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Nokia Network Voyager for IPSO 4.0 Reference Guide 127
A router forwards Multicast traffic to an adjacent router only if that router has a client that
accepts multicast traffic. Nokia IP security platforms require Distance Vector Multicast Routing
Protocol (DVMRP) to be enabled on the interfaces to which you forward multicast traffic.
In the preceding example, a DVMRP tunnel originates from the ISP at 22.254/24. This tunnel
has a present endpoint of 22.1/24. A DVMRP tunnel set up on Nokia Platform A points to
22.254/24.
1. Initiate a Network Voyager session to Nokia Platform A. In this example, we use Nokia
Platform A as the starting point.
1. Click Interfaces under Configuration > Interface Configuration in the tree view.
2. Click Tunnels in the Physical column.
3. From the pulldown menu in the Create a new tunnel interface with encapsulation, select
DVMRP.
4. Click Apply.
Each time you select a tunnel encapsulation and click Apply, a new tunnel appears in the
table.
5. Click the logical interface name in the Interface column of the Logical interfaces table; this
takes you to the interface page for the specified tunnel.
Example:
tun0c1
6. Enter the following in the Local IP Address text box:
192.168.22.1
7. Enter 192.168.22.254 in the Remote IP Address text box
8. (Optional) Change the interfaces logical name to a more meaningful name by typing the
preferred name in the Logical name text box.
00039
Nokia
Platform B
Nokia Platform DNokia Platform A
26.69/3026.66/30
22.254/24 Network Prefix: 192.168.0.0
Remote PCs using
Multicast Applications
Nokia
Platform C
26.73/3026.70/30
26.65/30 26.74/30
24.0/2422.1/24
DVMRP Tunnel endpoint from
ISP 192.168.22.254/24 to 22.1/24
Internet