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Chapter 7
Multi-Layer Switching (MLS)
RouterA(config-if)#mls rp ip
RouterA(config-if)#^Z
RouterA#
!
interface FastEthernet4/0
ip address 172.16.10.1 255.255.255.0
no ip directed-broadcast
no ip route-cache
no ip mroute-cache
mls rp vtp-domain web-ut
mls rp vlan-id 10
mls rp ip
!
MSA Management Interface
You may remember that we discussed that there were three components to
MLS. The third component was MLSP. Well, in order for MLS to function
between a switch and a router, MLSP must be able to communicate between
both devices.
This requirement makes this next configuration step essential for MLS
functionality. At least one interface on the router that is connected to the
same switch must be enabled as the management interface. This indicates
which interface is going to allow MLSP exchanges.
Another requirement is that there be at least one management interface
per VLAN on the switch. To specify a router interface as a management
interface, issue the mls rp management-interface command on the spec-
ified interface. Here is an example of the syntax for the command:
RouterA#conf t
Enter configuration commands, one per line. End with CNTL/Z.
RouterA(config)#interface fastethernet 4/0
RouterA(config-if)#mls rp management-interface
RouterA(config-if)#^Z
RouterA#
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