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126 Nokia Network Voyager for IPSO 4.0 Reference Guide
Note
When the DVMRP tunnel interface is created, set all other DVMRP configuration parameters
from the DVMRP page.
To change the local or remote addresses of a DVMRP tunnel
1. Click Interfaces under Configuration > Interface Configuration in the tree view.
2. In the Logical column, click the Logical Interface link on the tunnel that is to have the IP
address changed.
Example:
tun0c1
3. (Optional) Enter the IP address of the local end of the DVMRP tunnel in the Local Address
text box.
The local address must be one of the systems interface IP addresses and must also be the
remote address configured on the DVMRP tunnel on the remote router.
4. (Optional) Enter the IP address of the remote end of the DVMRP tunnel in the Remote
Address text box.
The remote address must be the IP address of the multicast router at the remote end of the
DVMRP tunnel. It cannot be one of the systems interface addresses.
5. Click Apply.
6. Click Save to make your changes permanent.
Note
When the tunnel interface has been created, set all other DVMRP configuration parameters
from the DVMRP page.
DVMRP Tunnel Example
The following example contains one connection to the Internet through an Internet Service
Provider (ISP). This ISP provides a multicast traffic tunnel. Multicast traffic uses the address
space above 224.0.0.0 and below 238.0.0.0. Multicast traffic is different from unicast (point-to-
point) traffic in that is in one-to-many traffic forwarded by routers.