Avaya IPv6 Manual de usuario Pagina 34

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Configuring IPv6 Services
3-4 118428-A Rev. A
Supplying a Value for the Hop Limit Field
The IPv6 header includes a hop limit field set by the originating router (the source
node). Each intermediate node (that is, each node that receives and forwards the
packet) decrements the hop-limit value by one. When the hop-limit value
decrements to zero, the packet is discarded. (The IPv6 hop-limit value serves the
same function as the IPv4 time-to-live value.)
By default, IPv6 inserts a value of 64 into the Hop Limit field of the header of
datagrams originated at the router.
If the transport layer protocol supplies a hop-limit value, IPv6 uses that value.
You can use the following Site Manager procedure to specify a hop-limit value
from 0 to 255.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose Protocols.
The Protocols menu opens.
2. Choose IPv6. The IPv6 menu opens.
3. Choose IPv6 Global. The Edit IPv6 Global Parameters window
opens.
4. Set the Default Hop parameter. Click on
Help or see the parameter description on
page A-2.
5. Click on OK. Site Manager returns you to the
Configuration Manager window.
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