Exhibit 31.1**CERTIFICATIONS**I, Dave Côté, CEO of Packeteer, Inc., certify that:1.     I have reviewed this annual report on Form 10-K of Packeteer, Inc.;2.     Based on my knowledge, this report does not contain any untrue statement of a material fact oromit to state a material fact necessary to make the statements made, in light of the circumstancesunder which such statements were made, not misleading with respect to the period covered by thisreport;3.     Based on my knowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financial condition, results ofoperations and cash flows of the registrant as of, and for, the periods presented in this report;4.     The registrant’s other certifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) andinternal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and15d-15(f)) for the registrant and have: a) designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under oursupervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made knownto us by others within those entities, particularly during theperiod in which this report is being prepared;  b) designed such internal control over financial reporting, or causedsuch internal control over financial reporting to be designedunder our supervision, to provide reasonable assurance regardingthe reliability of financial reporting and the preparation offinancial statements for external purposes in accordance withgenerally accepted accounting principles;  c) evaluated the effectiveness of the registrant’s disclosurecontrols and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this reportbased on such evaluation; and  d) disclosed in this report any change in the registrant’s internalcontrol over financial reporting that occurred during theregistrant’s most recent fiscal quarter (the registrant’s fourthfiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect,the registrant’s internal control over financial reporting; and5.     The registrant’s other certifying officer and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to the registrant’s auditors and the auditcommittee of registrant’s board of directors: (a) all significant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely to adversely affectthe registrant’s ability to record, process, summarize and report financial information;and  (b) any fraud, whether or not material, that involves management or other employees whohave a significant role in the registrant’s internal control over financial reporting.        Dated: March 16, 2006 /s/ Dave Côté   Dave Côté   Chief Executive Officer