I am currently working with Windows 2000 any help would be. Soon these systems will be reversed, so I will have to adjust windows to not look for the CLIENT, but one side at a time. When the Windows PPP connection starts, it transmits CLIENT - which the Solaris box wont respond to (obviously). There's currently no support for filtering on any PPP fields other than the protocol. directly connected (cross over serial cable). Show only the PPP based traffic: ppp Capture Filter Note that the login info in the pppd capture file has been munged slightly thus 'pppdump -p …' shows that certain of the HDLC frames have a bad FCS).Ī complete list of PPP display filter fields can be found in the display filter reference SampleCaptures/ppp-dialup-munged.pppd Linux pppd async dialup connect/disconnect.
SampleCaptures/PPP-config.cap LCP and IPCP configuration of a Direct Cable Connection (WinXP) SampleCaptures/PPPHandshake.cap PPP Handshake using Microsoft Windows VPN Make sure you use the correct /dev/ entry and speed for the serial port Embedded systems tend to configure a serial port as the kernel console, where kernel messages are written, and perhaps configure getty for login sessions over serial as well - you might need to find a way to disable those. (XXX add links to preference settings affecting how PPP is dissected). (See CaptureSetup/PPP for information on capturing PPP control protocol traffic). PPP: Point-to-Point Protocol tutorial rfc 1661, wireshak PPP analysis Wireshark XXX - Add example traffic here (as plain text or Wireshark screenshot). ISDN: PPP can run over an ISDN B channel.Įthernet: PPP can use Ethernet and other protocols in the LanProtocolFamily with PPPoE. PPP can run directly over a serial line (dial-up or directly-connected asynchronous lines and synchronous lines such as T1/E1 lines). The former internet standards SLIP and its compressed cousin CSLIP were used before PPP, but are obsolete now. Today most ISP's offer PPP for serial (telephone) line internet access. PPP may use CHAP for authentication purposes.
It can also be encapsulated over Ethernet with PPP-over-Ethernet (PPPoE) and over ATM with PPP-over-ATM (PPPoA) these are used by many ISP's (Internet Service Providers) for broadband Internet access. PPP is used to transfer IP and other packet based traffic through a serial line.
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