Operation Manual – POS Interface
H3C S9500 Series Routing Switches
Chapter 1 POS Interface Configuration
1-2
To do...
Use the command...
Remarks
Enter system view
system-view
––
Enter POS interface view
interface pos
interface-number
Required
Set the clock mode
clock
{
master
|
slave
}
Optional
The default is slave.
Set the CRC length
crc
{
16
|
32
}
Optional
The default is 32 bits.
Set the loopback mode
loopback
{
local
|
remote
}
Optional
Disabled by default
Configure the overhead
byte
flag
{
c2
| {
j0
|
j1
} {
sdh
|
sonet
} }
flag-value
Optional
By default, SDH framing
applies.
The default is
hexadecimal 16 for C2.
In SDH framing, the
defaults are 15 0x0 for
both J0 and J1.
In SONET framing, the
defaults are 0x01 for J0
and 62 0x0 for J1.
Set the framing format
frame-format
{
sdh
|
sonet
}
Optional
The default is SDH.
Configure scrambling
scramble
Optional
Enabled by default.
Set the link protocol type
link-protocol
ppp
Optional
The default is PPP.
Set the PPP negotiation
timeout time
ppp timer negotiate
seconds
Optional
The default is 3 seconds.
Set the interval to send
keepalive packets
timer hold seconds
Optional
The default is 10 seconds.
Set the interface MTU
mtu
size
Optional
The default is 1,500 bytes.
Set the SD/SF threshold
for the interface
threshold
{
sd
|
sf
}
value
Optional
The SD threshold defaults
to 10e-6. The SF
threshold defaults to
10e-3.