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Chapter 10
Configuring Multicast
aaa new-model
aaa authentication login default tacacs+ line
aaa authentication login oldstyle line
aaa accounting exec default start-stop tacacs+
enable secret 5 $1$G7Dq$em.LpM4Huem9uqjZDHLe4.
!
!
!
ip subnet-zero
ip telnet source-interface FastEthernet3/0
Notice that there is no multicast information running on this machine. If
we were to try to execute a multicast-related command, we wouldn't get any
information returned. For example, look at what happens when the show ip
mroute
command is issued:
RouterA#sho ip mroute
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, C - Connected, L - Local,
P - Pruned R - RP-bit set, F - Register flag,
T - SPT-bit set,J - Join SPT, M - MSDP created entry,X -
Proxy Join Timer Running
A - Advertised via MSDP
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
RouterA#
The syntax for the command is ip multicast-routing and an example
of the execution follows:
RouterA#conf t
Enter configuration commands, one per line. End with
CNTL/Z.
RouterA(config)#ip multicast-routing
RouterA(config)#^Z
RouterA#
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