Problem LACP

Topic

We have a virtual chassis with three 6860.  We have a link between the switch and one 6900 router. The problem is with the link aggregate LACP. The link combine the 1/1/28 port and the 3/1/52 port at the switch. My problem is when we lost the link aggregate because one power off at the router for example, the aggregate on the 1/1/28 remains down when recovers the power at the router. The other one, 3/1/52 is up. The switch ID 1 recognize the Mgbic (1 Gb SX) but the laser is off. I have to reboot the virtual chassis to recover the link at the LACP.

Date
17.06.2020
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Author
Asked by gallardosanti

Answers

Do you have phisically the possibility to combine ports within the ID1 1/1/X? if not Pls create eSR. Thank you

Date
17.06.2020
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Any of these in use: UDLD or ERP?

What is the actor admin key of your lacp linkagg (both sides)

Any trap or interface entry in swlog?

Date
17.06.2020
Author
Asked by sputniki
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We have changed the switch ID 1, the fiber and the Gbic and is the same problem.

Date
17.06.2020
Author
Asked by gallardosanti
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