Frame Relay PVC Problems

Troubleshooting

Table 6-3. Frame Relay PVC Problems

Symptom	Possible Cause	Solutions

No receipt or	Cross Connection of the	Verify the PVC connections
transmission of data.	DLCIs are configured	and DLCIs by checking the
	incorrectly.	network-discovered DLCIs on
		the LMI Reported DLCIs screen.

	DLCI is inactive on the	H Verify that the DLCI(s) is
	frame relay network.	active on the PVC Connection
		Status screen. If the DLCI(s)
		is not active, contact the
		service provider.
		H Verify the LMI Reported DLCI
		field on the Interface Status
		screen.

	DTE is configured	Check the DTE's configuration.
	incorrectly.

	LMI is not configured	Configure LMI characteristics to
	properly for the DTE or	match those of the DTE or
	network.	network.

	LMI link is inactive.	Verify that the LMI link is active
		on the network; the Status Msg
		Received counter on the Network
		Frame Relay Performance
		Statistics screen increments.

Losing Data.

CIR and Excess Burst Size	Verify the configured Network
are inadequate for the	PVC settings, then increase the
throughput required.	settings, as needed, or decrease
	throughput on the PVC.

Frame relay network is	Run PVC Loopback and Pattern
experiencing problems.	tests to isolate the problem, then
	contact the service provider.

Out of Sync	If Monitor Pattern was	H Verify that the unit at the
message.	selected, it means the test	other end is configured to
	pattern generator and	Send Pattern.
	receiver have not yet	Correct unit configurations.
	synchronized.	Correct unit configurations.
	synchronized.
	CIR settings for the units at	H Correct the CIR setting so
	CIR settings for the units at	both units are configured the
	each end are mismatched.	both units are configured the
	each end are mismatched.	same.
	If the message persists, it	same.
	If the message persists, it	H Check the line's error rate ±
	means that 5 packets out of	H Check the line's error rate ±
	means that 5 packets out of	the physical line quality.
	25 are missing or are out of	the physical line quality.
	25 are missing or are out of	Contact the service provider.
	sequence.	Contact the service provider.

9664-A2-GB20-00

March 2000

6-11

9664 specifications

The Paradyne 9664 is a high-performance broadband multiplexer designed for the reliable transmission of data over various types of communication media. This advanced device enables businesses and service providers to integrate multiple digital signal formats into a single high-capacity transmission line, thereby optimizing bandwidth usage and enhancing overall network efficiency.

One of the standout features of the Paradyne 9664 is its ability to support multiple protocols, including T1, T3, and Ethernet. This versatility allows users to consolidate their networking infrastructure, reducing the need for multiple types of equipment and simplifying network management. The device's capability to handle diverse data formats not only makes it suitable for various applications but also ensures future-proofing as technology continues to evolve.

The Paradyne 9664 utilizes advanced Time Division Multiplexing (TDM) technology, which enables it to allocate bandwidth dynamically based on real-time traffic demands. This intelligent bandwidth allocation helps to reduce latency and ensures that critical applications receive the necessary resources when needed. Additionally, the system features robust error correction algorithms to minimize data loss during transmission, enhancing the reliability of the network.

In terms of characteristics, the Paradyne 9664 is designed with user-friendliness in mind. Its modular architecture allows for easy upgrades and scalability, making it an attractive option for growing businesses. The device also features a comprehensive set of diagnostic tools, enabling network administrators to monitor performance and troubleshoot issues effectively.

Another noteworthy aspect of the Paradyne 9664 is its security features. With built-in encryption capabilities and the option to implement virtual private networks (VPNs), the device provides secure data transmission, protecting sensitive information from unauthorized access.

Overall, the Paradyne 9664 stands out as a robust, flexible, and efficient solution for organizations looking to enhance their communication networks. With its combination of advanced technologies, user-centric design, and strong security measures, it is well-equipped to meet the demands of today’s dynamic networking environment, making it an essential tool for businesses aiming to maintain a competitive edge in an increasingly connected world.

Paradyne 9664 manual Frame Relay PVC Problems Symptom Possible Cause Solutions

Models: 9664