How to redirect part of the traffic to the tunnel on Mikrotik?

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Nday0012020-09-09 20:37:38

Mikrotik

Nday001, 2020-09-09 20:37:38

Our organization has 2 offices in geographically different locations. Each office is connected to the Internet through 1 provider. The speed of Internet access is 20Mbps in each office, but the speed between our offices is 100Mbps. The provider does not cut the speed within its network (Rostelecom), providing us with Internet access with white static addresses, bringing 1 cable to the office, and not a VPN.
Question:
Can I double the maximum Internet access speed in each office if I raise a GRE tunnel between MIKROTIK (RTT 7ms) and redirect half the traffic through the WAN and the other half through the GRE tunnel, and the router on the other end of the tunnel will send traffic through wan?
How can I implement it? Can I achieve a peak speed of 40Mbps for one host, or at best 20Mbps for two hosts? (as with dual WAN)

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3 answer(s)

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nApoBo3, 2020-09-10
@nApoBo3

It depends on the type of traffic and settings, but in the general case, a maximum of 20 Mbps per client.
I would not recommend such a configuration. It is configured in the same way as two wans, only you additionally need to tag traffic from the tunnel so that it is not sent back to the tunnel.

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CityCat4, 2020-09-10
@CityCat4

Can I double the maximum speed of Internet access in each office if I raise the GRE tunnel

This is googled at times and there were dozens of questions about it. It is impossible to make one wide hole out of two narrow holes. All that can be achieved is either to scatter services across channels (http - there, smtp - here), or (for those who can do this) - to achieve a part jump through one channel, part through another. So as far as I know, only torrents can.
In addition, the routing scheme will be confused. It will be necessary to mark on the first microtic the traffic that should go into the tunnel, and the answers will also have to be marked on the second, because they will come on the second.

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poisons, 2020-09-12
@poisons

It doesn't make sense in your situation. Potentially, you can wrap all the Internet traffic of office2 through the first office, but what's the point?
Usually this makes sense when you have two unequal channels, in the first office 100 Mbps, and in the second only 5.
Well, yes, the provider can burn this and start shaping traffic between offices.