3Com S7906E - Switch, Configuration Manual

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To do… Use the command… Remarks
Enter system view
system-view
—
Enable LDP capability globally
and enter MPLS LDP view
mpls ldp
Required
Specify the label distribution
control mode
label-distribution
{
independent
|
ordered
}
Optional
Ordered
by default
Note that you need to reset
LDP sessions for this command
to take effect.
Enable label readvertisement
for DU mode
du-readvertise
Optional
Enabled by default
Set the interval for label
readvertisement in DU mode
du-readvertise timer value
Optional
30 seconds by default
Configuring LDP Loop Detection
Follow these steps to configure LDP loop detection:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable LDP capability globally
and enter MPLS LDP view
mpls ldp
Required
Enable loop detection
loop-detect
Required
Disabled by default
Set the maximum hop count
hops-count hop-number
Optional
32 by default
Set the maximum path vector
length
path-vectors pv-number
Optional
32 by default
Changing the loop detection configurations does not affect existing LSPs.
You need to configure loop detection before enabling LDP capability on any interface.
Configuring LDP MD5 Authentication
To improve the security of LDP sessions, you can configure MD5 authentication for the underlying TCP
connections.