
Configuring IP Multicasting and Multimedia Services
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Specifying a TTL
By default, DVMRP assigns a TTL value of 1 to a tunnel. This value is the
minimum IP TTL required for a multicast datagram to be forwarded out this
tunnel. You can use Site Manager to assign a value from 1 to 254.
Use this value to control the scope of the datagrams. If the IP TTL is less than the
threshold value you specify, the router drops the datagram.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
DVMRP
. The DVMRP menu opens.
4. Choose
Tunnel
. The DVMRP Tunnel Parameters window
opens.
5. Set the
Threshold
parameter. Site
Manager: Threshold parameter: page
A-12
6. Click on
Apply
, and then click on
Done
. You return to the Configuration Manager
window.
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