Document ID: 17635
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
Contents - Debugging a Compatible Systems Router Log
PPP Protocol Values
PPP Negotiation Packets
Option Abbreviations
NetPro Discussion Forums - Featured Conversations
Related Information
Introduction
This document contains information on debugging a compatible systems router log.
Prerequisites
Requirements
There are no specific requirements for this document.
Components Used
This document is not restricted to specific software and hardware versions.
The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.
Conventions
Refer to Cisco Technical Tips Conventions for more information on document conventions.
Contents - Debugging a Compatible Systems Router Log
PPP Protocol Values
|
PPP Protocol Name |
Value |
CP Data |
|
|---|---|---|---|
|
Internet Protocol |
IPCP |
8021 |
0021 |
|
DECnet Phase IV |
DNCP |
8027 |
0027 |
|
Appletalk |
ATCP |
8029 |
0029 |
|
Novell IPX |
IPXCP |
802B |
002B |
|
VJ Compressed TCP/IP |
002D |
||
|
VJ Uncompressed TCP/IP |
002F |
||
|
Bridging PDU |
BCP |
8031 |
0031 |
|
NetBIOS Frame Protocol |
NBFCP |
803F |
003F |
|
Compression |
CCP |
80FD |
00FD |
|
Link Control Protocol |
LCP |
C021 |
|
|
Password Authentication Protocol |
PAP |
C023 |
|
|
Link Quality Protocol |
LQM |
C025 |
|
|
Call-Back ControlProtocol |
CBCP |
C029 |
|
|
Challenge-Handshake Authentication Protocol |
CHAP |
C223 |
PPP Negotiation Packets
|
Logs |
Name |
Description |
|---|---|---|
|
src() |
Send-Configure-Request |
Send our list of desired options. |
|
sca() |
Send-Configure-Ack |
We accept the options in his conf-req. |
|
scn() |
Send-Configure-Nak |
We did not like some of his objects and suggest alternatives. |
|
scj() |
Send-Configure-Reject |
We do not want to negotiate the listed options. |
|
str() |
Send-Terminate-Request |
We want to terminate the connection of this protocol. |
|
sta() |
Send-Terminate-Ack |
We agree to terminate the connection of this protocol. |
|
sdj() |
Send-Code-Reject |
We do not understand this code, do not send it anymore. |
|
spj() |
Send-Protocol-Reject |
We do not understand this protocol, do not send it anymore. |
|
ser() |
Send-Echo-Request |
Send a diagnostic packet. |
|
sey() |
Send-Echo-Reply |
We reply to a diagnostic packet. |
|
sdr() |
Send-Discard-Request |
Send a one way diagnostic packet. |
|
sid() |
Send-Identification |
Information about our implementation—not implemented. |
|
stm() |
Send-Time-Remaining |
Time remaining in this sessions—not implemented. |
|
srr() |
Send-Reset-Request |
Used to tell the other side that there is a decompression failure. They reset their compressor. Valid with CCP only. |
|
sra() |
Send-Reset-Ack |
Used to tell the other side that we reset our compressor and that compression can start again. Valid with CCP only. |
|
rcr() |
Receive-Config-Request |
His list of desired options. |
|
rca() |
Receive-Configure-Ack |
He accepts our list of options. |
|
rcn() |
Receive-Configure-Nak |
He does not like some of our options and suggests alternatives. |
|
rcj() |
Receive-Config-Reject |
He does not want to negotiate the listed options. |
|
rtr() |
Receive-Terminate-Req |
He wants to terminate this protocol's connection. |
|
rta() |
Receive-Terminate-Ack |
He agrees to terminate this protocol's connection. |
|
rdj() |
Receive-Code-Reject |
He does not understand this protocol, we no longer send it. |
|
rpj() |
Receive-Protocol-Reject |
He does not understand this protocol, we no longer send it. |
|
rer() |
Receive-Echo-Request |
He sends a diagnostic packet. |
|
rey() |
Receive-Echo-Reply |
He replies to a diagnostic packet. |
|
rdr() |
Receive-Discard-Request |
Got a one-way diagnostic packet. |
|
rid() |
Receive-Identification |
Information about his implementation—not implemented. |
|
rtm() |
Receive-Time-Remaining |
Information about time remaining in this session—not implemented. |
|
rrr() |
Receive-Reset-Request |
The other side tells us there is a decompression failure. We reset our compressor. Valid with CCP only. |
|
rra() |
Receive-Reset-Ack |
The other side has reset its compressor and compression can start again. Valid with CCP only. |
|
open() |
administrative open |
Allow this protocol to be negotiated. |
|
close() |
administrative close |
Do not allow this protocol to be negotiated. |
|
up() |
This protocol is available for use and option negotiation can begin. |
|
|
down() |
This protocol is not available for use. |
|
|
timeout() |
A response to a PPP request is not received within 4 seconds. Retry up to 10 times, then fail. |
|
|
tlu() |
This-Layer-Up |
The PPP negotiation for this protocol is successful. Traffic can now be carried. |
|
tld() |
This-Layer-Down |
This protocol is unavailable and can no longer carry traffic. |
|
tls() |
This-Layer-Starting |
PPP is ready to negotiate when the link comes up. |
|
tlf() |
This-Layer-Finished |
PPP is done with this protocol. |
|
irc() |
init restart counter |
Initialize the PPP retry counter to 10. |
|
zrc() |
zero restart counter |
Force the PPP retry counter to zero. |
Option Abbreviations
-
accm—Async Character Control Map
-
pfc—Protocol Field Compression
-
acfc—Address & Control Field Compression
-
mru—Maximum Receive Unit
-
vj—Van Jacobson TCP Header Compression
NetPro Discussion Forums - Featured Conversations
| NetPro Discussion Forums - Featured Conversations for Router and IOS Architecture |
| Network Infrastructure: LAN Routing and Switching |
| Network Infrastructure: WAN Routing and Switching |
Related Information
| Updated: May 03, 2004 | Document ID: 17635 |
