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Cisco IOS XR Getting Started Guide
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Chapter5 Configuring Additional Router Features
Configuration Limiting
Multicast Configuration Limits
Tabl e 5-9 summarizes the maximum limits for multicast configuration, including the commands used to
display and change the limits.
Table5-9 Multicast Configuration Limits and Commands
Feature Limit Description
Default
Maximum
Limit
Absolute
Maximum
Limit Configuration Command
Show Current Settings
Command (EXEC Mode)
Internet Group Management Protocol (IGMP) Limits
Maximum number of
groups used by IGMP
and accepted by a router
50,000 75,000 maximum groups n
(router IGMP configuration mode)
show igmp summary
Maximum number of
groups for each interface
accepted by a router
25,000 40,000 maximum groups-per-interface n
(router IGMP interface configuration
mode)
show igmp summary
Multicast Source Discovery Protocol (MSDP) Limits
Maximum MSDP Source
Active (SA) entries
20,000 75,000 maximum external-sa n
(router MSDP configuration mode)
show msdp summary
Maximum MSDP SA
entries that can be
learned from MSDP
peers
20,000 75,000 maximum peer-external-sa n
(router MSDP configuration mode)
show msdp summary
Protocol Independent Multicast (PIM) Limits
Maximum PIM routes
supported
100,000 200,000 maximum routes n
(router PIM configuration mode)
show pim summary
Maximum PIM egress
states
300,000 600,000 maximum route-interfaces n
(router PIM configuration mode)
show pim summary
Maximum PIM registers 20,000 75,000 maximum register-states n
(router PIM configuration mode)
show pim summary
Maximum number of
PIM group map ranges
learned from Auto-RP
500 5000 maximum group-mappings autorp n
(router PIM configuration mode)
show pim summary