On 14 Jun 2016, at 10:43, DICK, L. (MR.) wrote:
Morning
DHCHp6 Server only recognises the subnet declaration of same network
with
the Ethernet Interface of the server. How do I make DHCP6 to issue
Ipv6
addresses of other VLANS or subnets as well? Please assist me. Thank
you
take it back a step; you have some infrastructure for your network
(running ipv4) now, right?
how do you solve your current dhcp issues for ipv4?
as stephen and john said, either your dhcp server needs to be connected
to each network subnet (which is potentially wasteful, and unnecessarily
complex), or you need to configure a dhcp relay agent on the network
(router) devices in the middle, so that they know where to send dhcp
requests to.
consider:
N1_____R1___
|
N2_____R2___|
|____R4____S
N3_____R3___|
so, take the simple picture above; you have three networks (N1-3) and a
dhcp server (S) somewhere on your network, separated by some routing
devices (R). server S is not on the same logical subnet (ie. not in
networks 1-3). on the intermediate routers (R1-3) you’d have to
configure a dhcp-relay agent, pointing to S, for the interfaces that
connect to N1-3.
your favourite search engine will help you find the specific commands
for your hardware, if you search for “dhcp relay agent”.
incidentally, you’d have to do the same thing in IPv4 as well. so
this is not a dhcp6 specific issue.
—n.
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