show ppp

This chapter describes the output of the show ppp command.

show ppp

Table 1. show ppp Command Output Descriptions
Field Description

PPP Summary

The total number of PPP sessions that are in progress (either active, dormant, being set up, and being disconnected).

Layer Info

The layer status for the various control protocols used in the establishing of the PPP status. Information is displayed for the following:
  • LCP: Link Control Protocol

  • IPCP: Internet Protocol Control Protocol

  • CCP: PPP Compression Control Protocol

The information provided represents the total number of sessions that have successfully negotiated the specified control protocol.

Compression

The total number of PPP sessions that meet of each of the following specified characteristics:

Sessions using Van Jacobsen (VJ) header compression in either direction (local to remote or remote to local).

Sessions using Robust Header Compression (ROHC) in either direction (local to remote or remote to local).

Sessions using either the Normal or Stateless compression modes.

Sessions using no compression or one of the following compression protocols in either direction (local to remote or remote to local):
  • STAC

  • MPPC

  • DEFLATE

Errors

The total number of errors recorded for all of the PPP sessions that are in progress (either active, dormant, being set up, and being disconnected). Many of the error statistics are recorded for the receiving (indicated by In) and transmission (indicated by Out) of data packets.

Data Stats

Displays cumulative statistics for all of the data received (indicated by In) and transmitted (indicated by Out).

show ppp full username

Table 2. show ppp full username Command Output Descriptions
Field Description

Username

The subscriber's username.

Callid

The subscriber's call identification (callid) number.

Msid

The subscriber's mobile station identification (MSID) number.

LCP State

Indicates whether or not the Link Control Protocol (LCP) was successfully negotiated (Opened). If not, Not Opened will be displayed.

mtu

The subscriber's maximum transmission unit (MTU) size in octets.

mru

The subscriber's maximum reception unit (MRU) size in octets.

auth algorithm

The protocol the subscriber used for authentication. Possible protocols are:
  • CHAP: Challenge Handshake Authentication Protocol

  • PAP: Password Authentication Protocol

PFC (loc to rem): (rem to loc):

The PPP PFC transmit and receive settings.

(loc to rem): Specifies how Protocol field Compression is applied for PPP packets transmitted to the Peer. Possible values are:
  • ignore

  • apply

  • reject

(rem to loc): Specifies whether Protocol Field Compressed PPP packets can be received from the Peer. Possible values are:
  • allow

  • deny

ACFC (loc to rem): (rem to loc):

Information is displayed for both directions of the session (remote-to-local and local-to-remote).

async map

The PPP asynchronous control character mapping (a 32-bit map). Information is displayed for both directions of the session (remote-to-local and local-to-remote).

IPCP State

Indicates whether or not the Internet Protocol Control Protocol (IPCP) was successfully negotiated (Opened). If not, Not Opened will be displayed.

IP Header comp

Indicates whether or not Van Jacobsen (VJ) header compression or Robust Header Compression (ROHC) is being implemented for the subscriber's session. If neither, none is displayed.

Information is displayed for both directions of the session (remote-to-local and local-to-remote).

Local Address

The PPP local address for the subscriber session.

Remote Address

The IP address assigned to the subscriber's mobile device for the duration of the session.

Primary DNS

Indicates the IP address of the primary Domain Name Server (DNS) assigned to the subscriber.

Secondary DNS

Indicates the IP address of the secondary Domain Name Server (DNS) assigned to the subscriber.

Primary NBNS

Indicates the IP address of the primary NetBIOS Name Server (NBNS) assigned to the subscriber.

Secondary NBNS

Indicates the IP address of the secondary NetBIOS Name Server (NBNS) assigned to the subscriber.

IPV6CP State

Indicates whether or not the Internet Protocol v6 Control Protocol (IPv6CP) was successfully negotiated (Opened). If not, Not Opened will be displayed.

In octs(unframed)

The total number of unframed octets received.

