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Commands Reference, Volume 4

pppstat Command

Purpose

Extracts and displays the RAS (Reliability, Availability, and Serviceability) information of the PPP (Point to Point Protocol) subsystem. This command only applies to AIX 4.1.5.

Syntax

pppstat

Description

The pppstat command provides the capability to monitor particular characteristics of active links. The following information is displayed for all active links:

LCP Multiplexing Layer

Local MRU Specifies the Maximum Receive Unit setting for this host. This is maximum length of a packet that the remote host can send to the local host.
Remote MRU Specifies the Maximum Receive Unit setting for the remote host. This is the maximum length of a packet that we can send to the remote host.
Local To Peer ACCM Specifies the ASYNC Character Map used in the transmission of packets to the remote host.
Peer To Local ACCM Specifies the ASYNC Character Map used by the remote host in the transmission of packets to the local host.
Local To Remote Protocol Field Compression Specifies whether Protocol Compression is used in the transmission of packets to the remote host.
Remote To Local Protocol Field Compression Specifies whether Protocol Compression is used in the transmission of packets from the remote host to the local host.
Local To Remote Address/Control Field Compression Specifies whether Address/Control field compression is being used in the transmission of packets to the remote host.
Remote To Local Address/Control Field Compression Specifies whether Address/Control field compression is being used in the transmission of packets from the remote host to the local host.

LCP Multiplexing Layer prior to PPP negotiating

MRU Specifies the Maximum Receive Unit for receiving packets. This is the value that this host attempted to negotiate with the remote host.
Receive ACCM Specifies the initial remote-to-local ASYNC Character Map that was used in the negotiation.
Transmit ACCM Specifies the initial local-to-remote ASYNC Character Map that was used in the negotiation.
Magic Number Specifies the magic number attempted in negotiation.
Frame Check Size Specifies the length of the Frame Check Sequence that this host attempted to negotiate. This is fixed at 16 bits.

HDLC Framing Layer

Bad Address Fields Specifies the number of times a packet has been received with an incorrect address field.
Bad Controls Fields Specifies the number of times a packet has been received with an incorrect control field.
Oversized Packets Specifies the number of times a packet has been received that has a length that exceeds the Maximum Receive Unit length.
Bad Frame Check Sequence Specifies the number of times a packet has been received with a bad Frame Check Sequence.
Incoming Good Octets Specifies the number of octets received in valid packets.
Outgoing Good Octets Specifies the number of octets sent successfully in packets.
Incoming Good Packets Specifies the number of packets received successfully.
Outgoing Good Packets Specifies the number of packets sent successfully.

The output is sent to stdout. Messages are sent to stderr.

Exit Status

This command returns the following exit values:

0 Successful completion.
>0 An error occurred.

Security

Access Control: Any User

Auditing Events: N/A

Files

/usr/sbin/pppstat Contains the pppstat command.

Related Information

Commands: pppdial.

Daemons: pppcontrold, pppattachd.

Files: profile.

Subroutines: syslog

Asynchronous Point-to-Point Protocol (PPP) Subsystem Overview in AIX 5L Version 5.2 System Management Guide: Communications and Networks.

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