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TMDS243GPEVM: CPSW Ethernet has no link active

Part Number: TMDS243GPEVM

I have built and tested the enet_lwip_cpsw_am243x-evm_r5fss0-0_freertos_ti-arm-clang example project, and the CPSW Ethernet port does not get a link up status. When the example project is run, the following output is generated on the terminal port:

==========================
      ENET LWIP App       
==========================
Enabling clocks!
Starting lwIP, local interface IP is dhcp-enabled
CPSW_3G Test on MAIN NAVSS
PHY 0 is alive
Host MAC address: f4:84:4c:f9:83:df
[LWIPIF_LWIP] Enet has been started successfully
[LWIPIF_LWIP] NETIF INIT SUCCESS
status_callback==UP, local interface IP is 0.0.0.0
UDP server listening on port 5001

The green LED is on, but there is no activity on the yellow LED. The CPSW Ethernet (J14) is connected to a gigabit switch along with the host PC, and the gigabit switch is connected to a router.

How do I get the CPSW ethernet link up condition?