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При настроенном Peer Detection, в случае падения Peer-Link, secondary-коммутатор переводит все порты, состоящие в VPC группах, в состояние errdisable с shutdown с логами:
[NOTE] Primary VPC peer no longer detected through Keepalive protocol.
[NOTE] Requesting Primary VPC peer status via DCPDP.
[INFO] This device role is changed to None
[INFO] Interface 1/0/40 detached from lag 2.
[INFO] Interface 1/0/9 detached from lag 3.
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