Extreme Networks Summit1 manual 3ICMP Configuration Commands

IP UNICAST ROUTING

Table 9-3describes the commands used to configure the ICMP protocol.

Table 9-3:ICMP Configuration Commands

Command	Description
enable icmp redirects {vlan <name> all}	Enables generation of ICMP redirect messages
	on one or more VLANs. The default setting is
	enabled.
enable icmp unreachables {vlan <name> all}	Enables the generation of ICMP unreachable
	messages on one or more VLANs. The default
	setting is enabled.
enable icmp useredirects	Enables the modification of route table
	information when an ICMP redirect message
	is received. The default setting is disabled.
enable irdp {vlan <name> all}	Enables the generation of ICMP router
	advertisement messages on one or more
	VLANs. The default setting is enabled.
config irdp [multicast broadcast]	Configures the destination address of the
	router advertisement messages. The default
	setting is multicast.
config irdp <mininterval> <maxinterval>	Configures the router advertisement message
<lifetime> <preference>	timers, using seconds. Specify:
	■ mininterval — The minimum amount of
	time between router advertisements. The
	default setting is 450 seconds.
	■ maxinterval — The maximum time
	between router advertisements. The default
	setting is 600 seconds.
	■ lifetime — The default setting is 1,800
	seconds.
	■ preference — The preference level of
	the router. An IRDP client always uses the
	router with the highest preference level.
	Change this setting to encourage or
	discourage the use of this router. The
	default setting is 0.
unconfig icmp	Resets all ICMP settings to the default values.
unconfig irdp	Resets all router advertisement settings to the
	default values.
disable icmp redirects {vlan <name> all}	Disables the generation of ICMP redirects on
	one or more VLANs.

9-14 SUMMIT SWITCH INSTALLATION AND USER GUIDE