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colin1256
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Joined: Tue Jan 21, 2014 1:46 pm

MLAG-Aggregating multiple Routers and Switches

Wed May 17, 2023 3:48 pm

Hi all,

I hope what I want to do is possible:
I'm running two CCR2216-1G-12XS-2XQ. For High-Availability, they are connected by a 2x 100 GBit Bond. Servers are LACP-aggregated directly onto the CCRs. As far as the CCRs are concerned, I'm using MLAG for the Servers and downstream connections to two CRS326-24S+2Q+, which act as distribution-switches (due for replacement).

Ideally, I'd like to also bond these two distribution-Switches and make them highly-available too.

However, my experiments with enabling both MLAG on the CRS and the CCRs and then creating a 4-port "High-Availability" LACP-Bond between the 4 devices have been unsuccessful. Each time I try, I start to get a lot of packet-losses.

Is MLAG on Mikrotik currently only able to support single devices that connect to Routers/Switches using LACP-Bonds or is there a way to bond two groups of 2 devices?

Thanks a lot in advance!


Best regards

Colin

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