing for my website using DNS round robin. My DNS is managed by my own CentOS 6 server running bind. I added the following into my zone file: @ IN NS ns1.mydns.ch. @ …
user788171
  • 279
  • 1
  • 5
  • 13
2
votes
0 answers

Varnish 3.0.5 round robin director not balancing

I have an architecture with two varnish servers sitting in front of 5 webheads. Each varnish server is configured with a round robin backend director, but at times of moderate to high load varnish seems to be heavily favouring the first defined…
shanethehat
  • 143
  • 9
2
votes
0 answers

Load balancing inconsistencies & AD server causing network crawl

We've configured a TS load balancing farm consisting of the Active Directory server which acts as the TS Broker and 6 Terminal Servers who are members of the farm. The load balancing is set to basic DNS round robin and is accessed via a common…
DigitalPaladin
  • 21
  • 1
2
votes
0 answers

How does Round robin policy of MPIO work in Windows 2008 R2

I have a Dell server with a 1G dual port iSCSI adapter. I have installed the NIC driver and using Microsoft iSCSI initiator, map few luns to both the ports and enable MPIO. The target I used was Microsoft iSCSI Software target. In MPIO, I set the…
Strelok
  • 21
  • 2
2
votes
1 answer

Multi-level wildcard DNS matched by *.domain.com?

Q1: Does a DNS rule for *.domain.com match multi-level domain names? In other words, if I just set *.domain.com in my DNS records, will it match all of: a.domain.com b.a.domain.com c.b.a.domain.com as many levels deep as needed, with just that one…
Suman
  • 607
  • 1
  • 6
  • 12
2
votes
2 answers

Multiple DNS A records referencing the same host

If I create multiple DNS A records for the same hosts, for example: my-domain.com A 1.2.3.4 3600s my-domain.com A 4.5.6.7 3600s my-domain.com A 7.8.9.0 3600s Do queries really round robin between the three servers? Is it…
Justin
  • 5,328
  • 19
  • 64
  • 84
2
votes
1 answer

Best practice to connect to Citrix XenApp

What is best practice to connect to your Citrix XenApp servers? Putting the addresses of all servers in a client, or putting one dns entry with multiple a-records?
JapyDooge
  • 348
  • 1
  • 5
2
votes
3 answers

DNS Round Robin only if one goes down?

I've got two servers, equal capabilities in terms of processing power and load. What I am trying to accomplish is this: (I already own and run DNS servers so this shoudln't be a problem). Server A will serve ALL incoming requests to…
U4iK_HaZe
  • 633
  • 5
  • 13
2
votes
2 answers

Does my BIND zone really provide redundancy and load balancing?

We have the following IP addresses (for example): 1.1.1.1 2.2.2.2 Each hosts the same website, but on a different server. We want to do some really simple load balancing by having web users visit a different IP address on each request. Our…
Nick Bolton
  • 5,126
  • 12
  • 54
  • 62
1
vote
2 answers

Can nmap scan/test all answers from round-robin dns?

I have a round-robin dns record I want to test with nmap, currently it only tries one of the IPs (if I run a loop it checks each in order). Is there a way to have nmap test all A/AAAA records from a dns record? example: nmap -p25…
Jacob Evans
  • 7,886
  • 3
  • 29
  • 57
1
vote
1 answer

Does anycast allow for alternate routes to be attempted?

A bit of a bodged up title but I don't know enough of the subject to come up with a more suitable one. I've read time and time again that anycast is a great solution for load balancing and is the preferred solution to DNS load balancing. However, I…
R4D4
  • 189
  • 6
1
vote
0 answers

Windows remote desktop session host high availability login

I had Windows Terminal Server (WS2012 Standard R2), where everything worked as expected. After this I installed 3 more servers and did high availability with 2 connection brokers and 2 session hosts servers, so 4 servers in total now. I have round…
Ales
  • 11
  • 1
1
vote
0 answers

DNS round-robin requests not distributed evenly

We have setup two DNS A records, where each points to a load balancer. nslookup ourdomain.com Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: Name: ourdomain.com Address: 52.8.106.214 Name: ourdomain.com Address:…
Justin
  • 5,328
  • 19
  • 64
  • 84
1
vote
1 answer

Setup an intelligent Round-Robin strategy

According to a lot of research - I discovered the design pattern Round Robin. It basically solves the idea I want to adopt. I want to have a pool with physical servers, each their own IP address that host applications. I want to load balance…
MiningSam
  • 161
  • 1
  • 10
1
vote
0 answers

Can stunnel be used to round robin tcp connections without SSL?

Today, I'm already using stunnel to provide SSL termination to a set of TCP services where the connections are round-robin'ed, this is done, for example, like follows: [myserv] accept = 443 connect = 9274 connect = 9275 connect = 9276 connect =…
Christian
  • 131
  • 3
1
2
3 4 5