Cisco Router IOS XR Getting Started Manual page 150

Configuration Limiting
Table 5-6 OSPFv2 and OSPFv3 Configuration Limits and Commands
Default
Feature Limit Maximum
Description Limit
Maximum number of 255
interfaces that can be
configured for an
OSPF instance
Maximum routes 10,000
redistributed into
OSPF
Maximum number of 32
parallel routes (OSPFv2)
(maximum paths) on
16
Cisco CRS-1 routers
(OSPFv3)
Maximum number of 16
parallel routes
(maximum paths) on a
Cisco XR 12000
Series Router
Examples
The following subsections provide the following examples:
•
•
•
Maximum Interfaces for Each OSPF Instance
In the following example, the show ospf command is used to display the maximum number of OSPF
interfaces:
RP/0/RP1/CPU0:router# show ospf
Routing Process "ospf 100" with ID 0.0.0.0
Supports only single TOS(TOS0) routes
Supports opaque LSA
It is an area border router
Initial SPF schedule delay 5000 msecs
Minimum hold time between two consecutive SPFs 10000 msecs
Maximum wait time between two consecutive SPFs 10000 msecs
Initial LSA throttle delay 500 msecs
Cisco IOS XR Getting Started Guide
5-18
Absolute
Maximum Configuration Command
Limit (Router Configuration Mode)
1024 maximum interfaces n
28,672 maximum redistributed-prefixes
n
32 maximum paths n
16 maximum paths n
Maximum Interfaces for Each OSPF Instance, page 5-18
Maximum Routes Redistributed into OSPF, page 5-19
Number of Parallel Links (max-paths), page 5-19
Chapter 5 Configuring Additional Router Features
Show Current Settings Command
(EXEC Mode)
show ospf
show ospf
Note The maximum number of
redistributed prefixes is
displayed only if
redistribution is configured.
show running-config router ospf
This command shows only
Note
changes to the default value.
If the maximum paths
command does not appear,
the router is set to the default
value.
show running-config router ospf
This command shows only
Note
changes to the default value.
If the maximum paths
command does not appear,
the router is set to the default
value.
OL-10957-02