Cisco Systems OL-14361-01 Static Route Configuration Limits, IS-IS Configuration Limits, 122

Chapter 5 Configuring Additional Router Features

Configuration Limiting

Static Route Configuration Limits

Table 5-4summarizes the maximum limits for static routes, including the commands used to display and change the limits.

Table 5-4	Static Route Configuration Limits and Commands
		Default	Absolute	Configuration Command
		Maximum	Maximum	(Static Router Configuration	Show Current Settings Command
Feature Limit Description		Limit	Limit	Mode)	(EXEC or Global Configuration Mode)
Maximum static IPv4 routes		4000	40,000	maximum path ipv4 n	show running-config router static
Maximum static IPv6 routes		4000	40,000	maximum path ipv6 n	show running-config router static

Examples

In the following example, the maximum number of static IPv4 routes is changed to 5000 and the new configuration is displayed.

RP/0/RP1/CPU0:router# configure

RP/0/RP1/CPU0:router(config)# router static

RP/0/RP1/CPU0:router(config-static)# maximum path ipv4 5000

RP/0/RP1/CPU0:router(config-static)# commit

RP/0/RP1/CPU0:router(config-static)# show running-config router static

router static

maximum path ipv4 5000 address-family ipv4 unicast

0.0.0.0/0 172.29.52.1

!

!

IS-IS Configuration Limits

Table 5-5summarizes the maximum limits for IS-IS, including the commands used to display and change the limits.

Table 5-5	IS-IS Configuration Limits and Commands
		Default	Absolute		Show Current Settings
		Maximum	Maximum	Configuration Command	Command
Feature Limit Description		Limit	Limit	(Address Family Configuration Mode)	(EXEC Mode)
Maximum number of prefixes		10,000	28,000	maximum-redistributed-prefixes n	show isis adjacency
redistributed into IS-IS
Number of active parallel paths		8	32	maximum-paths n	show isis route
for each route on a Cisco CRS-1
router
Number of active parallel paths		8	16	maximum-paths n	show isis route
for each route on a
Cisco XR 12000 Series Router

	Cisco IOS XR Getting Started Guide
5-122	OL-14361-01