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764 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Using ACLs to control multicast features
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PowerConnect(config)#int e1
PowerConnect(config-if-1)#ip tunnel 192.3.45.6
NOTE
The IP tunnel address represents the configured IP tunnel address of the destination router. In the
case of Router A, its destination router is Router B. Router A is the destination router of Router B.
For router B, enter the following.
PowerConnect (config-if-1)#ip tunnel 192.58.4.1
FIGURE 123 IP in IP tunneling on multicast packets in a unicast network
Using ACLs to control multicast features
You can use ACLs to control the following multicast features:
• Limit the number of multicast groups that are covered by a static rendezvous point (RP)
• Control which multicast groups for which candidate RPs sends advertisement messages to
bootstrap routers
• Identify which multicast group packets will be forwarded or blocked on an interface
Using ACLs to limit static RP groups
You can limit the number of multicast groups covered by a static RP using standard ACLs. In the
ACL, you specify the group to which the RP address applies. The following examples set the RP
address to be applied to multicast groups with some minor variations.
To configure an RP that covers multicast groups in 239.255.162.x, enter commands such as the
following.
PowerConnect(config)#access-list 2 permit 239.255.162.0 0.0.0.255
PowerConnect(config)#router pim
PowerConnect(config-pim-router)#rp-address 43.43.43.1 2
To configure an RP that covers multicast groups in the 239.255.162.x range, except the
239.255.162.2 group, enter commands such as the following.
PowerConnect(config)#access-list 5 deny host 239.255.162.2
PowerConnect(config)#access-list 5 permit 239.255.0.0 0.0.255.255
Router
Router
Router
Router A
Router B
Router
Group
Member
Group
Member
Group
Member
Group
Member
Group
Member
Group
Member
Multicast Capable Router
Non-Multicast
Capable Routers
Multicast Capable Router
...
...
192.58.4.1
192.3.45.6
IP Tunnel IP Tunnel