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Ascend Customer Service

About This Guide

How to use this guide
What you should know
Documentation conventions
Related RFCs
Information about PPP connections
Information about IPX routing
Information about IP routers
Information about OSPF routing
Information about multicast
Information about packet filtering
Information about general network security
ITU-T recommendations
Documentation set
Related publications

Chapter 1 MAX System Administration

Introduction
Activating administrative permissions
System administration parameters
Understanding the administrative parameters
Name
Location and Contact
Date and Time
Term rate and Console
Remote Mgmt
Dial-in and dial-out parameters
Log out parameters
DS0 minimum and maximum resets
High-bit-error parameters
No Trunks Alarm
Edit and Status
Finger requests (RFC 1288)
Configuring the basic parameters
Terminal-server command-line interface
Accessing the interface
Displaying terminal-server commands
Returning to the VT100 menus
Commands for monitoring networks
Commands for use by terminal-server users
SLIP, CSLIP, and PPP
Menu
Specifying raw TCP hosts
Telnet
Rlogin command
TCP
Open, Resume, and Close
Administrative commands
Test
Remote
Set
Show
Kill
Show DNIS session command
Show DNIS statistics command
Clear DNIS statistics

Chapter 2 VT100 Interface DO Commands

Using DO commands
List of supported commands
Example of using DO commands to place and clear a call
DO command reference in alphabetic order
Answer (DO 3)
Beg/End BERT (DO 7)
Beg/End Rem LB (DO 6)
Beg/End Rem Mgm (DO 8)
Close Telnet (DO C)
Contract BW (DO 5)
Diagnostics (DO D)
Dial (DO 1)
Esc (DO 0)
Extend BW (DO 4)
Hang Up (DO 2)
Load (DO L)
Menu Save (DO M)
Password (DO P)
Resynchronize (DO R)
Save (DO S)
Termserv (DO E)

Chapter 3 Diagnostic Commands and Parameters

Sys Diag commands
Restore Cfg
Save Cfg
Use MIF
Sys Reset
Term Serv
Upd Rem Cfg
T1 Line Diag commands
Line LB1
Line LB2
Switch D Chan
Clr Err1
Clr Perf1
Clr Err2
Clr Perf2
E1 Line Diag commands
Line LB1
Line LB2
BRI/LT Line Diag commands
Line LoopBack
Corrupt CRC
Uncorrupt CRC
Rq Corrupt CRC
Rq Uncorrupt CRC
Clr NEBE
Clr FEBE
Host/Dual (Host/6) Port Diag command
Modem Diag parameters
ModemSlot
Modem #N (where N=1-8, 1-12, 1-16)

Chapter 4 VT100 Interface Status Windows

Using the MAX status windows
Navigating the status windows
Default status window displays
Line status windows
Session and system status windows
WAN and Ethernet status windows
Sys Option and Main Status Menu windows
Specifying which status windows appear
Status-window reference in alphabetic order
BRI/LT window
Call Status window
Call Detail Reporting (CDR) window
Dyn Stat window (dynamic status)
Ether Opt window (Ethernet options)
Ether Stat window (Ethernet status)
Ethernet window
FDL N Stats windows
Error-register statistics
Performance-register statistics
FR Stat window
Host/6 (Host/Dual) window
Line Errors window
Line Stat windows
Line Status (BRI) window
Message Log windows
AIM port message logs
System message logs
Log messages
Modem window
Net T1, Net E1 and Net BRI windows
Net Options window
Port Info window
Port Leads window
Port Opts window
PortN Stat window
Routes window
Serial WAN window
Session Err window
Sessions window
Statistics window
Syslog window
Level 4 and Level 6 syslog messages
Level 5 Syslog messages
Example
Disconnect codes and Progress codes
The backoff queue error message in the Syslog file
Syslog messages initiated by a SecureConnect Manger firewall
Sys Options window
System Status window
WAN Stat window

Chapter 5 Network Administration

Administering WAN lines and calls
T1 line diagnostics
E1 line diagnostics
BRI/LT diagnostics
Monitoring transmission quality
Example of performing loopback diagnostics for IDSL
Performing port diagnostics
Disabling digital modems and modem slots
E1 ISDN call information
Incoming call routing state diagram
Managing IP routes and sessions
Working with the IP routing table
Displaying the routing table
Adding an IP route
Deleting an IP route
Displaying route statistics
Pinging other IP hosts
Configuring Finger support
Configuring the DNS Fallback Table
Displaying IP routing and related information
Displaying the ARP cache
Displaying ICMP packet statistics
Displaying interface statistics
Displaying IP statistics and addresses
Displaying UDP statistics and listen table
Displaying TCP statistics and connections
Displaying address pool status
Monitoring IPX routes and sessions
Verifying the transmission path to NetWare stations
Displaying IPX packet statistics
Displaying the IPX service table
Displaying the IPX routing table
Managing OSPF routes and sessions
Working with the routing table
Multipath routing
Third-party routing
How OSPF adds RIP routes
Route preferences
Displaying OSPF information
Displaying the size of the OSPF routing table
Displaying OSPF areas
Displaying general information about OSPF
Displaying information about OSPF interfaces
Displaying OSPF Link-State Advertisements (LSAs)
Displaying OSPF neighbor information
Displaying OSPF routers
Displaying OSPF External AS advertisements
Displaying the OSPF routing table
Displaying summarized OSPF database information
Managing multicast routing
Displaying the multicast forwarding table
Listing multicast clients
Displaying multicast activity
Monitoring Frame Relay connections
Displaying Frame Relay statistics
Displaying link management information
Displaying Data Link Connection Indicator (DLCI)status
Displaying circuit information
Turning off a circuit without disabling its endpoints
Monitoring X.25 and PAD connections
Displaying information about PAD sessions
Displaying information about X.25
Setting up ISDN D-channel X.25 support
PAD service signals
X.25 clear cause codes
X.25 diagnostic field values

