ProCurve 2900 Betriebsanweisung PDF herunterladen (Seite 75)

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IP Routing Features

Configuring IRDP

for the routing switch to the hold time specified in the new advertisement.

If the hold time of an advertisement expires, the host discards the adver-

tisement, concluding that the router interface that sent the advertisement

is no longer available. The value must be greater than the value of the

maxadvertinterval p a ra m e te r a nd cannot be greater than 9000. The default

is three times the value of the maxadvertinterval parameter.

■ maxadvertinterval - This parameter specifies the maximum amount of time

the routing switch waits between sending Router Advertisements. You

can specify a value from 1 to the current value of the holdtime parameter.

The default is 600 seconds.

■ minadvertinterval - This parameter specifies the minimum amount of time

the routing switch can wait between sending Router Advertisements. The

default is three-fourths (0.75) the value of the maxadvertinterval param-

eter. If you change the maxadvertinterval parameter, the software auto-

matically adjusts the minadvertinterval parameter to be three-fourths the

new value of the maxadvertinterval parameter. If you want to override the

automatically configured value, you can specify an interval from 1 to the

current value of the maxadvertinterval parameter.

■ preference < number > - This parameter specifies the IRDP preference level

of this routing switch. If a host receives Router Advertisements from

multiple routers, the host selects the router interface that sent the

message with the highest preference as the host's default gateway. The

valid range is -4294967296 to 4294967295. The default is 0.

Displaying IRDP Information

To display IRDP information, enter show ip irdp from any CLI level.

ProCurve# show ip irdp

Status and Counters - ICMP Router Discovery Protocol

Global Status : Disabled

VLAN Name Status Advertising Min int Max int Holdtime Preference

Address (sec) (sec) (sec)

DEFAULT_VLAN Enabled multicast 450 600 1800 0

VLAN20 Enabled multicast 450 600 1800 0

VLAN30 Enabled multicast 450 600 1800 0

Figure 3-3.Example of Output for Show IP IRDP

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ProCurve 2900 Betriebsanweisung Seite 75