MPLS and VPN Architectures

Appendix A. Tag-switching and MPLS Command Reference

In certain versions of IOS, a number of configuration commands have both MPLS and tag-switching forms and will be supported during the transition from a tag-switching environment to a standards-based MPLS environment. We have used predominantly the tag-switching commands within this publication, but the following table provides a reference which documents some of the more common tag-switching commands and their MPLS equivalent form.

Table 8-1. Tag-switching Versus MPLS Command Structure

LDP Command	TDP Command	Description
mpls ldp advertise-labels	tag-switching advertise-labels	Controls the distribution of locally assigned (incoming) labels by LDP/TDP
mpls ldp atm control-mode ...