65b2f968_R_12000_Series_Router____Cisco_ase_verbose_Field_Descriptions_Description
[Field] LSP Seq Num [Description] 
Sequence number for the LSP that allows other systems to determine if they have received the latest information from the source.
Cisco IOS XR Routing Command Reference for the Cisco XR 12000 Series Router, Release 4.2.x - IS-IS Commands on Cisco IOS XR Software [Cisco XR 12000 Series Router] - Cisco