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Windows Server Forum / Exchange Server / Design / June 2006Inbound Routing
Hi Newsgroup, All inbound email to our Exchange setup will first pass through an AV/NLB cluster siiting in the DMZ. At the back-end we have a three node A/A/P mailbox cluster. My question is, at the DMZ what backend cluster address should it direct the email to?....EVS ip, phyiscal node ip, or the cluster ip ?. The answer needs to ensure resiliance in the event of any failure. Cheers! EVS IP - which will also be associated with the default SMTP virtual server. If you have more than 1 SMTP virtual server resources in the EVS, you will need to decide which one handles all inbound mail and what the other SMTP VS are for.  SignatureBharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- > Hi Newsgroup, > [quoted text clipped - 6 lines] > needs > to ensure resiliance in the event of any failure. Cheers! As I have two active EVS, how can i make sure that they are both working as hard as each other - could I simply point my AV/NLB cluster to EVS1 and EVS2 for inbound mail to the ORG - I need both to look busy! > EVS IP - which will also be associated with the default SMTP virtual server. > If you have more than 1 SMTP virtual server resources in the EVS, you will [quoted text clipped - 10 lines] > > needs > > to ensure resiliance in the event of any failure. Cheers! Depends on your AV/NLB cluster if it lets you load-balance.... you could point it to both EVSes if you wish. Typically in larger environments the non-Exchange hosts that handle inbound mail deliver it to bridgeheads which can then route within the Exchange Org to the server that hosts recipient's mailbox, but this isn't necessary if you your cluster nodes have enough capacity to handle this task. SignatureBharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- > As I have two active EVS, how can i make sure that they are both working > as [quoted text clipped - 21 lines] >> > needs >> > to ensure resiliance in the event of any failure. Cheers! |
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