Unifi ap not getting dhcp. Now my problem is pretty weird.

Unifi ap not getting dhcp 254 If the UniFi AP is set up with multiple, non-bridged interfaces, make sure that the IP addresses assigned to the ports not connected to the hEX network do not have overlapping subnets. If I set a static IP the laptop easily connects to the network and Internet. I have that VLAN going to the Unifi AP. * Finally, we connected a laptop to the switch port with the same untagged vlan 32 configuration to see if it The native VLAN difference is a big difference. Clients unable to acquire IP Address via DHCP on VLANS I have a small office where everyone connects wirelessly. Each of the remote sites connects to the main site via a direct ethernet connection (EPL) setup by our ISP. Though with the switch DHCP relay works for other devices connected. Then few power outages occurred, nothing critical, Having an problems passing dhcp traffic between Unifi APs and 1121-4p router. My backup Firewall which I made HA did not work out. Now about 80% of computers can and do connect to the wireless network without issue, about 20% connect and are authenticated but do not receive an IP, instead they get an APIPA I've focused on one particular raspberry pi for this diagnosis. For some reason the AP’s would not pick up an IP from our DCHP The UniFi isn’t “giving” out 169. Site 2 LAN's DHCP mode is set to DHCP Relay which points to the Windows 2016 server at Site 1. It appears to primarily be impacting our iPhones - one XS (iOS 14), one XS Max (iOS 15). There’s apparently a bug in the latest Some buildings had access, others did not, but everything pointed back to switches and clients not getting DHCP. I can get DHCP through my Default LAN with no problem. First time posting here. 3. It’s a fairly simple network with the wired LAN, Trusted WiFi and Guest WiFi. You can get Ubiquiti support in couple ways depending where you live, but they primarily use the community or email support Ubiquiti UniFi gives a specific client a link-local address (169. 199 and 192. I’m running Unifi Controller on Cloud Key V2. Open Unifi Controller on your laptop or desktop and log in. Then, if all your unifi devices are set to get an ip by dhcp, you can set manage then (mark as static) on Dhcp server ( udmp). 20 IP address (default for failover), and when restarted, they try a few times, then Unifi AP switch port default settings will work (untagged/native vlan 1 and allow all others tagged) Create SSID ‘LEFT’ for left network and select the VLAN10 network unifi ap-ac-pro - clients not getting DHCP. I can’t see this being an issue with I have a fully Unifi brand network using Dream Machine, USW-24-PoE switches, and UAP-AC-M access points. I went to DHCP Server is Windows Server 2008 R2, no errors logged in the event log from the DHCP-Server. log on each of the AP, the pi, and the MacBook. LAN for Users - works fine. Wi-Fi clients joining the same VLAN from Cisco AP devices do not have the same issue. * We took a look at the DHCP server logs, we found that this AP was sending the DHCP discover packet and server is giving DHCP offer packet to the AP. 20?. Am I missing something obvious — like a whole DHCP lease management tab somewhere?! Archived post. 2 is in the dhcp range, you can assign and reserve this ip to your switch. I tried statically assigning IP info on my wireless NIC and it won’t communicate that way either (so I’m not sure that it’s solely a DHCP issue). x When I switch the SSID to use VLAN30. These are the pre-defined DHCP options available in the UniFi Network application: UniFi Network application - Option 43; NTP Server - Option 42 Taking the unifi AP controllers out of the equation i. If you use an external dhcp-server (such as pihole) then you will have to deploy one server per vlan. Right now this is setup but it is unable to get a IP at all. Checking firmware version, inform url and more. What I cannot do is get DHCP through any of I eventually restarted my UDMP (UniFi OS 1. Chrome discover can’t find AP Hello everyone and thank you for taking the time to read this. Hi,Over the summer we installed 130 AP’s with an on prem controller running on a linux VM with 10 virtual processors and 8GB RAM assigned to the VMwe are currently experiencing lots of devices not being assigned an IP address 169. You could also check to see what The only issue with trying to run a VLAN out of a different port on the SonicWall is that the client has only one Unifi AP that has to broadcast all 3 SSIDs. 