Is it possible to configure users on the internal network to use the DR Internet connection when the primary connection is full, or some percentage of being full?
At the moment we have the default gateway of the users as a dynamic route learned from the HQ edge router.
We have OSPF internally and BGP on the edges.
The edge advertises the default gateway to the core switches via BGP distribution into OSPF. If the HQ Internet goes down, the DR Internet takes over. The DR Default Gateway has a higher AD and is only in play if the HQ Internet connection is down.
Is it possible to use the DR internet connection that is just sitting and doing nothing?
you mean load-balancing between links at different locations?? Assuming ur default gateway would be redistributed in to ospf with same cost at both locations, it then lies with ospf to do the trick. This may require varying metrics for the links connecting the PR & DR. Not advisable.
Dont know if that is possible. Even if its possible, u'll end up adding more load to the intranet links due the internet traffic flow all the way to DR. A better option is to have ur people located at DR site to access the internet with DR internet link.
Another option for forced usage is by applying PBR.
We are pleased to announce availability of Beta software for 16.6.3.
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