3Com S7902E, Configuration Manual

Page: 1455 / 2621

1-21
Configuring MPLS LDP Capability
Follow these steps to configure MPLS LDP capability:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable LDP capability globally
and enter MPLS LDP view
mpls ldp
Required
Not enabled by default
Configure the LDP LSR ID
lsr-id lsr-id
Optional
MPLS LSR ID of the LSR by
default
Exit to system view
quit
—
Enter interface view
interface interface-type
interface-number
—
Enable LDP capability for the
interface
mpls ldp
Required
Not enabled by default
z
Currently, only VLAN-interface supports LDP capability.
z
Disabling LDP on an interface terminates all LDP sessions on the interface. As a result, all LSPs
using the sessions will be deleted.
z
Usually, you do not need to configure the LDP LSR ID, which defaults to the MPLS LSR ID. In
some VPN applications (for example, MPLS L3VPN applications), however, you need to ensure
that different LDP instances have different LDP LSR IDs if the address spaces overlap. Otherwise,
the TCP connections cannot be established normally.
Configuring Local LDP Session Parameters
You can configure a local session transport address to be the IP address of an interface or a specified IP
address.
Follow these steps to configure local LDP session parameters:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter interface view
interface interface-type
interface-number
—
Set the link Hello timer
mpls ldp timer hello-hold
value
Optional
15 seconds by default
Set the link Keepalive timer
mpls ldp timer
keepalive-hold value
Optional
45 seconds by default