Cisco Systems OL-14361-01 manual Multicast Configuration Limits, 129

Chapter 5 Configuring Additional Router Features

Configuration Limiting

Multicast Configuration Limits

Table 5-9summarizes the maximum limits for multicast configuration, including the commands used to display and change the limits.

Table 5-9 Multicast Configuration Limits and Commands

	Default	Absolute
	Maximum	Maximum		Show Current Settings
Feature Limit Description	Limit	Limit	Configuration Command	Command (EXEC Mode)
Internet Group Management Protocol (IGMP) Limits
Maximum number of	50,000	75,000	maximum groups n	show igmp summary
groups used by IGMP			(router IGMP configuration mode)
and accepted by a router
Maximum number of	25,000	40,000	maximum groups-per-interface n	show igmp summary
groups for each interface			(router IGMP interface configuration
accepted by a router
			mode)
Multicast Source Discovery Protocol (MSDP) Limits
Maximum MSDP Source	20,000	75,000	maximum external-sa n	show msdp summary
Active (SA) entries			(router MSDP configuration mode)
Maximum MSDP SA	20,000	75,000	maximum peer-external-sa n	show msdp summary
entries that can be			(router MSDP configuration mode)
learned from MSDP
peers
Protocol Independent Multicast (PIM) Limits
Maximum PIM routes	100,000	200,000	maximum routes n	show pim summary
supported			(router PIM configuration mode)
Maximum PIM egress	300,000	600,000	maximum route-interfaces n	show pim summary
states			(router PIM configuration mode)
Maximum PIM registers	20,000	75,000	maximum register-states n	show pim summary
			(router PIM configuration mode)
Maximum number of	500	5000	maximum group-mappings autorp n	show pim summary
PIM group map ranges			(router PIM configuration mode)
learned from Auto-RP

	Cisco IOS XR Getting Started Guide
OL-14361-01		5-129