![]() Router Firmware Version V2.5.2.4 (Noted: Jan-2021) - It appears the targeting for steps are now fixed in this versio n.This my vary for the device that is being worked on. I noticed in Router Firmware Version V2.5.1.16 I had to add 2 to the targeted line number to remove it with the ip tables command. Router Firmware Version V2.5.1.16 (Noted: 10.2020) - It appears that more recent firmware updates have changed the targeting steps.This command will remove it ‘iptables -t filter -D loc2net 5’ The one I want to target is the 5 th in the list, yours may vary. Using the output of this command I can see where line 5 is dropping all traffic that is not (!) VLAN74. I issued the command ‘iptables -t filter -L loc2net’.Logon as root using your routers main password.Telnet into the Orbi Router (I just used putty).Choose ‘Enable Telnet’ (**reminder to disable this when done**).Enable Telnet access on your Primary Orbi Router.Solution: Adjust the Orbi to allow all VLAN traffic (USE AT YOUR OWN RISK) There I could clearly see there was firewall rule blocking hosts that were not part of VLAN 74. I found this firewall block out by logging into the CLI of my Orbi and looking at the IPTables settings. I can only guess that either the router just can’t handle the load or this was a maximum Netgear tested it to. I believe Netgear enabled this block to limit the number of devices the Orbi could NAT. I’d like for my hosts on VLAN 75 to have all the same functionally as my hosts on VLAN 74.įindings: By default, the primary Orbi router is blocking any host that is not on VLAN 74 from getting to the INET. Conversely, VLAN 74 can ping Inet hosts and get to the internet. Hosts on VLAN 75 can resolve DNS names (example: ) but it cannot ping any host on the Inet. Issue: Hosts on VLAN 75 are not able to get to the internet. The routing tables are populated correctly, and I can ping from any internal subnet to any host without issue, except when the Orbi is involved. I have enabled RIP v2 on the Orbi and on the Dell 6224 switch. VLAN 74 is used by my home devices and VLAN 75 is where I manage my ESXi hosts. ![]() In my network I have two subnets which are untagged VLANS known as VLAN 74 – 172.16.74.x/24 and VLAN 75 – 172.16.75.x/24. My Orbi Router is the Gateway of last resort and it supplies DHCP and DNS services. To understand the problem we need to first understand the network layout. In this blog I’ll show you the steps I took to over come this feature limitation but like all content on my blog this is for my reference. I’ve had it up for a while now and its been working out great – that is until I decided to ask it to route more than one subnet. It creates a Wifi mesh that allows devices to go from room to room or building to building seamlessly. The Orbi Mesh has a primary device and allows for satellites to be connected to it. My previous Netgear Wifi router worked quite well but I really needed something to support multiple locations seamlessly. Last April 2019 I decided to update my home network with the Orbi WiFi System (RBK50) AC3000 by Netgear. If you find an Orbi solution, please post a comment and I’ll be glad to update this blog. However, I solved this issue by using an additional firewall using NAT between VLAN74 and VLAN 75. I looked for other Orib solutions but didn’t find any. This means the steps below will not work unless you are a earlier router firmware version. **2021-NOV Update** With the release of Orbi Router Firmware Version V2.7.3.22 the telnet option is no longer available in the debug menu. FIX for Netgear Orbi Router / Firewall blocks additional subnets
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