matching on giaddr field
Simon Hobson
dhcp1 at thehobsons.co.uk
Thu Jul 24 07:02:57 UTC 2008
li jun wrote:
>Our experience is here
>
>It's no need to add card,just split your network into several VLAN,For
>example:VLAN1,VLAN2,VLAN3
>on the DHCP server ,we can do like this:
>
>shared-network vlan1{
> subnet [subnet addr] netmask [mask] {
> #some options here
>
> range [range start ip] [range end ip];
> }
>}
>
>shared-network vlan2{
> subnet [subnet addr] netmask [mask] {
> #some options here
>
> range [range start ip] [range end ip];
> }
>}
>...
Firstly, in the example you've given the shared-subnet clauses are
not needed (and a source of confusion for anyone reading this that
doesn't understand them fully.
But whilst you are correct, this isn't the best method for the OP who
already has a routed setup with routers supporting DHCP Relay Agent
function.
BTW, for the OP :
When you turn on the relay agent (using the "IP helper ..."
function), it turns on a whole lot more. There is a list of about
half a dozen 'helpful' things you probably want to explicitly turn
off - I can't remember what they are, but it has been in the archives
a few times (try searching for "ip helper address").
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