dhcp

Hello, we have 6 nodes at work on a LAN that's
routered to a cable router/modem to WAN. The
linksys router has 5 ports and one uplink and one
data port of which goes to the cable modem/router
provided by Brighthouse Road Runner which it
has 4 ports. In other words we have a router and
then we also have an ISP provided cable modem/router
with 4 ports. We run the 5th and 6th nodes by
running an uplink cable from the uplink on the
linksys router to port 1 on the cable modem/router.
We leave the 5th port on the linksys empty since
we are using the uplink.
Here's the problem. We can all see each other
including the problem node. We can all get online to
the internet with the exception of the one problem node.
Not a rotating node problem as we reboot etc. but rather
the same node always can see the rest of the Lan but "no"
online internet or email. So I checked the problem node's
settings. They are the same "except" that his tcp settings have
dhcp off, and it has the alternate address hard coded
as 192.168.1.225. The rest of us by the way upon
pinging all have ip addresses in the 101 thru 105 range.
So I set the problem node to dhcp and took off the
alternate hard code. Rebooted and then he cannot
see us (or get online) nor can we see him. Does
anybody have any clues as to what is going on?


.

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