Configuration Commands
Page 294 7750 SR OS Interface Configuration Guide
Default Blank (all zeros)
Parameters auto-generated — Sets the default PSI trace
string identifier — Sets the PSI trace to the string provided by the user. If the string is less than 255
bytes, the remaining bytes will be set to 0.
bytes byte1 [byte2...(up to 64 bytes)] — Sets the PSI trace to the sequence of bytes provided by the
user. If the user provides less than 64 bytes, the remaining bytes will be set to 0. A 1 byte
sequence of 0xFF will set the default strings.
Values 0 — FF, in hexidecimal byte notation
expected
Syntax expected {string string | bytes byte-sequence | auto-generated | use-rx}
Context config>port>otu>pm-tti
Description This command allows the user to configure the expected RX in bytes 1 to 255 (skipping byte 0) of the
Payload structure identifier (PSI) of the OPU overhead. This identifier can be a string or a non-
printable sequence of bytes. The length of the string or sequence of bytes cannot exceed 255 bytes.
This trace should match the far-end port's PSI trace. When this trace does not match the received PSI
trace, the OPU-TIM alarm will be reported if enabled.
Default Blank (all zeros)
Parameters auto-generated — Sets the default
string string — Sets the PSI trace to the string provided by the user. If the string is less than 64 bytes,
the remaining bytes will be set to 0.
bytes — [byte1 byte2 ... byte64]. Sets the PSI trace to the sequence of bytes provided by the user. If
the user provides less than 64 bytes, the remaining bytes will be set to 0.
use-rx — Copies the received psi-tti to the expected either as a string or a sequence of bytes
depending on the received psi-tti data.
mismatch-reaction
Syntax mismatch-reaction {none | squelch-rx}
Context config>port>otu>psi-tti
Description This command allows the user to configure the consequent action to a psi-tti mismatch.
Default None
Parameters none — The received traffic is passed through.
squelch-rx — The received traffic is blocked.
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