Server Config (IPv6 Prefix) Bug or User Error?

Discussion in 'Installation/Configuration' started by Outbreaker, Feb 19, 2026 at 7:45 AM.

  1. Outbreaker

    Outbreaker Member

    Hi,
    The option says I should add an "IPv6 Prefix" but if I add "220a:2dc0:c1:5295::/64" then it say wrong IPv6 Prefix. But adding "220a:2dc0:c1:5295::" works, but I have the feeling that adding without "/64" this is incorrect or? o_O
     
    Outbreaker, Feb 19, 2026 at 7:45 AM
    #1
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    You must add it without /64. It's a prefix, so it gets added without a subnet mask.
     
    till, Feb 19, 2026 at 8:11 AM
    #2

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