In pkts

The total number of packets received

Out octs(unframed)

The total number of unframed octets sent

Out pkts

The total number of packets sent

In ctrl octs

The total number of control octets received

In ctrl pkts

The total number of control packets received

Out ctrl octs

The total number of control octets sent

Out ctrl pkts

The total number of control packets sent

In framed octs

The total number of framed octets received

Out framed octs

The total number of framed octets sent

In data (unfr/data-cmp) octs

The total number of unframed data compressed data octets received

Out data (unfr/data-cmp) octs

The total number of unframed data compressed data octets sent

In data (iphdr-cmp) octs

The total number of data octets with IP header compression received

Out data (iphdr-cmp) octs

The total number of data octets with IP header compression sent

In data (iphdr-cmp-fail) octs

The total number of data octets with failed IP header compression received

In data (iphdr-cmp-fail) pkts

The total number of data packets with failed IP header compression received

In data (iphdr-rohc) octs

The total number of data octets with ROHC IP header compression received

Out data (iphdr-rohc) octs

The total number of data octets with ROHC IP header compression sent

In data (iphdr-rohc-fail) octs

The total number of data octets with failed ROHC IP header compression received

In data(iphdr-rohc-fail) pkts

The total number of data packets with failed ROHC header compression received

In discards

The total number of input discards

In errors

The total number of input errors

Out discards

The total number of output discards

Out errors

The total number of output errors

Bad address

The total number of bad addresses

Bad control

The total number of bad control messages

Pkt too long

The total number of packets that were too long

Bad FCS

The total number of bad Frame Check Sequences (FCS)

Bad pkt length

The total number of bad packet lengths

Echo req rcvd

The total number of echo requests received

Echo rsp rcvd

The total number of echo responses received

Echo req sent

The total number of echo requests sent

Echo rsp sent

The total number of echo responses sent

Invalid magic-number rcvd

The total number of invalid magic numbers received

show ppp statistics pdsn-service

Table 3. show ppp statistics pdsn-service Command Output Descriptions
Field Description

PPP statistics for pdsn-service

Indicates the name of the PDSN service for which PPP statistics are being displayed.

total sessions initiated

Indicates the total number of subscriber sessions that have been received by the by the system for processing.

session re-negotiated

Indicates the total number of subscriber sessions that have been re-negotiated by the by the system.

successful sessions

Indicates the total number of subscriber sessions that have been successfully connected by the by the system.

failed sessions

Indicates the total number of subscriber sessions that the system has/have failed to process.

total sessions released

Indicates the total number of subscriber sessions that have been disconnected.

failed re-negotiations

Indicates the number of PPP calls that failed while LCP or IPCP was being re-negotiated.

released by local side

Indicates the total number of subscriber sessions that have been dropped by the system.

released by remote side

Indicates the total number of subscriber sessions that have been dropped by the mobile nodes.

Session Failures

LCP failure max-retry

Indicates the number of sessions that were released during setup due to the system not receiving a response prior to the expiration of the maximum number of Link Control Protocol (LCP) retries.

LCP failure option-issue

Indicates the number of sessions that were released during setup due to failed negotiations between the system and the mobile nodes over Link Control Protocol (LCP) options.

LCP failure unknown

Indicates the number of calls that failed because of miscellaneous LCP failures.

IPCP failure max-retry

Indicates the number of sessions that were released during setup due to the system not receiving a response prior to the expiration of the maximum number of Internet Protocol Control Protocol (IPCP) retries.

IPCP failure option-issue

Indicates the number of sessions that were released during setup due to failed negotiations between the system and the mobile nodes over Internet Protocol Control Protocol (IPCP) options.

IPCP failure unknown

Indicates the number of calls that failed because of miscellaneous IPCP related failures.

IPv6CP failure max-retry

Indicates the number of IPv6CP calls that failed after the maximum number of retries.

IPv6CP failure option issue

Indicates the number of sessions that were released during setup due to failed negotiations between the system and the mobile nodes over IPv6CP options.

