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NetStructure™ 480T Routing Switch User Guide
• Export Filter—Use an access profile to determine which
DVMRP routes are advertised into a particular VLAN, using this
command:
configure dvmrp vlan [<name> | all] export-
filter [<access_profile> | none]
DVMRP Example
In this example, the network used in the previous RIP example is
configured to run DVMRP. The network administrator wants to
disallow Internet access for multicast traffic to users on the VLAN
Engsvrs.
This is accomplished by preventing the learning of routes that
originate from the switch labeled Internet through DVMRP on the
switch labeled Engsvrs.
To configure the switch labeled Engsvrs, use these commands:
create access-profile nointernet type ipaddress
configure access-profile nointernet mode deny
configure access-profile nointernet add ipaddress
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configure dvmrp vlan backbone trusted-gateway
nointernet
Suppose the administrator wants to preclude users on the VLAN
Engsvrs from seeing any multicast streams that are generated by the
VLAN Sales across the backbone. The commands for the additional
configuration of the switch labeled Engsvrs are:
create access-profile nosales type ipaddress
configure access-profile nosales mode deny
configure access-profile nosales add ipaddress
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configure dvmrp vlan backbone import-filter nosales
Routing Access Policies for PIM
PIM (Protocol Independent Multicasting) leverages the unicast
routing capability that is already present in the 480T routing switch.
If the PIM protocol is used for routing IP multicast traffic, you can