1: Switch & AP Factory Resets Not Working. You Ensure that your UniFi Console is set up and running Protect. The Everything works fine (although I'm not seeing as much improvement as I'd hoped for), except my 5 Ecobee thermostats get stuck in the DHCP process with 169. D 3 Replies Last reply Reply Quote 0. Weird issue that I’m unable to wrap my head around. Currently everything is more or less stock. WIFI VLAN 10 GUEST VLAN20. Ask a related question. Hi there can you tell me if I can install unifi os on vmware workstation at all. - Checking the DHCP leases shows no IP for that MAC address. To assign a Network/VLAN to a UniFi AP’s WiFi, read our article on Creating WiFi and Broadcasting VLANs. anything else is simply listed as a nearby AP under insights. We have our SonicWall DHCP handing out addresses for VLANs and I have always been able to Hello, So I’ve had a set up with 5 Unifi APs working for some time now, and randomly two of them stopped working. When I login to the Meraki cloud, I can see the MX giving the UniFi a dhcp, but I can't ping it from the Meraki dashboard either. So our businesses have had intermittent connectivity issues ranging from short down times to multiple hour long down times for a while now. Hi, I'm facing an issue with Wifi and DHCP. I have port 0 in bridge mode with untagged vlan 1. If it is you will need to exclude the MAC addresses of your DHCP servers to If the UniFi AP is set up with multiple, non-bridged interfaces, make sure that the IP addresses assigned to the ports not connected to the hEX network do not have overlapping subnets. A majority of the clients did receive a new IP Address just © 2025 Ubiquiti, Inc. I plug my laptop into the same Hello everyone, I am currently stuck in configuring DHCP for the Unifi based wireless network that I have at our school. I’m just guessing now, and spinning my wheels To be clear, what I mean by “no DHCP” is, plugging in my PC to the switch port provides no IP address, and the device is not seen by pfSense’s “DHCP Leases”, nor by UniFi’s “Clients” sections. I was able to set up the device with no issue, but my devices that connect to the access point are unable to obtain an IP address. unifi ap-ac-pro - clients not getting DHCP. WPA-Personal, no Vlan involved, it finds the DHCP server, adopts fine, I can SSH to it, everything except actually broadcasting the network. This can happen a few times a week and then skip a month or two. If I fall back to the AC-Lite, they work fine with no changes. 1: 06-18-2021 by jcohen@venterraliving. Under DHCP Server, define the start and end IP range. Unifi defines Rouge as an detecting an AP not under the control of the controller broadcasting an SSID that matches an SSID defined in the Unifi controller. Other devices on the same AP and VLAN are doing just fine with DHCP, which is served from an ER-X. New comments cannot be posted and votes cannot be cast. The AP itself is not getting dhcp. 130) for DNS which has an AD/DNS server set as the upstream for the PiHole. 0 running Network v6. My conclusion is that it’s not the access point but my Configure your network’s subnet, VLAN ID, and DHCP settings on your third-party gateway. I had this problem with everything and then it was working but Android devices are still not getting past the Gateway. Ask Question Asked 4 years ago. When I plug my laptop into port 1 of the switch, I do not receive an IP address. I tried to reset all APs and UCK to factory default and configured them from the scratch with no success. Adding Unifi AP to pfSense VLAN networks - IP stuck at I have a Pitney Bowes wireless bridge and I’m having trouble getting DHCP working behind Setup T30 - 12. Click on the access points list and on the UBIQUITI UniFi AP-AC-Lite. Often get hey my device not getting DHCP ticketsmostly iOS, lights are on but no one home. 169 address. I can get an IP address in my VLAN’s wireless network from an AP connected directly to the Dream Machine (router), but no other APs connected on my Unifi switches seem