TP-Link TL-SG2424 User Manual page 33

A device will send an IPv6 ICMP redirect message when the following conditions are satisfied:
The receiving interface is the forwarding interface.

The selected route itself is not created or modified by an IPv6 ICMP redirect message.

The selected route is not the default route.

The forwarded IPv6 packet does not contain any routing header.
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You can configure the system's administrative IPv6 address on this page.
Choose the menu System →System Info →System IPv6 to load the following page.
The following entries are displayed on this screen:
Global Config

IPv6:
Figure 4-10 System IPv6
Enable/Disable IPv6 function globally on the switch.
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