Network Router User Manual

Nortel Secure Router 8000 Series
Configuration -WAN Access 10 Low-speed ATM configuration
Issue 5.3 (
30 March 2009) Nortel Networks Inc. 10-9
10.1.5 references
For more information about the ATM principle, refer to:
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RFC1755: ATM Signaling Support for IP over ATM
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RFC1926: An Experimental Encapsulation of IP Datagrams on Top of ATM
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RFC1932: IP over ATM: A Framework Document
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RFC2684: Multiprotocol Encapsulation over ATM Adaptation Layer 5
10.2 Configuring ATM interfaces
10.2.1 Establishing the configuration task
Applicable environment
The parameters of the ATM interface include the clock mode, frame format, scramble function
and loopback mode. All these parameters have default configurations.
ATM sub-interface parameters do not include the clock mode, frame format, scramble
function, and loopback mode. If you configure those parameters on the ATM main interface,
the sub-interface automatically inherits the parameters.
When using an ATM interface, you need to configure its attributes.
Preconfiguration tasks
None.
Data preparation
To configure an ATM interface, you need the following data.
No. Data
1 Number of the ATM interface on the router
Configuration procedures
No. Procedure
1 Configuring the parameters of ATM OC-3/STM-1 interfaces
2 Configuring the parameters of the ATM E3 interface
3 Checking the configuration