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5Down1Up's avatar
5Down1Up
Aspirant
Aug 03, 2016
Solved

R7000 Static routing not able to reach internet

Hello,

I have a delima where the PCs on a different subnet cannot access the internet through the R7000.

Before we get into this, I want to note that I've tested this and verified working with 3 different routers:
-Link E3000 /w Tomato (yes, old wireless router)
-Sophos UTM 9
-pFsense 2.3.2

 

For some reason, it's just not working on the R7000.

The reason why I want to use the R7000 is because I have recently signed up for a gigabit plan, and the R7000 can provide the 'near' gigabit speed.


setup:

HP 1910 Layer 2 'smart' switch with static routing
4 Vlans on the switch:
10.3.2.0/24 Gate: 10.3.2.254
10.3.3.0/24 Gate: 10.3.3.254
10.3.6.0/24 Gate: 10.3.6.254
10.3.8.0/24 Gate: 10.3.8.254

R7000 LAN IP 10.3.2.1

3 static routes on the R7000:

10.3.3.0/24 Gate: 10.3.2.254
10.3.6.0/24 Gate: 10.3.2.254
10.3.8.0/24 Gate: 10.3.2.254

1 static route on the switch 0.0.0.0 0.0.0.0 10.3.2.1


ISP modem in bridged mode > R7000 with static routes to the 3 subnets, and 1 static route from the switch to the router.


The switch creates the vlan interfaces and communication between the vlans are good. With the setup that I've tried using Tomato / Sophos UTM 9 and pFsense, I'm able to reach the internet. With a similar setup with the R7000, I cannot reach the internet.

When using the R7000 as the router with the above static routes created, I'm able to ping the router IP, but not able to access the router setup page.

I'm also able to trace to the router with 2 hops from a workstation on 10.3.6.0 subnet.

 

If I flash the R7000 with TomatoARM, everything works.  I don't want to do this because Tomato drops speed to around 200mbps.

 


Any assistance is appreciated.

 

Thanks.

  • The problem is that the R7000 will only NAT its own subnet.  It won't NAT traffic from other subnets.  A Netgear engineer confirmed this with me some time ago.

     

    Give Asuswrt-Merlin a shot.  Unlike some other 3rd party firmware, it supports hardware acceleration.  Hopefully, it also supports NAT for other subnets with hardware acceleration.

2 Replies

  • The problem is that the R7000 will only NAT its own subnet.  It won't NAT traffic from other subnets.  A Netgear engineer confirmed this with me some time ago.

     

    Give Asuswrt-Merlin a shot.  Unlike some other 3rd party firmware, it supports hardware acceleration.  Hopefully, it also supports NAT for other subnets with hardware acceleration.