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Grandstream Networks GWN780 Series User Manual page 18

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Port Auto Recovery
Port Auto Recovery helps recover a port after a specific delay that can be specified by the user. When the following functions
of the port trigger the port down, the port automatically returns to the up state after the delay time:
Examples:
ARP packet detection: If the ARP rate in DAI exceeds the set value, the current port will be shut down.
STP BPDU Guard: In spanning tree, the port enables BPDU Guard. When this function is triggered, the port will be shut
down.
Port Loop: When the port is self-looping and spanning tree is enabled, the port will be shut down.
ACL: When the ACL rule is matched and the action is shutdown, the port will be shut down.
Port Security: When the number of port MAC addresses exceeds the set number, the port will be shut down.
Note:
When the recovery time is up and the port is back up, if the condition that triggers the down occurs again, the port will be shut
down again.
Link Aggregation
LAG means Link Aggregation Group which groups some physical ports together to make a single high-bandwidth data path.
Thus it can implement traffic load sharing among the member ports in a group to enhance the connection reliability.
Link Aggregation Group
There are two load balance modes on the GWN780x(P) Switches, either based on the MAC Address or based on the IP – MAC
Address. And in terms of the type of LAG, there are either the static option or to use the LACP or Link Aggregation Control
Protocol both of them are supported.
Flow Statistics
Port Auto Recovery

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