Recognizing a Potential MTU Problem

Usage Notes

Adjusting the Maximum Transmission Unit (MTU) Value - Windows Only

VPN Encapsulation adds to the overall message length. To avoid refragmentation of packets, the VPN Client must reduce the MTU settings. The default MTU adjusted value is 1300 for all adapters. If the default adjustments are not sufficient, you may experience problems sending and receiving data. To avoid fragmented packets, you can change the MTU size, usually to a lower value than the default. To change the MTU size, use the VPN Client SetMTU utility. If you are using PPPoE, you may also have to set the MTU in other locations. Refer to the following table for the specific procedures for each type of connection.

The MTU is the largest number of bytes a frame can carry, not counting the frame's header and trailer. A frame is a single unit of transportation on the Data Link Layer. It consists of header data, plus data that was passed down from the Network Layer, plus (sometimes) trailer data. An Ethernet frame has an MTU of 1500 bytes, but the actual size of the frame can be up to 1526 bytes (22-byte header, 4-byte CRC trailer).

If you can connect with the Cisco VPN Client but cannot send or receive data, this is likely an MTU problem. Common failure indications include the following:

•You can receive data, such as mail, but not send it.

•You can send small messages (about 10 lines), but larger ones time out.

•You cannot send attachments in email.

Setting the MTU Value

If you are not experiencing a problem, do not change the MTU value. Usually, an MTU value of 1300 works. If it doesn’t, the end user must decrease the value until the Cisco VPN Client passes data. Decrement the MaxFrameSize value by 50 or 100 until it works.

The following table shows how to set the MTU value for each type of connection.

Release Notes for VPN Client, Release 4.0 through Release 4.0.5.D

	OL-5450-10	19

OL-5450-10 specifications

The ISEKI OL-5450-10 is a compact yet powerful tractor designed for a variety of agricultural tasks. It stands out in the market for its impressive combination of performance, efficiency, and user-friendly features, making it an ideal choice for both professionals and hobby farmers.

One of the main features of the OL-5450-10 is its robust 54 horsepower engine. This 3-cylinder water-cooled diesel engine is engineered for excellent fuel efficiency and reliability, providing the power needed for demanding agricultural operations. The engine’s design includes an efficient combustion chamber and advanced fuel injection technology, which contribute to lower emissions and reduced operating costs.

The transmission system of the ISEKI OL-5450-10 is another remarkable feature. It comes equipped with a synchronized transmission offering up to 12 forward and 12 reverse gears. This allows operators to choose the most suitable speed for different tasks, whether it be plowing, towing, or transporting materials. The easy-to-use gear shift mechanism ensures smooth transitions, minimizing the operator's fatigue during long working hours.

In terms of versatility, the OL-5450-10 is compatible with a wide range of attachments and implements. The tractor’s three-point hitch can handle various implements such as plows, cultivators, and mowers, extending its usability throughout the farming season. The hydraulic system is designed for efficiency, allowing for quick attachment changes and optimal performance of implements.

The compact design of the ISEKI OL-5450-10 enhances its maneuverability. With a tight turning radius, this tractor can easily navigate through narrow rows and confined spaces, making it suitable for horticultural and vegetable farming. The tractor's low center of gravity also contributes to its stability when operating on uneven terrain.

Additionally, the operator’s comfort has been prioritized in the design of the OL-5450-10. The spacious cab features ergonomic controls, adjustable seating, and excellent visibility, ensuring that operators can work efficiently without discomfort. The climate control options further enhance the working experience, allowing for extended hours in varying weather conditions.

Overall, the ISEKI OL-5450-10 represents an excellent balance of power, efficiency, and versatility. Its advanced features and user-friendly design make it an attractive choice for those seeking a dependable tractor that can adapt to various agricultural applications with ease.