Lantronix SLC 32 Lantronix SLC - User Guide - Page 280
NFS Network File System, NAT Network Address Translation
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Appendix F: Protocol Glossary The SLC device will request the type of number defined by CBCP Client Type - either an Admin-defined Number (the CBCP server determines the number to call) or a User-defined Number (the SLC console manager will provide the Fixed Dial-back Number as the number to call). If the CBCP handshake is successful, the SLC device will terminate the PPP connection, hang up, and wait for the server to dial back. When the server dials and the PPP connection is established, the user will be authenticated via PAP or CHAP (configured with the Authentication setting). For PAP, the Local User list will be used to authenticate the login and password sent by the PPP peer. For CHAP, the CHAP Handshake Host/User Name and Secret/User Password will be used to authenticate the login and password sent by the PPP peer. Once authenticated, a PPP session will be established using either negotiated IP addresses or specific IP addresses (determined by the Negotiate IP Address setting). Notes: In a state where the modem will be answering a call, the modem should always be configured for manual answer, not auto answer. When answering a call, the SLC console manager answers after the 2nd ring. Any text or PPP connection can be terminated by setting the modem state to disabled. NAT (Network Address Translation) An Internet standard that enables a LAN to use one set of IP addresses for internal traffic and a second set of addresses for external traffic. This enables a company to shield internal addresses from the public Internet. NFS (Network File System) A protocol that allows file sharing across a network. Users can view, store, and update files on a remote computer. You can use NFS to mount all or a portion of a file system. Users can access the portion mounted with the same privileges as the user's access to each file. NIS (Network Information System) System developed by Sun Microsystems for distributing system data such as user and host names among computers on a network. NMS (Network Management System) NMS acts as a central server, requesting and receiving SNMP-type information from any computer using SNMP. NTP (Network Time Protocol) A protocol used to synchronize time on networked computers and equipment. PAP (Password Authentication Protocol) A method of user authentication in which the username and password are transmitted over a network and compared to a table of name-password pairs. PPP (Point-to-Point Protocol) A protocol for creating and running IP and other network protocols over a serial link. SLC™ Console Manager User Guide 280