Quick Reference Guide

System Configuration Commands | 99
show interface loopback
Display loopback interface configuration.
Syntax
show interface loopback 0
Modes
Privileged Exec; User Exec
Command
History
show mac-address-table
This command displays the Multicast Forwarding Database (MFDB) statistics.
Syntax
show mac-address-table {gmrp | igmpsnooping | multicast | stats}
gmrp—Display GMRP entries in the MFDB table.
igmpsnooping—Display IGMP Snooping entries in the MFDB table.
multicast—Display Multicast Forwarding Database Table information.
stats—Display MFDB statistics.
Mode
Privileged Exec
The output field descriptions are:
Total Entries—This displays the total number of entries that can possibly be in the Multicast Forwarding
Database table.
Most MFDB Entries Ever Used—This displays the largest number of entries that have been present in
the Multicast Forwarding Database table. This value is also known as the MFDB high-water mark.
Current Entries—This displays the current number of entries in the Multicast Forwarding Database
table.
Version 2.5.1 Introduced
Related
Commands
access-list Creates an IP access control list.
interface loopback Configures loopback interface 0.
ip access-group (Interface) Attaches a specified access control list to an interface.
Related
Commands
show mac-address-table multicast Displays Multicast Forwarding Database (MFDB) information
show mac-address-table stats Displays Multicast Forwarding Database (MFDB) statistics
show mac-address-table gmrp Displays GARP Multicast Registration Protocol (GMRP) entries in the
MFDB table
show mac-address-table
igmpsnooping
Displays IGMP Snooping entries in the MFDB table
show mac-addr-table Displays forwarding database entries