ERROR: DEVICE AE1 NOT FOUND

After you configure LACP (LAG) on the switches Juniper EX3300-24T and Cisco Catalyst 3560 interface is in status down.
If you try to watch statistic (LACP) can see error: device ae1 not found in Juniper. From Cisco side was written
(Gi0/2 suspended: LACP currently not enabled on the remote port) – on remote port doesn’t set up.

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Cisco – Juniper LACP

Example of working configuration aggregated interface  (LACP) on switches Juniper EX3300-24T and Cisco Catalyst 3560.

Link Aggregation Control Protocol (LACP) is part of an IEEE specification (802.3ad) that allows you to bundle several physical ports together to form a single logical channel. LACP allows a switch to negotiate an automatic bundle by sending LACP packets to the peer.

Configuration of Cisco:

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