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Icmp commands – Allied Telesis AT-8550 User Manual

Page 22

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ICMP Commands

20

ICMP Commands

Command

Description

config irdp

Configures the router advertisement message 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 ICMP

Router Discover Protocol (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.

config irdp [multicast | broadcast]

Configures the destination address of the router advertisement
messages. The default setting is

multicast

.

disable icmp redirects {vlan }

Disables the generation of ICMP redirects on one or all VLANs.

disable icmp unreachables {vlan }

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

disable icmp useredirects

Disables the changing of routing table information when an ICMP
redirect message is received.

disable irdp {vlan }

Disables the generation of router advertisement messages on one or
all VLANs.

enable icmp redirects {vlan }

Enables generation of ICMP redirect messages on one or all VLANs.
The default setting is enabled.

enable icmp unreachables {vlan }

Enables the generation of ICMP unreachable messages on one or all
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 }

Enables the generation of ICMP router advertisement messages on
one or all VLANs. The default setting is enabled.

unconfig icmp

Resets all ICMP settings to the default values.

unconfig irdp

Resets all router advertisement settings to the default values.

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