B. SNMP MIBs, Traps, and RMON Alarm Defaults

Table B-6. linkUp and linkDown Variable-Bindings (3 of 3)

Interface

Variable-Bindings

Possible Cause

Frame Relay Logical Link Sublayer – Represented by entry in MIB II Interfaces Table.

Synchronous

ifIndex (RFC 1573)

 

linkDown – LMI is down for the

Data Port

ifAdminStatus (RFC 1573)

 

LMI Protocol configured, or

(CSU/DSU only)

 

Frame Relay link is disabled. If

 

 

Service Side of the

ifOperStatus (RFC 1573)

 

LMI Protocol is not configured,

 

 

a linkUp/linkDown trap is based

Frame Relay UNI

￿devLastTrapString

 

 

solely on whether the interface

 

(devHealthAndStatus.mib)

 

(Supported by the

￿is enabled or disabled.

Frame Relay

 

 

Strings:

Extension MIB and

 

 

‘$ifString LMI down.’ (No

media-specific

 

 

alarms exist on the link.)

Frame Relay

 

 

‘$ifString administratively shut

Services MIB.)

 

 

 

 

down.’ (Due to an intentional

 

 

 

Network

 

 

shutdown.)

 

 

 

 

 

 

linkUp – LMI is up or Frame

(Supported by the

 

 

Relay link is enabled.

 

 

String:

Frame Relay

 

 

Extension MIB and

 

 

‘$ifString up.’

media-specific

 

 

 

Frame Relay DTE’s

 

 

 

MIB.)

 

 

 

 

 

 

 

ATM Logical Link Sublayer

 

 

 

 

 

 

Network

ifIndex (RFC 1573)

￿

linkDown – One or more alarm

 

ifAdminStatus (RFC 1573)

conditions are active on the

 

link.

(Supported by an

 

 

ifOperStatus (RFC 1573)

 

– Loss of Cell Delineation

entry in the MIB-II

 

 

 

 

Interfaces Table.)

￿devLastTrapString

 

Strings:

 

(devHealthAndStatus.mib)

￿‘$ifString down.’ (The physical

 

 

 

link is down.)

 

 

 

‘$ifString down due to Loss of

 

 

 

Cell Delineation.’

 

 

 

‘$ifString administratively shut

 

 

 

down.’ (Due to an intentional

 

 

 

shutdown.)

 

 

 

linkUp – No alarms on the link.

 

 

 

String:

 

 

 

‘$ifString up.’

 

 

￿

 

B-10

December 2002

9700-A2-GB20-20

Page 249 Page 251
Page 250
Image 250
Paradyne 9788, 9720 manual Mib, ATM Logical Link Sublayer
Page 249 Page 251

9720, 9788 specifications

The Paradyne 9820-8M, 9788, 9128 standalone, 9128 carrier-mount, and 9820-2M are critical components in telecommunications networks, designed to enhance data transmission and improve connectivity. Each model offers unique features and capabilities that cater to various requirements in both enterprise and service provider environments.

The Paradyne 9820-8M is a multi-service access platform that provides high-speed connectivity for voice, video, and data transmission. It supports multiple protocols, enabling seamless integration into existing infrastructures. Key features include a modular design that allows for scalability and easy upgrades, ensuring that organizations can adapt to evolving demands. Its advanced error correction and QoS (Quality of Service) features ensure reliable performance, even in challenging network conditions.

The Paradyne 9788 serves as a versatile platform for both digital and analog communications. It excels in the delivery of broadband services, supporting T1/E1 lines and providing robust mechanisms for data transmission. This model emphasizes redundancy and resilience, with built-in protection switching capabilities that maintain service continuity during faults or maintenance activities. Its compact design makes it an ideal solution for environments with space constraints.

The 9128 standalone model is aimed at customers requiring an easy-to-deploy solution for point-to-point connections. This model offers critical features such as an intuitive user interface, comprehensive diagnostics, and monitoring capabilities that facilitate system management. It also supports diverse network topologies, making it suitable for various deployment scenarios.

In contrast, the 9128 carrier-mount version is engineered for organizations needing to manage multiple connections within a central office or remote site. This model is specifically designed to be mounted in standard telecom racks, optimizing space utilization while maintaining high performance. Its robust hardware allows for excellent thermal management and environmental resilience.

Lastly, the Paradyne 9820-2M combines versatility with high-performance capabilities, making it a reliable choice for service providers. It features dual-channel support, enabling simultaneous transmission and providing a cost-effective solution for high-capacity data needs. With enhanced security features, including encryption capabilities, the 9820-2M ensures that sensitive information transmitted across networks is protected against unauthorized access.

Collectively, these Paradyne models exemplify advanced telecommunications technology, offering scalability, resilience, and high performance. Their diverse features cater to the unique demands of various users, from enterprise networks to service providers, facilitating the continual evolution of communication technologies.
Top Page Image Contents