NLB multicast (MAC Address)

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at customer having problems tmg hosted on hyper-v (2012). problem have never seen before hyper-v (2008 r2).

scenario:
have tmg array (two servers) running on 2 hyper-v nodes. tmg configured nlb in unicast mode. everthing works, there problem upload speed. upload speed 20% of orgional speed. known problem (kb) , should solved hotfix included in service pack 2 of tmg. in our case problem still remains. have tried everthing can imagine. apparantly issue occurs when nlb in unicast mode is enabled.

solution (possible):
problem imiddiatly solved when nlb configured in multicast mode. but... once reboot 1 of nlb nodes stops working! known issue unicast, therefore recommended (according many blogs) configure nlb cluster mac address static mac address on virtual machine. but... hyper-v not accept multicast mac address, unicast mac address. says invalid.

question:
does hyper-v (2012) support nlb in multicast mode (where nlb nodes reside on different hyper-v hosts)? there way work-around issue?

boudewijn plomp, bpmi infrastructure & security

the problem solved. tmg cluster connected smb (smal medium business) switch not handle nlb well. tmg connected cicso catalyst 3850 , working properly!

boudewijn plomp, bpmi infrastructure & security | please remember, if see post helped please click "vote helpful" , if answered question, please click "mark answer".



Windows Server  >  Hyper-V



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