R3303-HP HSR6800 Routers High Availability Command Reference
91
Syntax
flag { c2 | { j0 | j1 } { sdh | sonet } } flag-value
undo flag { c2 | { j0 | j1 } { sdh | sonet } }
Default
The C2 byte value of an RPRPOS interface is 0x16, and the SDH J0 and J1 byte values are null.
Views
RPRPOS interface view
Default command level
2: System level
Parameters
c2 flag-value: Specifies the path signal label byte. It is a hexadecimal number in the range of 0x00 to
0xFF.
sdh: Sets the framing format to synchronous digital hierarchy (SDH).
sonet: Sets the framing format to synchronous optical network (SONET).
j0 flag-value: Specifies the regeneration section trace message. If the sdh keyword is configured, the
flag-value argument is a string of 1 to 15 characters. If the sonet keyword is configured, the argument is
a hexadecimal number in the range of 0x00 to 0xFF.
j1 flag-value: Specifies the higher-Order VC-N path trace byte. If the sdh keyword is configured, the
flag-value argument is a string of 1 to 15 characters. If the sonet keyword is configured, the argument is
a string of 1 to 62 characters.
Usage guidelines
Inconsistency between the c2 and j1 settings of the sending and receiving interfaces causes alarms.
The J0 byte can be any character in the network of the same carrier. If networks of two carriers are
involved, however, the sending and receiving devices at network borders must use the same J0 byte.
With the J0 byte, operators can detect and troubleshoot faults in advance or use less time to recover
networks.
Examples
# Set the framing format on interface RPRPOS 2/1/1 to SONET, and set the SONET overhead byte J0
of RPRPOS 2/1/1 interface to 0xFF.
<Sysname> system-view
[Sysname] interface rprpos 2/1/1
[Sysname-RPRPOS2/1/1] frame-format sonet
[Sysname-RPRPOS2/1/1] flag j0 sonet ff
flag j1 ignore
Use flag j1 ignore to ignore CRC of the J1 byte.
Use undo flag j1 ignore to restore the default.
Syntax
flag j1 ignore