CONFIGURING OTHER ADVANCED OPTIONSOVERVIEWThis chapter provides information for configuring advanced system options that are not covered inthe previous chapters. These options include:• configuring PPP• configuring default line protocol• configuring log options• configuring system compression options• configuring TFTP• configuring file attributesPPP C ONFIGURATIONCONFIGURING PPPNote: A thorough understanding of PPP protocol is required before you attempt to change thePPP configuration. By changing the PPP configuration, you are changing the PPP protocolnegotiation parameters. These parameters only need to be changed when you areattempting to interoperate with devices that do not provide a standard PPPimplementation. Changing these parameters can result in PPP option negotiation failureand the inability to communicate with remote devices. The default parameters areadequate for most sites.U SING CFGEDIT1. Select PPP Options from the options menu.2. Change the Global PPP options.a. Change the max terminate value.b. Change the max configure value.c. Change the max failure value.d. Change the restart timer value.3. Change the LCP configuration options.a. Change the LCP protocol field compression (PFC).b. Change the LCP address control field compression (ACFC).4. Change the IPCP configuration options.a. Change the IPCP IP address negotiation initiation.5. Change the Link Failure Detection Options.a. Enable or disable the link failure detection feature.b. Set the echo frequency.c. Configure the maximum attempts.