Configuring MPLS Configuring MPLS
page 10-20 OmniSwitch AOS Release 6 Network Configuration Guide September 2009
Activating MPLS
By default, the MPLS instance is created and enabled for the switch when the MPLS software license is
downloaded and installed on the switch. As a result, it is not necessary to load or activate MPLS to start
using the feature.
To change the MPLS status for the switch, use the configure router mpls shutdown command. For
example, the following command disables the MPLS instance for the switch:
-> configure router mpls shutdown
The following command enables the MPLS instance for the switch:
-> configure router mpls no shutdown
Activating LDP
By default, the LDP instance is created and enabled for the switch when the MPLS software license is
downloaded and installed on the switch. As a result, it is not necessary to load or activate LDP to start
configuring LDP components.
To change the LDP status for the switch, use the configure router ldp shutdown command. For exam-
ple, the following command disables the LDP instance for the switch:
-> configure router ldp shutdown
The following command enables the LDP instance for the switch:
-> configure router ldp no shutdown
Configuring LDP
Using LDP to create LSPs (tunnels) is supported with this implementation of MPLS. The LDP interacts
with the underlying routing protocol to obtain routing information that is required to set up LSPs. Services,
such as VPLS, use LDP to initiate and manage tunnels from an ingress router (origination point) through
transit routers to an egress router (endpoint).
By default, the LDP instance is enabled for the switch when the MPLS software license is downloaded and
applied. This process also enables global default parameter values for LDP interfaces and targeted LDP
(tLDP) sessions.
Configuring LDP involves creating LDP interfaces on each router that will participate in the LSP and
modifying LDP parameter values on the global level or on a per-interface basis.
Configuring LDP Interfaces
To create an LDP interface, use the configure router ldp interface-parameters interface command. For
example, the following command creates an LDP interface on the previously-configured “vlan-40” IP
interface:
-> configure router ldp interface-parameters interface vlan-40
The LDP interface is enabled by default, along with global interface parameters that are applied when an
interface is configured (see “Modifying LDP Interface Parameters” on page 10-21 for more information).
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