Icmp commands – Allied Telesis AT-8550 User Manual
Page 22

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.