Displaying System And Network Statistics - Cisco Catalyst 3850 series Configuration Manual

Displaying System and Network Statistics

You can use any of the privileged EXEC commands in the following table to clear IP multicast caches, tables,
and databases.
Table 22: Commands for Clearing Caches, Tables, and Databases
Command
clear ip igmp group {group [ hostname | IP address] | vrf
name group [ hostname | IP address] }
clear ip mfib { counters [group | source] | global counters
[group | source] | vrf * }
clear ip mrm {status-report [ source ] }
clear ip mroute { * | [hostname | IP address] | vrf name
group [ hostname | IP address] }
clear ip msdp { peer | sa-cache | statistics | vrf }
clear ip multicast { limit | redundancy statistics }
clear ip pim { df [ int | rp rp address ] | interface |
rp-mapping [rp address] | vrf vpn name { df | interface |
rp-mapping }
clear ip sap [group-address | "session-name"]
Displaying System and Network Statistics
You can display specific statistics, such as the contents of IP routing tables, caches, and databases.
This release does not support per-route statistics.
Note
You can display information to learn resource usage and solve network problems. You can also display
information about node reachability and discover the routing path that packets of your device are taking
through the network.
You can use any of the privileged EXEC commands in the following table to display various routing statistics.
Table 23: Commands for Displaying System and Network Statistics
Command
ping [group-name | group-address]
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
302
Purpose
Deletes entries from the IGMP cache.
Clears all active IPv4 Multicast Forwarding
Information Base (MFIB) traffic counters.
IP multicast routing clear commands.
Deletes entries from the IP multicast routing
table.
Clears the Multicast Source Discovery
Protocol (MSDP) cache.
Clears the IP multicast information.
Clears the PIM cache.
Deletes the Session Directory Protocol
Version 2 cache or an sdr cache entry.
Purpose
Sends an ICMP Echo Request to a multicast group address.
Configuring Basic IP Multicast Routing
OL-32598-01