Cisco Systems 8xDMT manual Dmt rate-adaptation enable, Adaptation, use the no form of the command

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Octal-Port DMT ATU-C Line Card

dmt rate-adaptation enable

dmt rate-adaptation enable

 

DMT rate adaptation monitors upstream and downstream DMT ports for signal-to-noise ratio (SNR)

 

margins during specified time intervals. If an unacceptable SNR margin is detected, the port is retrained

 

at a lower bit rate to improve the SNR margins. To enable rate adaptation on a DMT port, use the

 

dmt rate-adaptation enable command at the DSL profile configuration prompt. To disable dmt rate

 

adaptation, use the no form of the command.

 

dmt rate-adaptation enable

 

This command has no arguments or keywords.

 

Enabling dmt rate-adaptation configures the commands dmt rate-adaptation interval and

Defaults

 

dmt rate-adaptation margin with their default values. For information on the default values of

 

dmt rate-adaptation interval and dmt rate-adaptation margin see the “dmt rate-adaptation interval”

 

section on page 22 and the “dmt rate-adaptation margin” section on page 24 .

Command Modes

Command History

DSL profile configuration

ReleaseModification

IOS 12.1(6)DA

This command was introduced.

Usage Guidelines

 

If you wish to modify the default configuration of the dmt rate-adaptation interval and

 

 

dmt rate-adaptation margin see the “dmt rate-adaptation interval” section on page 22 and the “dmt

 

 

rate-adaptation margin” section on page 24 .

 

 

The following example enables dmt rate-adaptationwith default interval and margin values:

Examples

 

 

 

config terminal

 

 

 

dsl-profile austin

 

 

 

dmt rate-adaptation enable

 

 

 

 

 

Related Commands

 

Command

Description

 

 

 

 

 

 

dmt rate-adaptation interval

Sets the upstream and downstream time intervals at which a DMT

 

 

 

port is monitored for SNR margins.

 

 

 

 

 

 

dmt rate-adaptation margin

Sets the SNR values below which the DMT port retrains to a lower

 

 

 

bit rate.

 

 

 

 

Cisco IOS Release 12.1(6)DA

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Contents Octal-Port DMT ATU-C Line Card Feature OverviewBit Swapping Hs Support ITU G.994.1Fast or Interleaved Path Selection Trellis EncodingHardware Documents Software Documents Minrate-blocking Dmt rate-adaptationSupported Platforms DSLAMsNumber of Available 8xDMT Chassis Slots Standards Supported Standards, MIBs, and RFCsStandard Mibs Cisco-Derived MibsConfiguration Tasks Command PurposePrerequisites Upstream on the fast path. Automatically configures Enter DSL profile configuration modeSelect the profile that you want to attach to Selected port. The profile name 8xDMT is used asMonitoring and Maintaining the 8xDMT Line Card Current configuration 7019 bytes Configuration ExamplesCommand Reference Alarms AlarmsSyntax Description Defaults Command Modes Command History Release ModificationExamples Command DescriptionDmt bitrate Command Modes Command HistoryThose port settings Path Aggregate Configuration Data Range DefaultDownstream Upstream Path KbpsDmt check-bytes You, use the dmt bitrate command to reduce the bit rateValues for the connection Downstream and 6 upstreamRelated Commands None Dmt margin Dmt margin downstream dmt-marginupstream dmt-marginReleaseModification Command History Release Modification Syntax Description Defaults Command ModesIOS 12.16DA This command was introduced Dmt minrate-blockingDefaults Command Modes Command History Usage Guidelines Dmt overhead-framingSyntax Description Related Commands Description T1.413 and G992.1 G992.2 Framing Mode Downstream UpstreamAdaptation, use the no form of the command Dmt rate-adaptation enableDmt rate-adaptation enable This command has no arguments or keywordsDmt rate-adaptation interval Defaults Command Modes Command HistoryUpstream monitoring interval is 20 seconds Dmt rate-adaptation margin Dmt rate-adaptation margin min downstream dB upstream dBMin Slot None Global configurationUsage Guidelines Examples Glossary Pseudonym for G.992.1 Problem is found Loss Of Delay SynchronizationLoss of signal Loss of Cell DelineationLAN. Has no password security Providing reliable, connection-oriented full-duplex streamsRemote host and act as normal terminal users of that host VCI VPI

8xDMT specifications

Cisco Systems’ 8xDMT, or "Eightfold Digital Multicast Technology," is a pioneering solution designed to optimize multicast traffic management and enhance the scalability of network performance. This technology comes into play primarily in video broadcasting, online gaming, and other applications that require the efficient distribution of data to multiple endpoints, significantly reducing the bandwidth use while improving overall network efficiency.

One of the primary features of Cisco 8xDMT is its ability to support multiple multicast streams concurrently. By using advanced algorithms, 8xDMT ensures that network resources are utilized efficiently, minimizing latency and maximizing throughput. This makes it particularly advantageous for service providers and organizations that deliver high-definition video content or require real-time data transmission across geographic locations.

Another notable characteristic of the Cisco 8xDMT is its integrated Quality of Service (QoS) capabilities. This feature allows for the prioritization of multicast traffic, ensuring that critical data packets are transmitted smoothly without delay, even during peak load times. The QoS management allows administrators to configure settings that guarantee minimal disruptions, providing end users with a seamless viewing or gameplay experience.

Additionally, Cisco 8xDMT takes advantage of Multicast Domain Name System (mDNS), which allows devices on the same network to discover and communicate efficiently. This not only aids in reducing the network load but also simplifies the management of multicast addresses, making it easier for organizations to scale their operations without significant overhead.

The technology also incorporates robust security features, including support for secure multicast transmissions. This ensures that sensitive data remains protected during distribution, addressing the increasing need for security in an era where cyber threats are prevalent.

Furthermore, Cisco Systems emphasizes interoperability with its 8xDMT platform, ensuring easy integration with existing network infrastructure. This is crucial for enterprises looking to modernize their systems without the need for extensive reinvestment in new hardware.

In conclusion, Cisco Systems’ 8xDMT stands out as a versatile and high-performance multicast solution designed to meet modern networking demands. With its ability to manage multiple streams, enforce QoS, simplify multicast management, and secure communications, it holds significant potential for transforming how organizations distribute data efficiently and effectively.
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