The IESG has received a request from the IS-IS for IP Internets WG (isis) to consider the following document: - 'IS-IS Extended Sequence number TLV' <draft-ietf-isis-extended-sequence-no-tlv-04.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2015-04-08. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This document defines Extended Sequence number TLV to protect Intermediate System to Intermediate System (IS-IS) PDUs from replay attacks. The file can be obtained via http://datatracker.ietf.org/doc/draft-ietf-isis-extended-sequence-no-tlv/ IESG discussion can be tracked via http://datatracker.ietf.org/doc/draft-ietf-isis-extended-sequence-no-tlv/ballot/ No IPR declarations have been submitted directly on this I-D.