Network Load Balancing Problems.

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hi,

setup:

server 1 - 2016 connected nlb cluster. 

server 2  - 2016 connected same cluster.

same hardware on both.  on same subnet, confirmed 100%.

multicast mode selected.

more settings here: https://www.screencast.com/t/kgfnc3bh

using iis 10 connected sql server.

problem:

web traffic (about 150 mbps) never balanced.  it shifts , forth every few minutes.

any suggestions on check?

thank you.

 


the microsoft network load balancing cheap, built-in, easy solution.
however, has not same capabilities hardware solutions.

  • basically, ip ranges divided among hosts.
    means computer same ip address redirected same server.

  • if set affinity none, port ranges divided among hosts instead of ip ranges.
    means computer redirected same server if requests made inside particular port range.
    please note not office applications compatible affinity parameter set none.

  • furthermore, microsoft network load balancing checking server's availability through heartbeat mechanism.
    means if web service stopped, or frozen, , not answer on port 443 anymore on 1 of servers, network load balancing still see server available, because still able answer heartbeat request.


more that:
https://technet.microsoft.com/en-us/library/bb687542.aspx


if want balance incoming requests depending on load of each server, need hardware solution.






Windows Server  >  Windows Server 2016 General



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