If the netmask is set to 255.255.255.0, as is common, then you can only
change the last digit... to put it simply.
It would be pretty safe to assume the primary's netmask is indeed that, so
you'd do well to stay within the 192.168.1.* subnet,
at least between the bridge and the primary -- you could define your own
subnet and do dhcp for it on your secondary, bridge, device (at least on the
wired ports, I know).

And in case we still have other readers on this thread:  I found that dd-wrt
will work with vlans, and let you filter them, but the wlan is locked into a
single vlan from what I can tell.  I'm curious, but haven't tested trying to
see if a varying (say, rogue or just random) vlan tags get over-written by
dd-wrt or hardware when they route through the lan...  anyone tried that?

Thanks,

Ben


On Sat, Feb 14, 2009 at 5:32 PM, dooger watts <[email protected]> wrote:

> If there's a handbook of "basic networking" I'd love to read it.  Every
> source on network principles I've tried so far quickly loses me and itself
> in geek speak--which I'm sure reads like esperanto to the initiated .  Am
> still on the hunt for a basic set of instructions--and meanwhile have
> learned more from gurus like yourself who are willing to offer advice than
> from anything I've managed to glean from the literature.
> (Setup so far is based on a literal following of the instruction primers in
> the dd-wrt wiki).
>
> Thanx Ben--and especially for the tip on the proper numbering of the IP
> address.  Someone else suggested the 192.168.5-something and I didn't know
> enough to realize this departs from the rule.
> m
>
> Ben Barrett wrote:
>
>> Yeah, you might want to read up on some basic networking too :)  It could
>> certainly be tied to the dhcp lease, but those expiration times are a useful
>> thing, and the dhcp will auto-renew without any intervention under "normal"
>> conditions.
>>
>> Good luck & rtfm :)
>>
>>
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