Netgear XCM8810 Chassis Hardware Installation Guide - Page 848
disable icmp port-unreachables
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NETGEAR 8800 Chassis Switch CLI Manual Description Disables the generation of an ICMP parameter-problem message on one or all VLANs. Syntax Description name Specifies a VLAN name. Default Enabled. Usage Guidelines Disables the generation of an ICMP parameter-problem message (type 12) when the switch cannot properly process the IP header or IP option information. If a VLAN is not specified, the command applies to all IP interfaces. This command only affects the generation of certain ICMP packets. Filtering of ICMP packets usually forwarded by the switch is controlled by the access-list commands. Example The following command disables the generation of an ICMP parameter-problem message on VLAN accounting: disable icmp parameter-problem vlan accounting disable icmp port-unreachables disable icmp port-unreachables {vlan } Description Disables the generation of ICMP port unreachable messages on one or all VLANs. Syntax Description name Specifies a VLAN name. Default Enabled. Usage Guidelines Disables the generation of ICMP port unreachable messages (type 3, code 3) when a TCP or UDP request is made to the switch and no application is waiting for the request, or an access 848 | Chapter 19. IP Unicast Commands