In A-SBC registration, IP tracing messages are received but no SIP tracing message is received.
IP message tracing:
Check the interface address and ARP proxy. It is found that the access-side address and interface address are in the same network segment but the ARP proxy is not configured. Therefore, the access-side address is not processed.
ADD AADDR:ADDRNAME="CTC",HRUMID=151,DMT=ACCESS,LWNPORTGNAME="DEFAULTLWNPORTG",IPVERSION=IPV4,IPV4="x.x.x.21"The ADD ARPPROXY is not configured.
Run the ADD ARPPROXY command to bind the interface address to the service address.ADD ARPPROXY:IFNAME="CTC1",PROXYIP="x.x.x.21";