I'm trying to configure a DHCPv6 server to provide more than one NTP address (option 56) using the isc-dhcpd server. Is there a currently supported way of doing this?
My first attempt was defining a custom option 56 in the configuration to be an array of ip addresses, however, I found that isc-dhclient that I use on the client side picks up only the first address, but then again, according to RFC 5908 the option must contain only one time source.
The RFC does, however, say that "This option can appear multiple times in a DHCPv6 message. Each instance of this option is to be considered by the NTP client or SNTP client as a server to include in its configuration." Following this, I tried to include my custom option 56 two times in the config file, but this time dhcpd sent only one of the options in the packet.
So that's what I want to know, is there currently a supported way to provide multiple NTP sources with isc-dhcpd and isc-dhclient for DHCPv6?
Thanks in advance!