IPv6CP failure unknown

Indicates the number of calls that failed because of miscellaneous IPv6CP related failures.

Authentication failures

Indicates the number of sessions that were released during setup due to subscriber authentication failures

Authentication aborted

Indicates the number of times that authentication was not successful because the peer failed to provide the required request or response packet in time.

remote terminated

Indicates the number of sessions that were released by the mobile node.

lower layer disconnected

Indicates the number of times that the peer terminated the lower protocol layer.

miscellaneous failures

Indicates the number of session failures that occurred due to reasons other than those listed here.

Session Progress

sessions (re)entered LCP

Indicates the number of sessions entering or re-entering the Link Control Protocol (LCP) phase of call setup.

sessions (re)entered Auth

Indicates the number of sessions entering or re-entering the authentication phase of call setup.

sessions (re)entered IPCP

Indicates the number of sessions entering or re-entering the Internet Protocol Control Protocol (IPCP) phase of call setup.

sessions (re)entered IPv6CP

Indicates the number of sessions entering or re-entering the IPv6CP phase of call setup.

successful LCP

Indicates the number of calls that completed LCP successfully.

successful Authentication

Indicates the number of calls that completed authentication successfully.

Session Re-negotiations

initiated by local

Indicates the number of session re-negotiations initiated by the system.

initiated by remote

Indicates the number of session re-negotiations initiated by the mobile nodes.

address mismatch

Indicates the number of session re-negotiations that occurred due to mis-matched IP addresses.

lower layer handoff

Indicates the number of times that the PDSN service renegotiated PPP because of a suspicious RP handoff.

parameter update

Indicates the number of times that the PDSN service renegotiated PPP to update some PPP parameters (e.g. DNS address obtained from HA for regular MIP)

other reasons

Indicates the number of session re-negotiations that occurred due to reasons other than those listed here.

connected session re-neg

Indicates the number of PPP renegotiation happened for sessions which are already in connected/established state.

Session Authentication

CHAP auth attempt

Indicates the number of sessions that attempted to authenticate using the Challenge Handshake Authentication Protocol (CHAP).

CHAP auth success

Indicates the number of sessions that successfully authenticated using the Challenge Handshake Authentication Protocol (CHAP).

CHAP auth failure

Indicates the number of sessions that failed authentication using the Challenge Handshake Authentication Protocol (CHAP).

CHAP auth aborted

Indicates the number of times that CHAP authorization was aborted due to the fact that the peer failed to provide the required CHAP response packet in time.

PAP auth attempt

Indicates the number of sessions that attempted to authenticate using the Password Authentication Protocol (PAP).

PAP auth success

Indicates the number of sessions that successfully authenticated using the Password Authentication Protocol (PAP).

PAP auth failure

Indicates the number of sessions that failed authentication using the Password Authentication Protocol (CHAP).

PAP auth aborted

Indicates the number of times that PAP authorization was aborted due to the fact that the peer failed to provide the required PAP response packet in time.

MSCHAP auth attempt

Indicates the number of sessions that attempted to authenticate using MicroSoft CHAP (MS CHAP).

MSCHAP auth success

Indicates the number of sessions that successfully authenticated using MicroSoft CHAP (MS CHAP).

MSCHAP auth failure

Indicates the number of sessions that failed authentication using MicroSoft CHAP (MS CHAP).

MSCHAP auth aborted

Indicates the number of times that MSCHAP authorization was aborted due to the fact that the peer failed to provide the required CHAP response packet in time.

sessions skipped PPP Auth

Indicates the number of sessions that skipped PPP authorization.

