3com 9000 SX User Manual

C

HAPTER

 4: C

OMMANDS

enable icmp useredirects

Allows you to enable the modification of route table 
information when an ICMP redirect message is received. 
The default setting is disabled.

disable icmp useredirects

Allows you to disable the changing of routing table 
information when an ICMP redirect message is received.

enable irdp {vlan <name> | all}

Allows you to enable the generation of ICMP router 
advertisement messages on one or more VLANs. The 
default setting is enabled.

disable irdp {vlan <name> | all}

Allows you to disable the generation of router 
advertisement messages on one or more VLANs.

config irdp [multicast | broadcast]

Allows you to configure the destination address of the 
router advertisement messages. The default setting is 
broadcast.

config irdp <mininterval> <maxinterval> 

<lifetime> <preference>

Allows you to configure 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 
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

Allows you to reset all ICMP settings to the default 
values.

unconfig irdp

Allows you to reset all router advertisement settings to 
the default values.

disable irdp {vlan <name> | all}

Allows you to disable the generation of router 
advertisement messages on one or more VLANs.

Table 4-16   ICMP Commands (continued)

SW9000.BK  Page 18  Wednesday, April 1, 1998  11:00 AM