Configure the Local Name
You can configure the value sent in CHAP challenge and response packets on a per-interface basis. By default, each interface uses the router's system host name as the name sent in CHAP challenge and response packets.
To configure the name sent in CHAP challenge and response packets, include the
local-namestatement at the[edit interfacesinterface-nameppp-options chap]hierarchy level:[edit interfacesinterface-nameppp-options chap]local-namename;