Disable Icmp Port-Unreachables - Extreme Networks ExtremeWare Command Reference Manual

Version 7.0.0

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IP Unicast Commands

disable icmp port-unreachables

disable icmp port-unreachables {vlan <vlan name>}

Disables the generation of ICMP port unreachable messages on one or all VLANs.

Syntax Description

Specifies a VLAN name.

Usage Guidelines

Disables the generation of ICMP port unreachable messages (type 3, code 3) when a TPC or UDP

request is made to the switch, and no application is waiting for the request, or access policy denies the

request. 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.

The following command disables ICMP port unreachable messages on VLAN accounting:

disable icmp port-unreachables vlan accounting

This command was first available in ExtremeWare 6.1.

Platform Availability

This command is available on "i" series platforms.

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