User manual D-LINK DES-3500

[. . . ] User Manual Product Model: Release 5 TM DES-3500 Series Layer 2 Managed Stackable Fast Ethernet Switch ©Copyright 2007. All Rights Reserved __________________________________________________________________________________ Information in this document is subject to change without notice. Reproduction in any manner whatsoever without the written permission of D-Link Corporation is strictly forbidden. Trademarks used in this text: D-Link and the D-LINK logo are trademarks of D-Link Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation. [. . . ] · Ethernet instructs the Switch to examine the layer 2 part of each packet header. · IP instructs the Switch to examine the IP address in each frame's header. · Packet Content Mask instructs the Switch to examine the packet header. This parameter is specified if you want to re-write the 802. 1p default priority previously set in the Switch, which is used to determine the CoS queue to which packets are forwarded to. Once this field is specified, packets accepted by the Switch that match this priority are forwarded to the CoS queue specified previously by the user. 98 Access ID Type Priority (0-7) xStack DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Replace Priority with - Click the corresponding box if you want to re-write the 802. 1p default priority of a packet to the value entered in the Priority (0-7) field, which meets the criteria specified previously in this command, before forwarding it on to the specified CoS queue. Otherwise, a packet will have its incoming 802. 1p user priority re-written to its original value before being forwarded by the Switch. For more information on priority queues, CoS queues and mapping for 802. 1p, see the QoS section of this manual. Replace Dscp (063) Offset Select this option to instruct the Switch to replace the DSCP value (in a packet that meets the selected criteria) with the value entered in the adjacent field. This field will instruct the Switch to mask the packet header beginning with the offset value specified: · value (0-15) - Enter a value in hex form to mask the packet from the beginning of the packet to the 16th byte. · value (16-31) - Enter a value in hex form to mask the packet from byte 16 to byte 31. · value (32-47) - Enter a value in hex form to mask the packet from byte 32 to byte 47. · value (48-63) - Enter a value in hex form to mask the packet from byte 48 to byte 63. · value (64-79) - Enter a value in hex form to mask the packet from byte 64 to byte 79. in the Access Rule Table to view the following window: Port Number To view the settings of a previously correctly configured rule, click Figure 6- 74. Access Rule Display window (Packet Content) 99 xStack DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual CPU Interface Filtering Due to a chipset limitation and the need for extra switch security, the xStack DES-3500 Series switches incorporate CPU Interface filtering. This added feature increases the running security of the Switch by enabling the user to create a list of access rules for packets destined for the Switch's CPU interface. Employed similarly to the Access Profile feature previously mentioned, CPU interface filtering examines Ethernet, IP and Packet Content Mask packet headers destined for the CPU and will either forward them or filter them, based on the user's implementation. As an added feature for the CPU Filtering, the Switch allows the CPU filtering mechanism to be enabled or disabled globally, permitting the user to create various lists of rules without immediately enabling them. Creating an access profile for the CPU is divided into two basic parts. The first is to specify which part or parts of a frame the Switch will examine, such as the MAC source address or the IP destination address. The second part is entering the criteria the Switch will use to determine what to do with the frame. [. . . ] A D-Link fornece suporte técnico gratuito para clientes no Portugal durante o período de vigência de garantia deste produto. Suporte Técnico para clientes no Portugal: Assistência Técnica: Email: soporte@dlink. es http://www. dlink. pt/support/ ftp://ftp. dlink. es software updates D-Link D-Link : D-Link : : 210 86 11 114 : 210 86 53 172 (- 09:00-17:00) e-mail: support@dlink. gr D-Link Internet: http://www. dlink. gr ftp://ftp. dlink. it Technical Support You can find software updates and user documentation on the D-Link website. 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