Patch SB251-13 For SwitchBlade 4000 Series Switches and AT-9800 Series Switches

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PCR: 03374

Module: IPV6

Level: 1

Multilink Listener Discovery (MLD) packets received on the switch caused fatal errors. This issue has been resolved.

PCR: 03375

Module: IPG

Level: 2

The following issues with IPv6 have been resolved:

Incorrect default values were set for the PREFERRED and VALID parameters in the ADD IPV6 PPFEFIX command. The correct default for PREFERRED is 604800 seconds (7 days), and the correct default for VALID is 2592000 seconds (30 days).

The PREFERRED and VALID parameters in the ADD IPV6 PPFEFIX and SET IPV6 PREFIX commands were accepting values that could make the preferred life time longer than the valid life time.

The POISONREVERSE parameter in the ADD IPV6 RIP command was not added to the automatic configuration.

PCR: 03376

Module: SWI

Level: 4

With the SET SWI PORT SPEED set to 1000MFULL for a GBIC port, the LINK LED was turning on with no GBIC installed. This issue has been resolved.

PCR: 03379

Module: IPSEC

Level: 3

If IPsec was using PPPoE, the initiator continued to keep the IPsec SA even if the PPPoE session failed and the ISAKMP Heartbeat timer expired. This issue has been resolved.

PCR: 03382

Module: SWI

Level: 2

A maximum of 63 ports can belong to a VLAN multicast group. When this figure was exceeded data ceased to flow to many of the ports. A resolution has been applied that allows the first 63 ports to continue receiving multicast data.

PCR: 03383

Module: IPG

Level: 2

With large numbers of routes configured, entering the SHOW IP ROUTE command could produce a fatal error. This issue has been resolved.

PCR: 03384

Module: IPV6

Level: 3

Multicast Listener Discovery (MLD) packets were being transmitted with incorrect source lists, following the receipt of TO_EX(A) packets. This issue has been resolved.

PCR: 03387

Module: PIM, PIM6

Level: 2

A memory leak occurred in IP or IPV6 if PIM-SM received IGMP or MLD reports, and there was no Rendezvous Point for the reported group.

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

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Allied Telesis SB251-13 manual PCR Module Ipsec 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.