Extreme Networks Summit1 User Manual

Page 144

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9-14

S

UMMIT

S

WITCH

I

NSTALLATION

AND

U

SER

G

UIDE

IP U

NICAST

R

OUTING

Table 9-3

describes 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>
<lifetime> <preference>

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 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.

Summit.bk : 9ROUT.FM Page 14 Thursday, June 18, 1998 9:27 AM

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