System Configuration Commands | 99show interface loopbackDisplay loopback interface configuration.Syntax show interface loopback 0Modes Privileged Exec; User ExecCommandHistoryshow mac-address-tableThis 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 ExecThe output field descriptions are:Total Entries—This displays the total number of entries that can possibly be in the Multicast ForwardingDatabase table.Most MFDB Entries Ever Used—This displays the largest number of entries that have been present inthe 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 Databasetable.Version 2.5.1 IntroducedRelatedCommandsaccess-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.RelatedCommandsshow mac-address-table multicast Displays Multicast Forwarding Database (MFDB) informationshow mac-address-table stats Displays Multicast Forwarding Database (MFDB) statisticsshow mac-address-table gmrp Displays GARP Multicast Registration Protocol (GMRP) entries in theMFDB tableshow mac-address-tableigmpsnoopingDisplays IGMP Snooping entries in the MFDB tableshow mac-addr-table Displays forwarding database entries
