â– ping mpls l3vpn
â– ping mpls rsvp tunnel
â– ping mpls vpls
â– trace mpls ip
â– trace mpls l2transport
â– trace mpls l3vpn
â– trace mpls rsvp tunnel
â– trace mpls vpls
Point-to-Multipoint LSPs Connectivity Verification at Egress Nodes Overview
JUNOSe Software enables you to use the MPLS ping feature to detect data plane
failures in point-to-multipoint MPLS LSPs. The implementation of the RSVP-TE protocol
in JUNOSe Software was previously enhanced to enable you to configure E Series
routers as tunnel-tail or egress nodes for point-to-multipoint MPLS LSPs. You can use
the point-to-multipoint LSP ping functionality, which is available in routers other than
E Series routers, to send echo request packets and receive echo reply packets to test
network connectivity of point-to-multipoint RSVP-TE MPLS LSPs that contain E Series
routers as egress nodes. You cannot use the ping commands for other
point-to-multipoint MPLS applications, such as LDP LSPs because E Series routers do
not support such functionality. In addition, because E Series routers do not support
ingress, transit, or branch label-switched routers (LSR) roles for point-to-multipoint
LSPs, they do not support the point-to-multipoint MPLS ping feature for ingress,
transit, or branch nodes.
Related Topics Ping Extensions for Point-to-Multipoint LSPs Connectivity Verification at Egress
Nodes on page 237
â–
â– TLVs and Sub-TLVs Supported for Point-to-Multipoint LSPs Connectivity
Verification at Egress Nodes on page 239
â– Verifying and Troubleshooting MPLS Connectivity on page 367
Ping Extensions for Point-to-Multipoint LSPs Connectivity Verification at Egress
Nodes
To enable detection of data plane failures at egress nodes in point-to-multipoint LSPs,
the MPLS ping extensions in point-to-multipoint LSPs define the following new
sub-type-length-values (TLVs) for the Target FEC Stack TLV and new TLVs:
â– RSVP P2MP IPv4 Session sub-TLV
â– P2MP Responder Identifier TLV
â– Echo Jitter TLV
Point-to-Multipoint LSPs Connectivity Verification at Egress Nodes Overview â– 237
Chapter 2: MPLS Overview
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