3Com S7902E Command Reference Manual - page 828
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ip-prefix
ip-prefix-name
: Specifies the name of an IP prefix list that is used to filter routes calculated
from received LSPs, a string of 1 to 19 characters. For IP prefix list configuration information, refer to
Routing Policy commands
in the
IP Routing
Volume
.
route-policy
route-policy-name
: Specifies the name of a routing policy that is used to filter routes
calculated from received LSPs, a string of 1 to 19 characters. For routing policy configuration
information, refer to
Routing Policy commands
in the
IP Routing
Volume
.
Description
Use the
filter-policy import
command to configure IS-IS to filter routes calculated from received LSPs.
Use the
undo filter-policy import
command to disable IS-IS from filtering routes calculated from
received LSPs.
IS-IS does not filter routes calculated from received LSPs by default.
Related commands:
filter-policy export
.
Examples
# Reference ACL 2000 to filter routes calculated from received LSPs.
[Sysname] isis
[Sysname-isis-1] filter-policy 2000 import
flash-flood
Syntax
flash-flood
[
flood-count
flooding-count
|
max-timer-interval flooding-interval
| [
level-1
|
level-2
] ] *
undo flash-flood
[
level-1
|
level-2
]
View
IS-IS view
Default Level
2: System level
Parameters
flood-count flooding-count
: Specifies the maximum number of LSPs to be flooded before the next SPF
calculation, ranging from 1 to 15. The default is 5.
max-timer-interval flooding-interval
: Specifies the delay (in milliseconds) of the flash flooding, ranging
from 10 to 50000. The default is 10.
level-1
: Enables flash flooding for
level-1
.
level-2
: Enables fast-flooding for
level-2
.
Description
Use the
flash-flood
command to enable IS-IS LSP flash flooding.
Use the
undo flash-flood
command to disable IS-IS LSP flash flooding.
IS-IS LSP flash flooding is disabled by default.
If no level is specified, the command enables IS-IS LSP flash flooding for both Level-1 and Level-2.