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Configuring Your Cayman 3220-H
3-36
2. Enter the number of the virtual circuit identifier in the
VCI field.
The VCI is a number in the range 0-65535. Consult your ATM
transport administrator for what number you should enter in
this field.
3. Specify whether you want the connection to be
maintained constantly or only when it is needed.
If you choose a connection type of Instant On, the Cayman
3220-H shuts down the PPP link if it is not being used for the
number of seconds specified in the Idle Timeout field. If you
choose a connection type of Always On, the Cayman 3220-H
never shuts down the PPP link.
4. If you specified a connection type of Instant On, specify
the number of seconds, in the range 30-600, you want the
Cayman 3220-H to wait before shutting down the PPP
link.
The default is 300 seconds.
5. If you use the Password Authentication Protocol (PAP) to
authenticate connections over the virtual circuit, click the
On radio button, enter your user name in the Username
field, and enter your access password in the
Password/Secret field.
6. If you use the Challenge Handshake Authentication
Protocol (CHAP) to authenticate connections over the
virtual circuit, click the On radio button, enter your user
name in the Username field, and enter your access secret
in the Password/Secret field.
7. Use the IP Interface radio buttons to enable or disable IP
traffic over this virtual circuit.
8. Use the NAT radio buttons to enable or disable network
address translation for this virtual circuit.
Cayman 3220-H User's Guide
December 2000
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