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Uplink-ID 0 in Nexus 5500 with FEX 2248.

Fernando Bello
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Hi all,

I've got 2 Nexus 5548 and a fex 2248 connected to both of them via a vPC. 1 Uplink port goes to N5K-01 e1/10 and a second Uplink port goes to N5K-02 to port e1/10.

On the log of the first Nexus 5500 I see this:

N5K-01 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 0 of Fex 103 that is connected with Ethernet1/10 changed its status from Configured to Fabric Up
N5K-01 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 1 of Fex 103 that is connected with Ethernet1/10 changed its status from Fabric Up to Connecting
N5K-01 1 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 1 of Fex 103 that is connected with Ethernet1/10 changed its status from Connecting to Active

On the log of the second nexus 5500, I see this:

N5K-02 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 0 of Fex 103 that is connected with Ethernet1/10 changed its status from Configured to Fabric Up

N5K-02 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 2 of Fex 103 that is connected with Ethernet1/10 changed its status from Fabric Up to Connecting

N5K-02 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 2 of Fex 103 that is connected with Ethernet1/10 changed its status from Connecting to Active

What is the difference between Uplink-ID 0, 1 and 2? If I only have 2 uplink ports, why is there a third one?

Thanks in advace for your assistance.

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