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RUGGEDCOM ROX II
CLI User Guide
Section 5.41.7
Managing LDP
LDP (Label Distribution Protocol), defined by
enables an MPLS capable router to exchange MPLS label information. The labels are distributed in both
directions so that an LSP (Label Switched Path) can be established and managed within an MPLS network
dynamically, as opposed to configuring static routes. LDP takes advantage of already established routing
information (using OSPF or IS-IS) to distribute label information amongst the MPLS enabled routers).
LDP works by enabling Label Switch Routers (LSRs) to discover and bind labels to their neighbors within the
MPLS network. The LSRs then identify their peers and exchange their label information with one another. Label
information is stored in Label Information Base (LIB) and Label Forwarding Information Base (LFIB) tables.
The following sections describe how to configure and manage LDP:
•
Section 5.41.7.1, "Viewing the Status of LDP Binding"
•
Section 5.41.7.2, "Viewing the Status of the LDP Discovery Interfaces"
•
Section 5.41.7.3, "Viewing the Status of the LDP Neighbor Local Node Information"
•
Section 5.41.7.4, "Viewing the Status of the LDP Neighbor Connection Information"
•
Section 5.41.7.5, "Viewing the Status of the LDP Neighbor Discovery Information"
•
Section 5.41.7.6, "Configuring LDP"
•
Section 5.41.7.7, "Configuring Neighbor Discovery"
•
Section 5.41.7.8, "Viewing a List of LDP Interfaces"
•
Section 5.41.7.9, "Enabling/Disabling an LDP Interface"
Section 5.41.7.1
Viewing the Status of LDP Binding
To view the status of the LDP binding on the device, type:
show mpls ldp status binding
A table or list similar to the following example appears:
ruggedcom# show mpls ldp status binding
LOCAL
PREFIX
LABEL
----------------------------------------------------
1.1.1.1
17
1.1.1.1
17
2.2.2.2
18
2.2.2.2
18
3.3.3.3
imp-null
4.4.4.4
imp-null
5.5.5.5
19
5.5.5.5
19
This table or list provides the following information:
Parameter
prefix
Managing LDP
RFC 5036
NEXT
REMOTE
HOP
LABEL
IN USE
2.2.2.2
imp-null
in-use
6.6.6.6
17
2.2.2.2
imp-null
in-use
6.6.6.6
18
2.2.2.2
19
6.6.6.6
imp-null
in-use
[http://tools.ietf.org/html/rfc5036], is a protocol that
Description
Synopsis: A string
The LDP transport prefix.
Chapter 5
Setup and Configuration
607
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