Which of the following statements about the home agent are true?

The home agent is a device that communicates with the gateway on the STAs’ home network at Layer 3 and maintains the binding entries of STAs’ home addresses and care-of addresses. A home WAC can function as a home agent of STAs, while a home AP cannot.

References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/mobile-ip