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Configuring a Point-to-Multipoint ATM1 or ATM2 IQ Connection

An ATM interface can be a point-to-point interface or a point-to-multipoint (also called a multipoint nonbroadcast multiaccess [NBMA]) connection.

For ATM1 and ATM2 IQ interfaces, you can configure an NBMA ATM connection by including the following statements:




multipoint-destination address {

epd-threshold cells;

inverse-arp;



oam-liveness {
up-count cells;
down-count cells;
}



oam-period (disable | seconds);



shaping {
(cbr rate | rtvbr peak rate sustained rate burst length | vbr peak rate sustained rate burst length);

queue-length number;
}



vci vpi-identifier.vci-identifier;
}

You can include this statement at the following hierarchy levels:

[edit interfaces interface-name unit logical-unit-number family inet address address]
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number family inet address address]

address is the interface’s address. The address must include the destination prefix (for example, /24).

For each destination, include one multipoint-destination statement. address is the address of the remote side of the connection, and vci-identifier and vpi-identifier are the VCI and optional VPI identifiers for the connection.

When you configure point-to-multipoint connections, all interfaces in the subnet must use the same MTU size.

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