Session Disconnect reason

remote initiated

Indicates the number of sessions for which the mobile node initiated the disconnection.

remote disc. lower layer

Indicates the number of sessions in which the mobile node disconnected the lower layers of the protocol stack.

admin disconnect

Indicates the number of sessions for which the system initiated the disconnection.

local disc. lower layer

Indicates the number of sessions in which the system disconnected the lower layers of the protocol stack.

idle timeout

Indicates the number of sessions disconnected due to exceeding their idle timeout limit.

absolute timeout

Indicates the number of sessions disconnected due to exceeding their absolute timeout limit.

keep alive failure

Indicates the number of sessions disconnected due to keep alive failures.

no resource

Indicates the number of sessions disconnected due to lack of resources on the local side (CPU and memory).

flow add failure

Indicates the number of sessions for which the Network Processor Unit (NPU) failed to add a flow.

exceeded max LCP retries

Indicates the number of sessions disconnected due to exceeding their maximum number of Link Control Protocol (LCP) retries.

exceeded max IPCP retries

Indicates the number of sessions disconnected due to exceeding their maximum number of Internet Protocol Control Protocol (IPCP) retries.

exceeded max setup timer

Indicates the number of sessions disconnected due to exceeding their maximum amount of time allotted for session setup.

invalid dest-context

Indicates the number of sessions disconnected due to the specification of an invalid destination context.

NOTE: Refer to the System Administration and Administration Reference for additional information about destination contexts and how they are determined.

LCP option-neg failed

Indicates the number of sessions that were disconnected due to failed negotiations between the system and the mobile nodes over Link Control Protocol (LCP) options.

IPCP option-neg failed

Indicates the number of sessions that were disconnected due to failed negotiations between the system and the mobile nodes over Internet Protocol Control Protocol (IPCP) options.

no remote-ip address

Indicates the number of sessions that were disconnected due to the lack of an IP address for the mobile node.

call type detect failed

Indicates the number of sessions that were disconnected due to the system not being able to determine what type of service to provide for the session. The possible services are:
  • pdsn-simple-ip

  • pdsn-mobile-ip

  • ha-mobile-ip

source address violation

Indicates the number of sessions that were disconnected due to source address violations.

exceeded max IPv6CP retries

Indicates the number of sessions disconnected due to exceeding their maximum amount of time allotted for IPv6CP setup.

IPv6CP option-neg failed

Indicates the number of sessions that were disconnected due to failed negotiations between the system and the mobile nodes over IPv6CP options.

remote disc. upper layer

Indicates the number of times a session was disconnected because the remote peer disconnected the upper protocol layer.

long duration timeout

The number of sessions disconnected due to expiration of the long duration timer.

PPP auth failures

The number of sessions that failed due to PPP authorization failures.

miscellaneous reasons

Indicates the number of sessions that were disconnected for reasons other than those listed here.

Session Data Compression

sessions negotiated comp

Indicates the total number of sessions that negotiated the use data compression.

STAC Compression

Indicates the total number of sessions that negotiated the use data compression using the STAC protocol.

MPPC compression

Indicates the total number of sessions that negotiated the use data compression using the MPPC protocol.

Deflate Compression

Indicates the total number of sessions that negotiated the use data compression using the DEFLATE protocol.

CCP negotiation failures

Indicates the number of Compression Control Protocol negotiation failures.

Session Header Compression

VJ compression

Indicates the total number of sessions that negotiated the use of Van Jacobsen (VJ) header compression.

ROHC Compression

Indicates the total number of sessions that negotiated the use of Robust Header Compression (ROHC).

LCP Echo Statistics

total LCP Echo Req. sent

The total number of LCP Echo requests sent to the peer.

LCP Echo Req. resent

The total number of LCP echo requests retransmitted to the peer.

LCP Echo Reply received

The total number of LCP echo replies received from the peer.

LCP Echo Request timeout

The total number of LCP Echo timeouts that occurred since a Reply was not received.

Receive Errors

bad FCS errors

Indicates the number of packets received with an invalid Frame Check Sequence (FCS).

unknown protocol errors

Indicates the number of packets received with an invalid protocol type.

bad Address errors

Indicates the number of packets received with a bad address field.

bad control field errors

Indicates the number of packets received with a bad control field.

bad pkt length

Indicates the number of packets received with an invalid packet length.