Patch SB251-01 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches

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The number of user-specified protocols in the PROTOCOL parameter has been increased from three to seven.

The minimum value of the IPXDADDRESS parameter has been decreased from 10000000 to 00000001.

PCR: 03006

Module: SWI

Network affecting: No

An issue which sometimes resulted in a broadcast storm within the internal ports on the SwitchBlade, a reduction in bandwidth, and a loss of pinging has been resolved.

PCR: 3008

Module: SWI

Network affecting: No

An issue which caused pings to fail when a control card was inserted in the left hand slot to act as a slave, has been resolved.

PCR: 03014

Module: IPG, SWI

Network affecting: No

Support has been added to allow for multicasting to any number of overlapping VLANs up to the maximum number of multicast forwarding entries.

PCR: 03018

Module: SWI

Network affecting: No

An issue with pings failing after network host routes disappeared from the switch due to an IP hashing error has been resolved.

PCR: 03020

Module: SWI

Network affecting: No

An issue with an interrupt occuring when waiting on the MDIO which caused the MDIO to read or write incorrect information has been resolved.

PCR: 03021

Module: SWI

Network affecting: No

Ping would sometimes not work correctly after a 48 line card was extracted, and after a restart reboot. This issue has been resolved.

Availability

Patches can be downloaded from the Software Updates area of the Allied Telesyn web site at www.alliedtelesyn.co.nz/support/updates/patches.html. A licence or password is not required to use a patch.

Patch SB251-01 for Software Release 2.5.1 C613-10361-00 REV A

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Allied Telesis SB251-01 manual Availability, PCR Module IPG, SWI Network affecting No

SB251-01 specifications

The Allied Telesis SB251-01 is a state-of-the-art networking switch designed to meet the demands of modern enterprises. This robust device offers a blend of features, technologies, and characteristics that ensure reliable connectivity and impressive performance for various network applications.

At its core, the SB251-01 is a Layer 2 managed switch that provides a rich set of capabilities, making it an ideal choice for small to medium-sized businesses. One of its standout features is the support for Power over Ethernet (PoE), allowing it to deliver power and data to connected devices such as IP cameras, wireless access points, and VoIP phones over the same Ethernet cable. This significantly simplifies installation and reduces the need for additional power sources.

The switch includes multiple Ethernet ports with a mix of 10/100/1000 Mbps speeds, enabling flexible network configurations and allowing businesses to scale their network as needed. The SB251-01 is equipped with advanced switching technologies, including Ethernet Switching and VLAN (Virtual Local Area Network) support, which facilitates better network segmentation and enhances security by isolating different network segments.

In terms of management and monitoring, the Allied Telesis SB251-01 offers a user-friendly web interface and supports Simple Network Management Protocol (SNMP), allowing IT administrators to oversee network performance and troubleshoot issues efficiently. The ability to configure Quality of Service (QoS) settings ensures that critical applications receive the necessary bandwidth and low latency required for optimal performance.

Additionally, the switch incorporates features such as Spanning Tree Protocol (STP) for loop prevention and Link Aggregation Control Protocol (LACP) for enhanced bandwidth utilization. These technologies contribute to a more resilient network infrastructure with improved fault tolerance.

The SB251-01 is designed with energy efficiency in mind, reducing operational costs while maintaining high performance. Its compact form factor allows for easy deployment in various environments, whether in a data center or an office setting.

In conclusion, the Allied Telesis SB251-01 is a versatile and powerful managed switch that stands out for its rich feature set, including PoE support, VLAN support, QoS, and energy efficiency. With its advanced switching technologies and user-friendly management options, this switch is well-equipped to support the networking needs of contemporary businesses, providing a solid foundation for growth and innovation.