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SONET/SDH Path Commands
For ATM, this command enables or disables ATM cell-level payload scrambling/descrambling using x43+1
polynomial as defined in ITU-T I.432.1. Scrambling is enabled by default for the ATM path/channel. Note
that this scrambling is done in addition to SONET/SDH frame scrambling/descrambling, which is always
enabled in the framer.
The no form of this command disables scrambling.
Default
no scramble
signal-label
Syntax
signal-label value
Context
config>port>sonet-sdh>path
Description
This command sets the C2 byte value. The purpose of this byte is to communicate the payload type being
encapsulated by SONET framing.
Default
0xcf
Parameters
value — Specifies the C2 byte value, expressed as a decimal integer or a value in hex format.
Values
trace-string
Syntax
trace-string [trace-string]
no trace-string
Context
config>port> sonet-sdh>path
Description
This command specifies that a J1-path-trace that identifies the circuit is inserted continuously at source. This
can be checked against the expected value by the receiver. If no trace string is entered then a null string is
used.
The no form of this command resets the string to its default.
Default
The default J1 value is Alcatel-Lucent XXX YYY (for example, Alcatel 7710 SR) where XXX is the
platform name, such as "7710", and YYY is the product name, such as "SR" or "ESS". The value does not
change when the encap-type changes. The J1 string contains all zeros for a non-provisioned path.
Parameters
trace-string — Specifies either a string up to 62 bytes for SONET or 15 bytes for SDH. If the string contains
spaces, enclose it in quotation marks.
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1 — 254 or 0x01 — 0xfe
7710 SR OS Interface Configuration Guide
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