Allied Telesis SB251-13 manual PCR Module LB Level, PCR Module Alarm Level

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

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connections will now only retry SYNs once after 5 seconds. The round robin selection algorithm will now select an UP resource in a resource pool with only one UP resource, even if it was used for the last successful connection.

PCR: 03194

Module: LB

Level: 3

Sometimes healthcheck pings were not sent to the load balancer resources.

This issue has been resolved.

PCR: 03196

Module: IPV6

Level: 3

The system became unstable if the ADD IPV6 TUNNEL command failed. This instability was caused by the partially created tunnel entry not being properly removed from the tunnel database. The tunnel entry is now completely removed.

PCR: 03199

Module: IPV6

Level:

Invalid routes and packets were occurring within RIP. This issue has been resolved.

PCR: 03201

Module: SWI

Level: 4

AT-9800 Series switches with 16 ports could be configured beyond their 16 port maximum. Attempting to configure port 17 would produce no error message, and attempting to configure ports 18 and above would result in an incorrect error message. Also, the SwitchBlade could be allocated with 17 ports within a single trunk group, one port more than the maximum. These issues have been resolved; in both instances the maximum port configuration is now 16.

PCR: 03203

Module: IPV6

Level: 3

RIPng was not sending a response back to a RIP request message. This issue has been resolved.

PCR: 03206

Module: IPG

Level: 3

IPv4 filters now behave like IPv6 filters.

PCR: 03207

Module: Alarm

Level: 4

The SHOW SYSTEM SYSR SLAVE COUNT and SHO SYS SYSR SLAVE commands have been removed from the user command set.

PCR: 03208

Module: FIREWALL

Level: 2

When the configuration script was created using the CREATE CONFIG command, the GBLIP parameter in the ADD FIREWALL POLICY command was listed twice. This caused the command to fail when the device was restarted. This issue has been resolved.

