Cisco ASR 9000 Getting Started Manual page 105

Chapter Configuring Additional Router Features
Table 15 OSPFv2 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 8
parallel routes
(maximum paths) on
Cisco ASR 9000 Series
Router routers
1. This limit is for ASR 9000 Ethernet LCs. The actual number differs depending on the LC on the system.
Examples
The following examples show OSPF configuration limits:
•
•
•
Maximum Interfaces for Each OSPF Instance: Example
The following example shows how the show ospf command is used to display the maximum number of
OSPF interfaces:
RP/0/RSP1/CPU0:router# show ospf
Mon May 31 22:20:15.618 DST
Routing Process "ospf 100" with ID 10.144.144.144
NSR (Non-stop routing) is Enabled
Supports only single TOS(TOS0) routes
Supports opaque LSA
Router is not originating router-LSAs with maximum metric
Initial SPF schedule delay 50 msecs
Minimum hold time between two consecutive SPFs 200 msecs
Maximum wait time between two consecutive SPFs 5000 msecs
Initial LSA throttle delay 50 msecs
Minimum hold time for LSA throttle 200 msecs
Maximum wait time for LSA throttle 5000 msecs
Minimum LSA interval 200 msecs. Minimum LSA arrival 100 msecs
OL-28417-02
Absolute
Maximum
Limit
1024
1
20,000
8
Maximum Interfaces for Each OSPF Instance: Example, page 101
Maximum Routes Redistributed into OSPF: Example, page 102
Number of Parallel Links (max-paths): Example, page 103
Configuration Command
(Router Configuration Mode)
maximum interfaces n
maximum redistributed-prefixes
n
maximum paths n
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
Configuration Limiting
Show Current Settings Command
(EXEC Mode)
show ospf
show ospf
The maximum number of
Note
redistributed prefixes
appear only if
redistribution is
configured.
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.
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