3Com Router 3031, Справочник по командам

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616 C
HAPTER
6: R
OUTING
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ROTOCOL
undo isis timer csnp [ level-1 | level-2 ]
View
Interface view
Parameter
■
seconds: Specifies the CSNP packet interval on the broadcast network, ranging
from 1 to 65535 and measured in seconds. By default, the value is 10 seconds.
■
level-1: Specifies the Level-1 CSNP packet interval.
■
level-2: Specifies the Level-2 CSNP packet interval.
■
If neither Level-1 nor Level-2 is specified, it defaults to set Level-1-2 Hello
message interval, that is, both Level-1 and Level-2 take effect.
Description
Using the isis timer csnp command, you can configure the interval of sending
CSNP packets on the broadcast network. Using the undo isis timer csnp
command, you can restore the default value, that is, 10 seconds.
Only DIS can periodically send CSNP packets, therefore, this command is valid only
for the router that is selected as the DIS. Furthermore, DIS is divided into Level-1
and Level-2, and their intervals of sending CSNP packets must be set respectively.
Example
Set the Level-2 CSNP packet to be transmitted every 15 seconds on the interface
Serial1/0/0.
[3Com] interface serial1/0/0
[3Com-Serial1/0/0] isis timer csnp 15 level-2
isis timer dead
Syntax
isis timer dead seconds [ level-1 | level-2 ]
undo isis timer dead [ level-1 | level-2 ]
View
Interface view
Parameter
■
seconds: Specifies the dead interval, ranging from 9 to 65535 and measured in
seconds. The default value is 30 seconds.
■
level-1: Specifies the Level-1 dead interval.
■
level-2: Specifies the Level-2 dead interval.
■
If neither Level-1 nor Level-2 is specified, it is defaulted to Level-2 dead interval.
Description
Using the isis timer dead command, you can configure the interval of determining
the neighbor router is dead (or invalid). Using the undo isis timer dead command,
you can restore the default value, that is, 10 seconds.
If the router does not receive hello message from its neighbor in specified time,
the router will determine that the neighbor is dead (or invalid). Usually, user set