User Guide

3-20
Cisco IOS XR Getting Started Guide
Chapter 3 Configuring Additional Router Features
Configuration Limiting
Table 3-6 OSPFv2 and OSPFv3 Configuration Limits and Commands
Examples
The following subsections provide the following examples:
• Maximum Interfaces for Each OSPF Instance, page 3-21
• Maximum Routes Redistributed into OSPF, page 3-22
• Number of Parallel Links (max-paths), page 3-22
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 28,672 maximum redistributed-prefix n show ospf
Note The maximum number of
redistributed prefixes is
displayed only if
redistribution is configured.
Maximum number of
parallel routes
(maximum paths) on
Cisco CRS-1s
32
(OSPFv2)
16
(OSPFv3)
32 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.
Maximum number of
parallel routes
(maximum paths) on a
Cisco XR 12000
Series Router
16 16 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.