Allied Telesis SB251-13 manual Features in SB251-11

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Patch Release Note

PCR: 03343

Module: UTILITY

Level: 4

Entering a “?” on the command line, now displays the correct list of available options.

PCR: 03345

Module: IPG

Level: 4

The RESET IP COUNTER=ALL command was not working correctly when issued from the command line. This issue has been resolved.

PCR: 03346 Module: SNMP

Level: 4

Sometimes the Agent Address field in SNMP traps was not the same as the IP source address. This meant that sometimes the NMS did not send an alarm to the network manager when traps were received from switches. This issue has been resolved.

PCR: 03349

Module: BGP

Level: 3

When there were a large number of BGP routes, the SHOW BGP ROUTE command sometimes caused an error. This issue has been resolved.

PCR: 03352

Module: PPP

Level: 3

The MRU parameter in the SET PPP command was incorrectly handled as an interface parameter when the configuration script was generated. This meant that the OVER parameter was omitted. The MRU parameter is now correctly handled as a link parameter.

Features in SB251-11

Patch SB251-11 includes all issues resolved and enhancements released in previous patches for Software Release 2.5.1, and the following enhancements:

After loading this software version, please check your alarm relay connections.

Refer to PCR 03209 for more information.

PCR: 02331

Module: IPG, ETH

Level: 2

IP is now informed when an Ethernet interface goes up or down, after a 2.5 second delay.

PCR: 02525

Module: TELNET, PING, IPV6, TCP

Level: 3

The ADD IPV6 command was not allowing the INTERFACE parameter to be used when adding a host with link local address. This issue has been resolved.

PCR: 02571

Module: IP

Level: 3

A fatal error occurred if the IP module was reset after the ADD IP EGP command was executed. This issue has been resolved.

PCR: 02577 Module: IPG, LOG

Level: 4

The ability to log MAC addresses whenever the ARP cache changes has been added. To enable this, use the command:

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 03688 Module SYSRLevel PCR 03643 Module CLNS/OSILevelPCR 03714 Module VLANLevel PCR 03717 Module IP, Swcx Level PCR Module TTY, User LevelPCR Module SWI, STP Level PCR Module SWI LevelPCR Module FILE, INSTALL, SCR Level PCR Module Install LevelPCR Module Vrrp Level PCR 03751 Module Mlds LevelPCR 03800 Module Load Level PCR 03801 Module Mlds LevelPCR Module Firewall Level PCR Module Utility LevelPCR 03819 Module Swcx Level PCR 03821 Module Swcx LevelPCR 03823 Module Vlan Level PCR 03829 Module Swcx LevelPCR 03834 Module Swcx Level PCR 03835 Module Vlan LevelPCR Module Ospf Level PCR 03837 Module Vlan LevelPCR 03857 Module Swcx Level PCR Module Cflash LevelPCR 03879 Module Dhcp Level PCR Module SWICX, SWI LevelPCR 03887 Module Swcx Level PCR Module DHCP, Telnet LevelPCR 03913 Module Swcx Level PCR Module IP, ARP LevelPCR Module PIM Level PCR 03923 Module Core LevelPCR Module SWI, Core Level PCR 03966 Module Mlds LevelPCR Module BGP, IPG Level PCR Module SWCX, SWI LevelPCR 031008 Module Cflash Install Level PCR 031003 Module QOS 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 PCR 03661 Module Swcx Level Features in SB251-12PCR 03744 Module IPG, Swcx Level PCR 03777 Module QOS Level PCR 03782 Module QOS LevelPCR Module IPG, SWI, Vrrp Level PCR Module FIREWALL, LB LevelPCR Module Alarm Level PCR Module LB LevelPCR Module PIM, PIM6 Level PCR Module Ping LevelPCR 03217 Module Dvmrp Level PCR 032231 STP Level PCR 03229 Module Load LevelPCR 03239 Module QOS Level PCR Module ETH, IPG Level PCR Module SWI, IPG, PIM LevelPCR 03248 Module Vlan Level PCR 03256 Module MLD LevelPCR 03273 Module Alarm Level PCR 03260 Module SWI, Snmp LevelPCR Module VLAN, IPG Level PCR Module PPP LevelPCR Module CORE, SWI Level PCR Module L2TP LevelPCR 03316 Module Core Level PCR Module DHCP, Q931, Telnet Level PCR Module LevelPCR 03331 Module SWI, Vlan Level PCR Module TTY LevelFeatures in SB251-11 PCR 03067 Module Dhcp Level PCR Module SWI,VLAN LevelPCR 03078 Module SWI, Vlan Level PCR 03095 Module Dhcp LevelPCR 03126 Module Dhcp Level PCR Module Cure LevelPCR Module Port Level PCR 03167 Module Dvmrp LevelPCR 03185 Module Dhcp Level PCR Module CORE, FFS, TTY 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 03359 Module Core Level PCR 03371 Module Dhcp LevelPCR Module Ipsec Level PCR 03388 Module Dhcp Level PCR Module OSI/CLNS LevelPCR Module SSL Level PCR 03424 Module Dhcp LevelPCR 03429 Module SWI, Vlan Level PCR 03436 Module IP, Dhcp LevelPCR 03438 Module Dhcp Level PCR Module IPX LevelPCR PCR 03443 Module Dhcp LevelPCR Module PIM4 Level PCR 03465 Module Dhcp Level PCR 03469 Module Core LevelPCR 03492 Module HTTP, Load Level PCR Module BGP, Firewall LevelPCR 03515 Module Dhcp Level PCR Module Ikmp LevelPCR Module ALARM, Cflash Level PCR Module BGP, TCP LevelPCR Module HTTP, Firewall Level PCR 03547 Module Dhcp LevelPCR 03561 Module Core Level PCR 03584 Module MLD Level PCR Module FIREWALL, IPG LevelPCR 03590 Module Dhcp Level PCR 03593 Module CORE, Snmp Level PCR Module FW LevelPCR 03599 Module Core Level PCR 03618 Module Dhcp Level PCR Module STP, SWI LevelPCR Module Classifier Level PCR 03633 Module Swcx LevelPCR 03647 Module Snmp Level PCR 03644 Module Snmp LevelPCR 03648 Module Core Level PCR Module File Level PCR 03670 Module Swcx LevelPCR 03683 Module Swcx Level PCR 03690 Module Core LevelPCR 03694 Module Swcx Level PCR 03698 Module Dvmrp LevelPCR Module SW Level PCR 03709 Module Swcx LevelPCR 03725 Module Swcx Level Features in SB251-08 Patch file details are listed in TableFeatures in SB251-07 Features in SB251-06 Features in SB251-05PCR Module SWI PCR Module SWI, Sysr LevelFeatures in SB251-04 PCR Module TCP Level3 Features in SB251-03PCR Module GUI Level2 PCR Module IPG, SWI Level PCR 03071 Module Core LevelPCR Module Core Level Features in SB251-02 PCR Module Switch Network affecting NoPCR 02574 Module Dvmrp Network affecting No PCR Module SWI Network affecting NoPCR Module SWITCH, IPG Network affecting No PCR Module Firewall Network affecting NoPCR Module QOS Network affecting No PCR 03047 Module Core Network affecting NoPCR 02568 Module Core Network affecting No Features in SB251-01PCR 02396 Module Dhcp Network affecting No Availability PCR Module Ospf Network affecting NoPCR 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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