42Predefined user rolesnetwork-adminParametersacl-number: Specifies an IPv6 ACL by its number. The following are the value ranges:• Basic ACL—2000 to 2999. The ipv6 option is required.• Advanced ACL—3000 to 3999. The ipv6 option is required.• Ethernet frame header ACL—4000 to 4999. Do not specify the ipv6 option.Usage guidelinesThis command is not supported in FIPS mode.If the ACL does not exist or does not have a rule, all users are permitted to Telnet to the device.When the ACL exists and has rules, only users permitted by the ACL can Telnet to the device.This command is not effective for existing Telnet connections.If you execute this command multiple times, the most recent configuration takes effect.For more information about ACL, see ACL and QoS Configuration Guide.Examples# Permit only the user at 2000::1 to Telnet to the device. system-view[Sysname] acl ipv6 number 2001[Sysname-acl6-basic-2001] rule permit source 2000::1 128[Sysname-acl6-basic-2001] quit[Sysname] telnet server ipv6 acl ipv6 2001telnet server ipv6 dscpUse telnet server ipv6 dscp to set the DSCP value for IPv6 to use for outgoing Telnet packets on aTelnet server.Use undo telnet server ipv6 dscp to restore the default.Syntaxtelnet server ipv6 dscp dscp-valueundo telnet server ipv6 dscpDefaultIPv6 uses the DSCP value 48 for outgoing Telnet packets on a Telnet server.ViewsSystem viewPredefined user rolesnetwork-adminParametersdscp-value: Specifies a DSCP value in the range of 0 to 63.Usage guidelinesThis command is not supported in FIPS mode.
