I've an odd issue with the 40Gbit QSFP+ in our setup. For now I've reduced the setup to the following simple setup and the issue still occur.
2 x CRS326-24S+2Q+RM running lateste stable RouterOS 6.48.4. Both reset to default config (/system reset-configuration).
interconnected using 2 x Q+DA0001 cable (Our actual setup is a more complex MSTP Spanning Tree).
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Switch 1 qsfpplus2-1 -------------------|
qsfpplus2-1 ------------| |
| |
| |
Switch 2 qsfpplus2-1 ------------| |
qsfpplus1-1 -------------------|
In the log I can see only this:
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00:33:43 interface,info qsfpplus2-1 link down
00:33:44 interface,info qsfpplus1-1 link down
regards
Romeo