R3303-HP 6600/HSR6600 Routers Interface Configuration Guide
42
Ste
p
Command
Remarks
6. Set the clock mode.
• For the CE3 interface:
clock { master | slave }
• For an E1 line:
e1 line-number set clock { master |
slave }
Optional.
The default mode for both
the CE3 interface and E1
line is slave, which is line
clock.
7. Set the national bit.
national-bit { 0 | 1 }
Optional.
The default is 1.
8. Enable loopback.
• For the CE3 interface:
loopback { local | payload | remote }
• For an E1 line:
e1 line-number set loopback { local |
remote | payload }
Optional.
Loopback is disabled by
default.
9. Set E1 framing format on an
E1 line.
e1 line-number set frame-format { crc4 |
no-crc4 }
Optional.
The default is no-crc4.
10. Set the intended bandwidth
for the CE3 interface.
bandwidth bandwidth-value Optional.
11. Enter synchronous serial
interface view of an interface
formed by a CE3 interface.
• interface serial number/line-number:0
• interface serial
number/line-number:set-number
N/A
12. Set the CRC mode
crc { 16 | 32 | none }
Optional.
By default, 16-bit CRC is
adopted.
Displaying and maintaining CE3 interfaces
Task Command
Remarks
Display the state information of a
CE3 interface.
display controller e3
[ interface-number ] [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display the configuration and state
of a serial interface formed on a
CE3 interface.
display interface serial interface-number
[ | { begin | exclude | include }
regular-expression ]
Available in any view.
Clear the controller counter of a
CE3 interface.
reset counters controller e3
interface-number
Available in user view.
Shut down a CE3 interface. shutdown
Available in CE3 interface
view.
CAUTION:
Make sure you are fully
aware of the impact of the
shutdown action on your
network.
Bring up a CE3 interface. undo shutdown
Available in CE3 interface
view.










