advertiseLeak routes between levels (distribute IP prefixes between Level 1 and Level 2 and vice versa).E-Series, S4810Syntax advertise {level1-into-level2 | level2-into-level1} prefix-list-nameTo return to the default, use the no advertise {level1-into-level2 | level2-into-level1}[prefix-list-name] command.Parameters level1-into-level2 Enter the keywords level1-into-level2 to advertise Level 1routes into Level 2 LSPs. This is the default.level2-into-level1 Enter the keywords level2-into-level1 to advertise Level 2inter-area routes into Level 1 LSPs. This is described in RFC 2966.prefix-list-name Enter the name of a configured IP prefix list. Routes meeting thecriteria of the IP Prefix list are leaked.Defaults level1-into-level2 (Level 1 to Level 2 leaking enabled.)Command Modes • ROUTER ISIS (for IPv4)• CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 (for IPv6)Command History Version 8.3.12.0 Introduced on the S4810.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 regulate the rate flowfrom one level to another using an IP Prefix list. If you do not configure the IP Prefix list, allroutes are leaked.You can find additional information in IETF RFC 2966,Domain-wide Prefix Distribution with Two-Level IS-IS.area-passwordConfigure a hash message authentication code (HMAC) password for an area.E-Series, S4810Syntax area-password [hmac-md5 | encryption-type] passwordTo delete a password, use the no area-password command.856
