Netgear XCM8810 Chassis Hardware Installation Guide - Page 863
enable icmp redirects, enable icmp time-exceeded, same subnet as the originating host
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NETGEAR 8800 Chassis Switch CLI Manual enable icmp redirects enable icmp redirects {vlan } Description Enables generation of ICMP redirect messages on one or all VLANs. Syntax Description name Specifies a VLAN name. Default Enabled. Usage Guidelines This option only applies to the switch when the switch is in routing mode. ICMP redirects are used in the situation where there are multiple routers in the same subnet. If a host sends a packet to it's default gateway, the gateway router looks at it's route table to find the best route to the destination. If it sees that the best route is through a router in the same subnet as the originating host, the switch sends an ICMP redirect (type 5) message to the host that originated the packet, telling it to use the other router with the better route. The switch also forwards the packet to the destination. Example The following command enables the generation of ICMP redirect messages on all VLANs: enable icmp redirects enable icmp time-exceeded enable icmp time-exceeded {vlan } Description Enables the generation of ICMP time exceeded messages on one or all VLANs. Syntax Description name Specifies a VLAN name. Default Enabled. Chapter 19. IP Unicast Commands | 863