Filter Routes - Dell Force10 Z9000 Configuration Manual

Command Example: show run ospf
Figure 29-17.
FTOS#show run ospf
!
router ospf 1
graceful-restart grace-period 300
graceful-restart role helper-only
graceful-restart mode unplanned-only
graceful-restart helper-reject 10.1.1.1
graceful-restart helper-reject 20.1.1.1
network 10.0.2.0/24 area 0
FTOS#
Use the following command to disable OSPFv2 graceful-restart after you have enabled it.
Command Syntax
no graceful-restart grace-period
For more information on OSPF graceful restart, refer to the FTOS Command Line Interface Reference
Guide.

Filter routes

To filter routes, use prefix lists. OSPF applies prefix lists to incoming or outgoing routes. Incoming routes
must meet the conditions of the prefix lists. If they do not, OSPF does not add the route to the routing table.
Configure the prefix list in CONFIGURATION PREFIX LIST mode prior to assigning it to the OSPF
process.
Command Syntax
ip prefix-list prefix-name
seq sequence-number {deny |permit} ip-prefix
[ge min-prefix-length] [le max-prefix-length]
For configuration information on prefix lists, refer to the Access Control Lists (ACLs) chapter in the FTOS
Configuration Guide.
Command Mode Usage
CONFIG-ROUTER- Disable OSPFv2 graceful-restart. Returns OSPF
OSPF-id graceful-restart to its default state.
Command Mode
CONFIGURATION
CONFIG- PREFIX
LIST
Usage
Create a prefix list and assign it a unique
name. You are in PREFIX LIST mode.
Create a prefix list with a sequence
number and a deny or permit action. The
optional parameters are:
: is the minimum prefix
ge min-prefix-length
length to be matched (0 to 32).
is the maximum prefix
le max-prefix-length:
length to be matched (0 to 32).
Open Shortest Path First (OSPFv2 and OSPFv3) | 647
.