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Simple Small Biz Router Setup - Cisco RV320 and D-Link's DAP-2310

Posted on 2016-10-11
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Last Modified: 2016-11-01
Hi All,
 Aim here is a pretty standard setup but currently it doesn't provide internet access.

 I recently got a Cisco RV320 which looks like a nice router to load balance two of our ADSL lines and potentially add on a backup 3/4G failover at some point.

The setup I am trying should be pretty simple, the two existing DSL routers connect to RV320 on the WAN/WAN-DMZ ports and the setup wizard  is run.. but then there is no Internet access when going through the router, even though it is fine when going through either of the routers indivually.

This doesn't make much sense to me, as it seems quite a simple setup.

I also have one other wired connection and a wireless access point. One concern was that the wireless access point may be taking over (i.e. DHCP) but that it just set in access point mode so hopefully that is fine too.

Apologies for the basic question. I've followed the guide and can get to the admin interface fine but not get online which seem confusing.

Any tips/guidance appreciated.
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Question by:Martink149
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by:masnrock
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Is the firmware up to date?

Are your DSL connections providing DHCP or static IPs? How do you have the DSL routers configured? If you do not have them configured for passthrough, then you're going to have issues (double NAT if DHCP connections, routing issues if connections provide static IPs).
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by:Martink149
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Hi, yes, I updated the firmware. It was a 2014 edition out of the box, so it has the current one now.

The DSL routers are both standard BT routers, they both have their own wireless network and are offering DHCP for both.

Think your correct that DHCP may be the issue. But with the new load balacing router, assume it would always need to contend with that? That it effectively has two IP addresses externally. They are both issuing IPs in the same subnet which I assume is one thing I need to change? Will check they are set to allow passthrough on the DSL routers.  Thank you.
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So it sounds like you could take one of two approaches:
1) Change the subnet used by one of the DSL routers (so for example, make sure they're not both doing 192.168.1.x). However, bear in mind that your firewall will be getting a local IP on each WAN port. Would probably mostly work, but be a nightmare (partly because of double NAT), especially when if have to open ports (you'd have to do it on the routers AND firewall).
2) Configure the DSL routers as passthroughs (or bridges). This will allow the public IP addresses to get assigned to the firewall instead of to the router. Downside is that you would then need to get another AP in order to be able to offer wireless in the office. Upside is that your WAN setup would be simpler and make far more sense.

I highly recommend option 2.

Here are some BT instructions for doing option 2 for a Business Hub: http://btbusiness.custhelp.com/app/answers/detail/a_id/35226/~/how-do-i-enable-bridge-mode-on-my-bt-business-hub-5/c/5098/
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by:masnrock
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Solution provided, even though question was abandoned.
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