450
network, and can significantly save the network bandwidth and reduce network traffic. The
multicast feature can be conveniently used to provide some new value-added services,
including online live broadcast, network TV, remote education, remote medical service,
network radio, realtime video/audio meeting that can be summarized in the following three
fields:
1) Multimedia and stream application.
2) Data warehouse and financial (like stocks) application.
3) Any point-to-multiple-points data distribution application.
With the increasing of multimedia services in the IP network, multicast represents great
market potential, and multicast service is spreading quickly and widely used.
z show ip mroute
16.2.1.1 show ip mroute
Command: show ip mroute [group_address] [source_address]
Function: Display the IP multicast packet forwarding entries..
Parameter: [group_address] specifies the group address for the forwarding entry to be
displayed; [source_address] specifies the source address for the forwarding
entry to be displayed
Default: No display by default.
Command mode: Admin Mode
Usage Guide: This command is used to display IP multicast forwarding entries, or the
forwarding entries in the system FIB table for forwarding multicast packets.
Example: Display all IP multicast forwarding entries.
Switch # show ip mroute
Name: Loopback, Index: 2001, State: 9 localaddr: 127.0.0.1, remote: 127.0.0.1
Name: Vlan1, Index: 2005, State: 13 localaddr: 1.1.1.1, remote: 1.1.1.1
Name: Vlan4, Index: 2006, State: 13 localaddr: 2.1.1.1, remote: 2.1.1.1
Name: Vlan3, Index: 2007, State: 13 localaddr: 3.1.1.1, remote: 3.1.1.1
Group Origin Iif Wrong Oif: TTL
225.1.1.101 1.1.1.100 Vlan1 0 2006: 1
2007: 1
239.255.0.1 9.1.1.100 Vlan4 0 2005: 1