Chapter 6 SNMP and Syslog Configuration

Configuring SNMP
Configuring SNMP access security
Enabling SNMP Set commands
Setting community strings
Setting up and enforcing address security
Resetting the MAX and verifying reset
Example of SNMP security configuration
Setting SNMP traps
Understanding the SNMP trap parameters
Example SNMP trap configuration
Ascend enterprise traps
Alarm events
Port state change events
Security events
Supported MIBs
Configuring Syslog
Configuring the MAX to send Syslog messages
Syslog message format
Syslog messages and their meanings
Establishment of a call
Graceful disconnect of a call
Unexpected disconnect of a call
Additional messages
Disconnect codes and progress codes
Disconnect codes and their meanings
Progress codes and their meanings

Appendix A Troubleshooting

Indicator lights
MAX front panel
MAX back panel
ISDN cause codes
Common problems and their solutions
General problems
Calls fail between AIM ports
DO menus do not allow most operations
POST takes more than 30 seconds to complete
Configuration problems
The MAX cannot dial out on a T1 or E1 line
Some channels do not connect
Data is corrupted on some international calls
Only the base channel connects
No Channel Avail error message
Restored configuration has incorrect RADIUS parameters
Hardware configuration problems
Cannot access the VT100 interface
Fault LED is off but no menus are displayed
Random characters appear in the VT100 interface
A Power-On Self Test fails
AIM-port interface problems
The MAX reports data errors on all calls
Calls cannot be made, answered, or cleared using control leads
The codec indicates that there is no connection
The codec does not receive data
The codec cannot establish a call when Data Transmit Ready (DTR) is active
Calls initiated by control-lead toggling are cleared too soon
The codec cannot clear a call
ISDN PRI and BRI interface problems
Calls are not dialed or answered reliably
The Net/BRI lines do not dial or answer calls
No Logical Link status
WAN calling errors occur in outbound Net/BRI calls
ISDN PRI and BRI circuit-quality problems
Excessive data errors on calls to AIM ports
Excessive handshaking on calls to AIM ports
Inbound data is scrambled during an AIM Static call
Problems indicated by the LEDs
LEDs are not lit for the secondary E1 or T1 line
The E1 or T1 line is in a Red Alarm state
A PRI line is in use and the Alarm LED blinks
Problems in accessing the WAN
Only some channels are dialed for AIM or BONDING calls
The MAX never uses some channels
An outgoing call using inband signaling fails to connect to the remote end
Incoming call routing problems
Call status drops back to IDLE
Dual-port call status drops back to IDLE
AIM or BONDING call status drops back to IDLE
Bridge/router problems
The link is of uncertain quality
The MAX hangs up after answering an IP call

Appendix B MAX Diagnostic Command Reference

Using MAX diagnostic commands
Command reference
PPP decoding primer
Breaking down the raw data
Annotated Traces
Example of a PPP connection attempt
Example of MP+ call negotiation
Relevant RFCs

Appendix C Upgrading System Software

Definitions and terms
Guidelines for upgrading system software
Guidelines for downgrading system software
Before you begin
Upgrading system software with a standard load
Using TFTP to upgrade to a standard load
Upgrading system software with a fat or thin load
Recovering from a failed fat load upgrade
Upgrading system software with an extended load
Upgrading system software from versions earlier than 4.6C to version 5.0A or above
Using the serial port to upgrade to a standard or a thin load
Changing to system software that does not support V.90
System messages

Appendix D Machine Interface Format (MIF)

What is MIF?
How to access MIF
Use MIF command
MIF escape sequence
Transfer command
MIF addresses
MIF commands
MIF responses
Loading and saving entities
Getting an entity's current value
Getting the address and value of the next entity
Modifying parameter values
MIF traps and asynchronous reports
Lexical sequence of MIF types
Command line basics
Editor basics

Appendix E Example environments

IP-routing environment
MAX configuration
Pipeline configuration
IP-routing and AppleTalk-routing environment
MAX configuration
Pipeline configuration

Index



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