Cisco IOS XR MPLS Command Reference for the Cisco CRS Router, Release 4.2.x
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The Cisco IOS XR MPLS Command Reference for the Cisco CRS-1 Router preface contains these sections:

Changes to This Document

Changes to This Document lists the technical changes made to this document since it was first printed.

Table 1 Changes to This Document
Revision Date Change Summary
OL-26060-03 September 2012 Republished with documentation updates for Cisco IOS XR Release 4.2.3 features.
OL-26060-02 June 2012 Republished for Cisco IOS XR Release 4.2.1.
OL-26060-01 December 2011 Initial release of this document.

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