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JUNOS 10.1 Network Interfaces Configuration Guide
NOTE: On channelized STM1 interfaces, you should configure the clock source on
one side of the connection to be internal (the default JUNOS configuration) and on
the other side of the connection to be external.
For information about Frame Relay DLCI limitations for channelized interfaces, see
"Data-Link Connection Identifiers on Channelized Interfaces" on page 396. For more
information about Frame Relay DLCIs, see "Configuring a Point-to-Point Frame Relay
Connection" on page 388. For information about DLCI sparse mode, see the JUNOS
System Basics Configuration Guide.
For more information about specific statements, see "E1 Interfaces Overview" on
page 561, "SONET/SDH Interfaces Overview" on page 895, and "T1 Interfaces
Overview" on page 577. For a configuration example, see "Example: Configuring
Channelized STM1 Interfaces" on page 487.
Configuring Virtual Tributary Mapping of Channelized STM1 Interfaces
You can configure virtual tributary mapping to use KLM mode or ITU-T mode. To
configure virtual tributary mapping, include the
chassis fpc slot-number pic pic-number]
By default, virtual tributary mapping uses KLM mode. For more information, see the
JUNOS System Basics Configuration Guide.
For the Channelized STM1 IQ and IQE PICs, you can configure virtual tributary
mapping by including the
sonet-options]
480
Configuring Channelized STM1 Interfaces
hold-time milliseconds;
lockout;
neighbor address;
paired-group group-name;
protect-circuit group-name;
request;
revert-time seconds;
switching-mode (bidirectional | unidirectional);
working-circuit group-name;
}
bytes {
e1-quiet value;
f1 value;
f2 value;
s1 value;
z3 value;
z4 value;
}
loopback (local | remote);
}
[edit chassis fpc slot-number pic pic-number]
vtmapping (klm | itu-t);
vtmapping
hierarchy level:
vtmapping
statement at the
hierarchy level:
statement at the
[edit interfaces cau4-fpc/pic/port
[edit
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