Connecting a modem 49Variable Valuepeer-ip Configures the peer (PC) IP addresson the point-to-point link. The defaultis 0.0.0.0. The switch assigns thisvalue to any PC that connectsthrough the modem port withconfigured TCP/IP properties toobtain an IP address automatically.If the client uses a static IP address,the Nortel Ethernet Routing Switch8600 accepts this address. If you usePassword Authentication Protocol(PAP) authentication, you mustensure that the client uses the correctIP address.pppfile Specifies the PPP configuration fileyou must use to provide details forauthentication and other optionsthe switch includes during the bootprocess. If you configure the portmode to PPP, you must specify aPPP filename. For more informationabout this file, see “Procedure jobaid: PPP file” (page 49).The PPP file name is a string valueof no more than 64 characters.Identify the file in the format{a.b.c.d:|peer:|/pcmcia/|/flash/}.ATTENTIONDo not specify a PPP filename withmore than 64 characters.restart Shuts down and initializes the port.slip-compression Enables or disables TransmissionControl Protocol over IP (TCP/IP)header compression for SLIP mode.The default is false.slip-rx-compressionEnables or disables TCP/IP headercompression on the receive packetfor SLIP mode. The default is false.Procedure job aid: PPP fileCreate the PPP file with one option on each line; comment lines start witha pound sign (#). The following table lists the available options.Nortel Ethernet Routing Switch 8600CommissioningNN46205-319 01.01 Standard30 May 2008Copyright © 2008 Nortel Networks.