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Patch Release Note

IPv4 addresses x.x.x.0 or x.x.x.255 were not accepted for the LOCAL parameter in the ADD IPV6 TUNNEL command.

IPv6 addresses 2002:x:x::/48 were not accepted for the IPADDRESS parameter in the ADD IPV6 INTERFACE command.

PCR: 03760

Module: SWI

Level: 1

Changes have been implemented to prevent loss of connectivity between line cards.

PCR: 03763

Module: SWI

Level: 2

When port speeds were set using a configuration script, their capabilities on line cards with CAM, were being incorrectly reported. This issue has been resolved.

PCR: 03770

Module: SWI

Level: 2

The SwitchBlade SB4108 chassis was failing the L3 Full Mesh test. This issue has been resolved.

PCR: 03773

Module: SWI

Level: 3

The SHOW SYSTEM command was not correctly displaying the Compact

Flash patch files.

PCR: 03775

Module: SWI

Level: 2

Fatal errors were occasionally occurring when multicast forwarding was updated. This issue has been resolved.

PCR: 03777 Module: QOS

Level: 2

If a SET operation failed, the recovery process applied the default MAXBANDWIDTH setting, regardless of either the configured value, or the port speed capability. This was resulting in the MAXBANDWIDTH value being too high. This issue has been resolved.

PCR: 03782 Module: QOS

Level: 3

Additional messages will now advise the file transfer status as files are transferred between compact flash and flash memory.

PCR: 03794

Module: SWI

Level: 2

The SwitchBlade, SB4104 chassis, was failing the L3 Full Mesh test. This issue has been resolved.

PCR: 03797

Module: SWI

Level: 1

IPX routing did not work in certain circumstances. This issue has been resolved.

PCR: 03188

Module: IPG, SWI, VRRP

Level: 3

For switches configured for VRRP, it was not possible to Ping the switch operating in the Master state. This issue has been resolved.

PCR: 03189

Module: FIREWALL, LB

Level: 3

A fatal error occurred in the load balancer when there were no UP resources in a resource pool. This issue has been resolved. Load balanced TCP

Patch SB251-13 for Software Release 2.5.1 C613-10361-00 REV M

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Allied Telesis SB251-13 manual PCR 03777 Module QOS Level, PCR 03782 Module QOS Level, PCR Module IPG, SWI, Vrrp Level

SB251-13 specifications

The Allied Telesis SB251-13 is a robust Layer 2 managed switch designed to meet the demands of various networking environments. With a comprehensive set of features, it serves as an ideal solution for enterprises looking to enhance their network infrastructure while maintaining performance and reliability.

One of the standout features of the SB251-13 is its 24 Gigabit Ethernet ports, which provide high-speed connectivity essential for modern applications. This switch supports both copper and fiber connections, making it versatile for different deployment scenarios. Additionally, it includes two SFP (Small Form-Factor Pluggable) ports that enable flexibility in uplink configurations, allowing for connectivity over longer distances with fiber optics.

The switch operates on a Layer 2 architecture, which ensures efficient data handling and robust traffic management. With VLAN (Virtual Local Area Network) support, users can segment their networks for improved traffic isolation and security. This feature is particularly beneficial in environments where segmentation is critical for performance and compliance.

Quality of Service (QoS) is another critical characteristic of the SB251-13, enabling priority-based traffic handling. This means that time-sensitive data, such as VoIP or video streams, can be given precedence over less critical traffic. This prioritization enhances the overall user experience and is vital for ensuring the smooth operation of real-time applications.

Allied Telesis also includes advanced security features in the SB251-13, such as port security, MAC address filtering, and access control lists (ACLs). These measures help protect the network from unauthorized access and potential threats, making it suitable for both enterprise and educational environments.

Power over Ethernet (PoE) support is another significant advantage of the SB251-13. This feature allows the switch to provide power to connected devices like IP cameras, phones, and access points, eliminating the need for separate power sources and making installations cleaner and more efficient.

The SB251-13 is also equipped with a user-friendly web-based management interface, facilitating easy configuration and monitoring. Network administrators can quickly set up, manage, and troubleshoot, streamlining operations and reducing downtime.

In conclusion, the Allied Telesis SB251-13 stands out as a sophisticated managed switch that combines performance, security, and manageability. Its rich feature set makes it a valuable asset for organizations aiming to build a reliable and efficient network infrastructure.