User's Manual

Table Of Contents
510
Users Manual of CS-6306R
address 192.168.20.97/24 to the broadcast message with the destination address 172.10.255.255.
In the first-hop router connecting the source broadcast network, perform the following operations: (the router
is configured on the VLAN port)
interface ethernet 0
ip directed-broadcast
ip multicast helper-map broadcast 230.0.0.1 testacl
ip pim-dm
!
ip access-list extended testacl permit udp 192.168.20.97 255.255.255.0 any
ip forward-protocol udp 4000
In the last-hop router connecting the destination broadcast network, perform the following operations:
interface ethernet 1
ip directed-broadcast
ip multicast helper-map 230.0.0.1 172.10.255.255 testacl2
ip pim-dm
!
ip access-list extended testacl2 permit udp 192.168.20.97 255.255.255.0 any
ip forward-protocol udp 4000
50.2.9 Configuring Stub Multicast Route
Run the commands ip igmp helper-address and ip pim-dm neighbor-filter to configure the Stub multicast
route.
On the port where the stub router and the host are connected, perform the following operations:
Command Purpose
interfacetype number
Enters the interface configuration mode.
ip igmp helper-address
destination-address
Configures the command ip igmp
helper-address to forward the multicast
message to the central router.
On the port where the central router and the stub router are connected, perform the following operations:
Command Purpose
interface type number
Enters the interface configuration mode.
ip pim neighbor-filter access-list
Filters all pim messages on the stub
router.