Cisco Systems ASR 9000 Manual De Usuario

F I N A L D R A F T — C i s c o C o n f i d e n t i a l

4-21

Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide

OL-17502-01

Chapter 4 Configuring Additional Router Features

Configuration Limiting

RP/0/RSP1/CPU0:router(config-isis-af)# maximum-paths 10

RP/0/RSP1/CPU0:router(config-isis-af)# maximum-redistributed-prefixes 12000

RP/0/RSP1/CPU0:router(config-isis-af)# commit

RP/0/RSP1/CPU0:Mar 30 14:11:07 : config[65739]: %LIBTARCFG-6-COMMIT : Configuration

committed by user 'cisco'. Use 'show configuration commit changes 1000000535' to view

the changes.

RP/0/RSP1/CPU0:router(config-isis-af)#

OSPFv2 and v3 Configuration Limits

Table 4-6

summarizes the maximum limits for Open Shortest Path First (OSPF) protocol, including the

commands used to display and change the limits.

Examples

The following examples illustrate OSPF configuration limits:

•

Maximum Interfaces for Each OSPF Instance: Example, page 4-21

•

Maximum Routes Redistributed into OSPF: Example, page 4-22

•

Number of Parallel Links (max-paths): Example, page 4-23

Maximum Interfaces for Each OSPF Instance: Example

In the following example, the show ospf command is used to display the maximum number of OSPF
interfaces:

RP/0/RSP1/CPU0:router# show ospf

Table 4-6

OSPFv2 Configuration Limits and Commands

Feature Limit
Description

Default
Maximum
Limit

Absolute
Maximum
Limit

Configuration Command
(Router Configuration Mode)

Show Current Settings Command
(EXEC Mode)

Maximum number of
interfaces that can be
configured for an
OSPF instance

255

1024

maximum interfaces n

show ospf

Maximum routes
redistributed into
OSPF

10,000

4294967295

maximum redistributed-prefixes
n

show ospf

Note

The maximum number of
redistributed prefixes
appear only if
redistribution is
configured.

Maximum number of
parallel routes
(maximum paths) on
Cisco ASR 9000
Series routers

maximum paths n

show running-config router ospf

Note

This command shows only
changes to the default
value. If the maximum
paths command does not
appear, the router is set to
the default value.