Question : Keystone 24mg routing question

I have a NuWave Keystone 24mg switch I can't seem to get to route.

Created two Vlans
VID  Name     IP address      Ports
 1  Default     192.162.0.10   1-4
 2  Local Lan  10.1.0.1          5-24

The switch has a default gateway of  192.162.0.1

From the Switch I can ping 192.162.0.1 and 66.94.234.13.  

From a computer on the 10.1.0.0 subnet with an IP address of 10.1.0.100 can ping all ports on the router including 192.162.0.10 but cannot ping 192.162.0.1 or 66.94.234.13, any help would be appreciated programming this rouing switch.

Answer : Keystone 24mg routing question

Okay.  Here's what I think:

First of all, I'm assuming that you're using a subnet mask of 255.255.255.0 on all of your networks.  Go through the following list to make sure your routing is set up correctly:

1. Make sure that the default gateway for every device on the Corporate LAN is set to 10.1.0.1.
2. Make sure that the default gateway for every device on the POS 1 LAN is set to 192.168.1.1.
3. Make sure that the default gateway for every device on the POS 2 LAN is set to 192.168.255.1.
           (By the way, if your subnet mask is 255.255.255.0, the 192.168.255.0 is fine for a network ID)
4. Make sure that the default gateway for Keystone A is set to 192.162.0.1.
5. According to your comment above, you've assigned the same IP address to Port 26 on both Keystone A and Keystone B.  Assuming that this is the uplink between the two, this is a problem.  Change the IP address on Port 26 of Keystone B to 10.2.0.2.
6. Make sure that the default gateway for Keystone B is set to 10.2.0.1.

I'm pretty sure that the problem is NAT (or lack thereof).  If you're not familiar with Network Address Translation (NAT), it's the protocol that allows private non-routable addresses (such as your 10.1.0.0, 10.2.0.0, 192.168.255.0 and 192.168.1.0 networks) to be used on public networks (the Internet).  (See RFC 1918 for more details on private vs. public addressing).  Anyway, you've got to make sure that Keystone A knows that ports 1-4 are using  public addresses and that ports 5-26 are all using private addresses and that it should perform NAT accordingly.  In your original comment you said "From a computer on the 10.1.0.0 subnet with an IP address of 10.1.0.100 can ping all ports on the router including 192.162.0.10 but cannot ping 192.162.0.1 or 66.94.234.13".  If it is NAT, your PC would still be able to ping 192.162.0.10 because Keystone A knows about both networks because they are connected to it physically.  Once you get to the Adtran, however, it sees 10.1.0.100 as a non-routable address so it doesn't respond.  It will respond the same way to the 192.168 networks.

Hope that helps.

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