Red Lion G3 - Aux Eth port - Routing Table

[killer]

Ok folks. I need some "routing table for dummies" help.

I have one of the newer Red Lion G310C230 display units, with two Ethernet ports. I'm using Ethernet-1 (192.168.0.3) for the LAN on my PLC system, and Ethernet-2 as the connection to the rest of the world. Everything on the LAN connected to Ethernet-1 is static IP addresses. The Ethernet-2 port is set up from the HMI screens as user configurable. [This could be static or could be DHCP]

What I'd like to do is provide access to my PLC processor in this case a 1769-L35E (on 192.168.0.2), from the Ethernet-2 connection. I'm stumped as to what I'm meant to type into the routing table. I've tried a few combinations, but I'm not having any luck. I want to access the L35E using RSLogix, and pass through the Ethernet-2 port, through the G3 and out to Ethernet-1 to reach the L35E.

I do not have a switch in the LAN network, only on the "rest of the world" WAN side. I can't put the L35E on the network with the rest of the world, because I have multiples, which must have the same program and configuration.

Can this even be done with the equipment I have?

 

[MikeGranby]

You don't need to use the routing table. Just enable IP routing, and make sure that the next hop on the E2 side knows that 192.168.0.0/24 is accessed via the G3 as a gateway.

 

[killer]

Thanks, Mike. That was easy on the RLC side.

Now, the question becomes an RSLinx problem. How to make RSLinx make that hop across the G3 ?

 

[MikeGranby]

Assuming you're running it on a PC that is directly connected to Ethernet 2, just type "add route 192.168.0.2 mask 255.255.255.0 x.x.x.x" where x.x.x.x is the address of Ethernet 2.

 

[killer]

Thanks for pointing me in the right direction.

I think its...

route add destination mask gateway

I'm not sure if the use of "private" ip addresses 192.168.x.x and 10.x.x.x is affecting it, but its still not working. The Dos command line is giving some error on the mask.

I'm still working at it, just got dragged off on some other tangent at the moment.

 

[killer]

Alright I'm back on this.

Here's a recap of the situation:
1769-L35E statically assigned 192.168.0.1
G310C230 Ethernet 1 statically assigned 192.168.0.2
(these connected together and talking)

G310C230 Ethernet 2 DCHP assigned... comes out to be 10.108.124.6
(with the appropriate gateway)(Routing Enabled on G310)

If I enter the dos command on my PC

route add 192.168.0.2 mask 255.255.255.0 10.108.124.6

From my PC, I can then ping 192.168.0.2 and 10.108.124.6

I continue to add the routing table

route add 192.168.0.1 mask 255.255.255.0 10.108.124.6

I cannot ping 192.168.0.1

Which tells me that the G310 is not routing to the 1769-L35E. Is my thinking correct?
Is there something else that must be done?

 

[JeremyH]

Killer,

What you will need to know is the IP address required to reach the local side 10.108.124.6 router. You can either set this as the default gateway, or if you already have a default gateway you can configure a route in the routing table.

Thanks
Jeremy

 

[killer]

So what you're saying, Jeremy, is that I can list the IP address of the G3's Ethernet 2 port as the Gateway of Ethernet 1?

I'm not sure that's what you are saying, because that doesn't seem to help.

I've even tried entering the routing table in the G3:
192.168.0.1 255.255.255.0 10.108.124.6

 

[killer]

My bad... *dope slap*

The 1769-L35E needs to have its gateway set as the LAN port on the G3

It does work!