HPE FlexFabric 5950 Series

30
40B
Configuring the LDP label distribution control
mode
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter LDP view or enter
LDP-VPN instance
view.
• Enter LDP view:
mpls ldp
• Enter LDP-VPN instance view:
a. mpls ldp
b. vpn-instance
vpn-instance-name
N/A
3. Configure the label
distribution control
mode.
label-distribution
{
independent
|
ordered
}
By default, the Ordered label
distribution mode is used.
41B
Configuring a label advertisement policy
A label advertisement policy uses IP prefix lists to control the FEC-label mappings advertised to
peers.
As shown in
695HFigure 15, LSR A advertises label mappings for FECs permitted by IP prefix list B to LSR
B. It advertises label mappings for FECs permitted by IP prefix list C to LSR C.
Figure 15 Label advertisement control diagram
A label advertisement policy on an LSR and a label acceptance policy on its upstream LSR can
achieve the same purpose. As a best practice, use label advertisement policies to reduce network
load if downstream LSRs support label advertisement control.
Before you configure an LDP label advertisement policy, create an IP prefix list. For information
about IP prefix list configuration, see Layer 3—IP Routing Configuration Guide.
To configure a label advertisement policy:
Step Command Remarks
1. Enter system view.
system-view
N/A