D-Link DES-3550 Product Manual - Page 126
ACL Flow Meter, Configuration, Flow Metering Table, Flow Meter Table window
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xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual ACL Flow Meter ACL Flow Metering Table is a per flow bandwidth control used to limit the bandwidth of the ingress traffic. When the users create an ACL rule to filter packets, a metering rule can be created to associate with this ACL rule to limit traffic. The step of bandwidth is 64kbps. Due to limited metering rules, not all ACL rules can associate with a metering rule. To open this window, click Configuration > ACL > Flow Metering Table: Figure 6- 85 Flow Meter Table window To reconfigure a previously created Flow Meter click the corresponding Configure button, the ACL Meter Setting window will displayed. Figure 6- 86 ACL Meter Setting window NOTE: Address Resolution Protocol (ARP) is the standard for finding a host's hardware address (MAC Address). However, ARP is vulnerable as it can be easily spoofed and utilized to attack a LAN. For a more detailed explanation on how ARP works and how to employ D-Link's advanced unique Packet Content ACL to prevent ARP spoofing attack, please see Appendix E, at the end of this manual. 111