Version8.3.12.0Introduced on the S4810.Version 8.3.11.1 Introduced on the Z9000.Version 7.5.1.0 Added IPv6 ISIS support.Version 6.3.1.0 Version 6.3.1.0 IntroducedUsageInformationYou cannot disable leaking from one level to another; however, you can regulatethe rate flow from one level to another using an IP Prefix list. If you do notconfigure the IP Prefix list, all routes are leaked.You can find more information in IETF RFC 2966, Domain-wide Prefix Distributionwith Two-Level IS-IS.area-passwordConfigure a hash message authentication code (HMAC) password for an area.S4810Syntax area-password [hmac-md5 | encryption-type] passwordTo delete a password, use the no area-password command.Parameters hmac-md5 (OPTIONAL) Enter the keywords hmac-md5 to encrypt thepassword.encryption-type(OPTIONAL) Enter 7 to encrypt the password using DES.password Enter a 1 to 16-character length alphanumeric string toprevent unauthorized access or incorrect routinginformation corrupting the link state database. The passwordis processed as plain text, which only provides limitedsecurity.Defaults Not configured.CommandModesROUTER ISISCommandHistoryThis guide is platform-specific. For command information about other platforms,refer to the relevant Dell Networking OS Command Line Reference Guide.The following is a list of the Dell Networking OS version history for this command.Version 9.0.2.0 Introduced on the S6000.Intermediate System to Intermediate System (IS-IS) 955