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Forum Discussion

Danielle_Daigle's avatar
Danielle_Daigle
Icon for Nimbostratus rankNimbostratus
Aug 20, 2014

Setting Virtual Server to Load balance Windows DNS Server.

Hi all, i am trying to setup a virtual Server to load balance 3 Windows DNS (DC) server. I followed the documentation dns-load-balancing-dg.pdf, ran the template Generic DNS and from the BigIP si...
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Danielle_Daigle's avatar
Danielle_Daigle
Icon for Nimbostratus rankNimbostratus
Sep 02, 2014

i ran this on the bigip :

 

tcpdump -nni 0.0:nnn -s0 -w /var/tmp/output.pcap '(host 172.20.239.146 or host 172.20.31.21 port 53)' or icmp -v

172.20.31.21 is the DC with DNS Service Down. Then from my wks i did a nslookup i have the capture and here's what i see comming from my wks.

 

nitass's avatar
nitass
Icon for Employee rankEmployee
Sep 03, 2014
i thought you are going to capture health monitor traffic (between non-floating selfip on bigip and dns server ip) which marks pool member up but dns server is down.