You can configure ESRP (Extreme Standby Router Protocol) to restart ports in the ESRP master domain when the downstream switch is from a third-party vendor. This action takes down and restarts the port link to clear and refresh the downstream ARP table.
If a switch becomes a slave, ESRP takes down (disconnects) the physical links of member ports that have port restart enabled. The disconnection of these ports causes downstream devices to remove the ports from their FDB (forwarding database) tables. This feature allows you to use ESRP in networks that include equipment from other vendors. After 2 seconds, the ports re-establish connection with the ESRP switch.
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