Sorry if this is a bit too unrelated.. Hoping it is related enough.
I want to attach a second router to my ISP's (comcast) Modem/router (An
Arris Mod: TG862G/GT).
It has four ports. I want to hook a second router into one of those
client ports and create a different subnet.
That last referenced router is a TP-link WR1043 that I installed
openwrt on quite some time ago. But then let it set for mnths and
mnths.
I'm pretty green with Openwrt, plus have not run it for many months.
So, cutting to the chase. The router is set up now and is routing for
a wireless subnet in my downstairs rooms.
At present on the lower subnet (diagrammed below) hosts can `see'
there own subnet plus any hosts on the upper subnet.
However hosts on the upper subnet cannot `see' hosts on the lower
subnet.
------- ------- ---=--- ------- -------
The ISP modem/router lan interface: 10.0.0.1 - wan interface xxx.xxx.xxx.xxx
The TP-link lan interface: 192.168.2.1 - wan interface 10.0.0.6
(Rough Diagram):
internet
|
X IP xxx.xxx.xxx.xxx
Comcast modem/router
| X | lan 10.0.0.1 (upper subnet)
| h1 | | h2
|
X wan 10.0.0.6
Openwrt router
X X lan 192.168.2.1 (Lower subnet)
| |
| h3 | h4
I can connect to the owrt config gui from the `lower' subnet but,
I'm unable to get to owrt gui from `upper' subnet
(outer facing) interface.
Is this a case that needs port forwarding? or what?
I'd like to be able to get to the gui config if possible from upper
subnet.
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