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| Warning |
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For Atheros8316, Atheros8227 and Atheros-7240 switch chips, the switch-cpu port will always participate in the host learning process when at least one hardware offloaded bridge port is active on the switching group. It will cause the switch-cpu port to learn MAC addresses from non-HW offloaded interfaces. This might cause a packet loss when a single bridge contains HW and non-HW offloaded interfaces. Also, packet loss might appear when a duplicate MAC address is used on the same switching group regardless if hosts are located on different logical networks. It is recommended to use HW offloading on only when all switch ports bridge ports are able to use HW offloaded or keep it disabled on all switch ports when one or more bridge ports cannot be configured with HW offloading. |
Rule Table
Rule table is a very powerful tool allowing wire-speed packet filtering, forwarding and VLAN tagging based on L2, L3 and L4 protocol header field condition. The menu contains an ordered list of rules just like in /ip firewall filter, so ACL rules are checked for each packet until a match has been found. If there are multiple rules that can match, then only the first rule will be triggered. A rule without any action parameters is a rule to accept the packet.
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