Hello everyone, I have a hub router at my data center serving approx. 90 spokes. While my infrastucture is implementing spoke-to-spoke tunnels for inter-branch communication, all my application servers are still behind the hub router at the data center. All exchange clients at the company are setup with the offline mode turned on which means, each and every single email is downloaded by the client. On a normal day this doesn't cause too much grief as we do have a 100 meg pipe out of the data centre however when someone returns after 2 weeks vacation and then start downloading their emails, it bogs down our bandwidth at the DC. We are an engineering firm therefore most my clients emails' contain large attachments. Just today I got an alert that the 100meg pipe had reached 70% of it's capacity.
So my question is this, is there a way I can implement some kind of qos policy on the router that will restrict bandwidth usage for exchange?
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Although policing your exchange at its source will keep it from taking using too much bandwidth, a more optimal solution would be QoS prioritization at your bottleneck. This so email can use bandwidth in such a way it isn't adverse to other traffic, but transfers as quickly as it can. Activation of FQ at the WAN egress might be the most simple and yet beneficial (even beyond just email). If your spokes have less than 100 Mbps, shaping for each might also be considered.
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