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

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Contents Introduction Features in SB251-13 PCR 03643 Module CLNS/OSILevel PCR 03688 Module SYSRLevelPCR 03714 Module VLANLevel PCR Module TTY, User Level PCR 03717 Module IP, Swcx LevelPCR Module SWI, STP Level PCR Module SWI LevelPCR Module Install Level PCR Module FILE, INSTALL, SCR LevelPCR Module Vrrp Level PCR 03751 Module Mlds LevelPCR 03801 Module Mlds Level PCR 03800 Module Load LevelPCR Module Firewall Level PCR Module Utility LevelPCR 03821 Module Swcx Level PCR 03819 Module Swcx LevelPCR 03823 Module Vlan Level PCR 03829 Module Swcx LevelPCR 03835 Module Vlan Level PCR 03834 Module Swcx LevelPCR Module Ospf Level PCR 03837 Module Vlan LevelPCR Module Cflash Level PCR 03857 Module Swcx LevelPCR Module SWICX, SWI Level PCR 03879 Module Dhcp LevelPCR 03887 Module Swcx Level PCR Module DHCP, Telnet LevelPCR Module IP, ARP Level PCR 03913 Module Swcx LevelPCR Module PIM Level PCR 03923 Module Core LevelPCR 03966 Module Mlds Level PCR Module SWI, Core LevelPCR Module BGP, IPG Level PCR Module SWCX, SWI LevelPCR 031003 Module QOS Level PCR 031008 Module Cflash Install LevelPCR 031005 Module Swcx Level PCR 031006 Module STP SWI LevelPCR 031033 Module Level Multicast Listener Discovery Snooping To enable MLD snooping, use the command Example output from the Show Mldsnooping command Example output from the Show Mldsnooping Counter command Features in SB251-12 PCR 03661 Module Swcx LevelPCR 03744 Module IPG, Swcx Level PCR 03782 Module QOS Level PCR 03777 Module QOS LevelPCR Module IPG, SWI, Vrrp Level PCR Module FIREWALL, LB LevelPCR Module LB Level PCR Module Alarm LevelPCR Module Ping Level PCR Module PIM, PIM6 LevelPCR 03217 Module Dvmrp Level PCR 03229 Module Load Level PCR 032231 STP LevelPCR 03239 Module QOS Level PCR Module SWI, IPG, PIM Level PCR Module ETH, IPG LevelPCR 03248 Module Vlan Level PCR 03256 Module MLD LevelPCR 03260 Module SWI, Snmp Level PCR 03273 Module Alarm LevelPCR Module VLAN, IPG Level PCR Module PPP LevelPCR Module L2TP Level PCR Module CORE, SWI LevelPCR 03316 Module Core Level PCR Module Level PCR Module DHCP, Q931, Telnet LevelPCR 03331 Module SWI, Vlan Level PCR Module TTY LevelFeatures in SB251-11 PCR Module SWI,VLAN Level PCR 03067 Module Dhcp LevelPCR 03095 Module Dhcp Level PCR 03078 Module SWI, Vlan LevelPCR 03126 Module Dhcp Level PCR Module Cure LevelPCR 03167 Module Dvmrp Level PCR Module Port LevelPCR Module CORE, FFS, TTY Level PCR 03185 Module Dhcp LevelPCR 03209 Module Alarm PCR 03229 Module Load Level PCR 03239 Module QOS Level PCR 03256 Module MLD Level PCR Module IPV6 Level PCR Module Firewall Level PCR 03331 Module SWI, Vlan Level PCR 03371 Module Dhcp Level PCR 03359 Module Core LevelPCR Module Ipsec Level PCR Module OSI/CLNS Level PCR 03388 Module Dhcp LevelPCR Module SSL Level PCR 03424 Module Dhcp LevelPCR 03436 Module IP, Dhcp Level PCR 03429 Module SWI, Vlan LevelPCR 03438 Module Dhcp Level PCR Module IPX LevelPCR 03443 Module Dhcp Level PCRPCR Module PIM4 Level PCR 03469 Module Core Level PCR 03465 Module Dhcp LevelPCR Module BGP, Firewall Level PCR 03492 Module HTTP, Load LevelPCR Module Ikmp Level PCR 03515 Module Dhcp LevelPCR Module BGP, TCP Level PCR Module ALARM, Cflash LevelPCR Module HTTP, Firewall Level PCR 03547 Module Dhcp LevelPCR 03561 Module Core Level PCR Module FIREWALL, IPG Level PCR 03584 Module MLD LevelPCR 03590 Module Dhcp Level PCR Module FW Level PCR 03593 Module CORE, Snmp LevelPCR 03599 Module Core Level PCR Module STP, SWI Level PCR 03618 Module Dhcp LevelPCR Module Classifier Level PCR 03633 Module Swcx LevelPCR 03644 Module Snmp Level PCR 03647 Module Snmp LevelPCR 03648 Module Core Level PCR 03670 Module Swcx Level PCR Module File LevelPCR 03690 Module Core Level PCR 03683 Module Swcx LevelPCR 03694 Module Swcx Level PCR 03698 Module Dvmrp LevelPCR 03709 Module Swcx Level PCR Module SW LevelPCR 03725 Module Swcx Level Patch file details are listed in Table Features in SB251-08Features in SB251-07 Features in SB251-05 Features in SB251-06PCR Module SWI PCR Module SWI, Sysr LevelFeatures in SB251-04 Features in SB251-03 PCR Module TCP Level3PCR Module GUI Level2 PCR 03071 Module Core Level PCR Module IPG, SWI LevelPCR Module Core Level PCR Module Switch Network affecting No Features in SB251-02PCR 02574 Module Dvmrp Network affecting No PCR Module SWI Network affecting NoPCR Module Firewall Network affecting No PCR Module SWITCH, IPG Network affecting NoPCR Module QOS Network affecting No PCR 03047 Module Core Network affecting NoFeatures in SB251-01 PCR 02568 Module Core Network affecting NoPCR 02396 Module Dhcp Network affecting No PCR Module Ospf Network affecting No AvailabilityPCR Module SWI Classifier Network affecting No PCR Module IPG, SWI Network affecting No

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.
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