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configured for the interface with the
Maximum Number of ATM1 VCs on a VP" on page 307.
VCIs 0 through 31 are reserved for specific ATM values designated by the ATM Forum.
ATM2 IQ interfaces support only one invalid VC counter for all ports. The invalid VC
counter is recorded at port 0 only.
When you are configuring point-to-point connections, the maximum transmission
unit (MTU) sizes on both sides of the connections must be the same.
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:
You can include this statement at the following hierarchy levels:
address
(for example,
For each destination, include one
address of the remote side of the connection, and
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.
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;
}
[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]
is the interface s address. The address must include the destination prefix
).
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Configuring a Point-to-Multipoint ATM1 or ATM2 IQ Connection
Chapter 13: Configuring ATM Interfaces
statement, as described in "Configuring the
vpi
statement.
multipoint-destination
vci-identifier
is the
address
and
are
vpi-identifier
325
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