Command Reference Guide

3Com Router 5000 Family and Router 6000 Family flag ● 175
Command Reference
flag
Purpose Use the flag command to set the overhead byte of SONET/SDH frames.
Use the undo flag command to restore the default.
Syntax flag { j0 j0-string | j1 j1-string | c2 c2-value }
undo flag { j0 | j1 | c2 }
Parameters j0
Regeneration section trace message, comprised of a
string from 1 to 15 characters long.
The default value is 0x01.
j1
Path trace message, a string of 1 to 15 characters.
The default value is NetEngine.
c2
Path signal label byte. The value is a hexadecimal
number ranging from 00 to FF.
The default value is 0x02.
Example Set the path trace message j1 of the interface CPOS 1/0/0 to 3COM.
<3Com > system-view
[3Com ] controller cpos 1/0/0
[3Com -Cpos1/0/0] flag j1 3COM
View This command can be used in the following views:
■ CPOS Interface view
Description SONET/SDH frames provide a variety of overhead bytes for operation and
maintenance (OAM) such as layered management on transmission networks. j1, j0
and c2 are used to support interoperability between devices from different countries,
areas or vendors.
Related Command display controller cpos