In the UniFi settings > Wireless Networks > Advanced options - Check and see if the Block LAN to WAN Multicast and Broadcast data is checked. Thanks again. Trouble is though, there’s actually just the one network (in UniFi, “default”) and both SSIDs point to that network. DHCP is setup properly with available IPs in the pool. 26. Really appreciate it. 200 to 10. Tons of clients couldn't connect to the network they wouldn't get DHCP. It’s a shame that after 2 months Ubiquiti hasn’t pulled the firmware or released a fix. 254) with DHCP snooping turned off. Here is what I tried: Replugged the cable to the POE injector Replugged the cable to the AP Tried another switch port - no link light, so dead AP? I may swap in another AP which is working, but I think if I could reset the AP all may be well. For the last year we have been noticing trouble with DHCP replies not getting to devices at 45+ day uptimes (the issue started early 2020). I work at a school that is replacing some old cisco AP’s to Ubiquiti Unifi AP’s. The Corporate SSID is running in the Default VLan receiving DHCP via Win-Srv We have Unifi AP setup for the office. We have a UniFi AP in our building and some devices (mostly Smartphones) are being assigned IP addresses that are not in my DHCP ranges from my DHCP server. The APs rec Hello, I am experiencing an intermittent and hard to diagnose issue where client devices will not get an IP address whilst using the WiFi. The moment I go upstairs to the third floor, my phone connects to the other AP (Unifi AP-AC-Mesh) and all is good. But today I am configured a USW-24 which I have configured many times with no problems. 254 Address. 75 to 192. I'm not sure the switch where the AP is plugged into would know how to handle two VLANs from the same Sonicwall on two ports. Posted 11 days ago Last Activity 11 days ago. 07. All core switches (a mix of older US-24-250W & newer USW-24-PoE) have a . But then again, we have to manually reboot 1 or two APs per day. Networking. I was at an event where I wanted to set up a private network with wireless uplink to the facility wireless internet using a OpenWRT on a Netgear WNDR3800 in wifi client mode. I tried different models of chromebooks but still same issue. Today, this setting can be found on the UniFi Controller (Cloud Key): Go to Cloud Key > Network > Settings (Gear wheel icon, bottom I set up a Fortilink VLAN "Test" using a 192. I have create the interfaces and set the DHCP for them. 0) running on a server (not a DC) and the APs have been adopted, they’re getting IP addresses (from DHCP) and everything looks fine. We have an all UniFi environment with a mix of NanoHD’s and UniFi POE switches (24-48pt). the AP is connected onto the network, an is reachable from the controller wifi network is configured an clients seem to be able to connect to it, but are not getting an IP (from dhcp Advice - Small Biz Switching to InstantOn from Ubiquiti Unifi. I then disabled the DHCP server on the NetGate and added it to the Unifi's AP directly (or controller really) and still can't get an IP address so that's a fully internal UniFi issue it seems, maybe the AP-Lite is the issue. All the devices at Site 1 work fine; getting IP assigned by the Hey guys, I have a few clients that are refusing to grab an IP address. 3: 231: December 14, 2018 Intermittent WiFi issues throughout building. I’ve seen this happen with UniFi devices connected to a failing network This is ODD Just had the Wireless Accesss Point on line with a steady green light and giving out DHCP addresses on both VLANS. This cm4 raspberry pi is used in a lab environment for testing using a fresh install of openwrt 21. Not to mention that you cannot change IP address of the UDM Pro after importing backup from USG and CK. I recently purchased 8 of these for our network. I´m trying the separate Corporate and Guest Wlan based on Unifi APs. I do have DHCP Guarding set in the Unifi [software] controller with the designated DHCP server address set for each VLAN - I don't know if it's necessary or not. I tried everything not to recreate everything from scratch, but that will be the only way. Hello everyone, I have a Unifi U6 Lite AP with 2 SSIDs, One SSID is my Lan and another is VLAN 20. 24 Unifi AP firmware. I have a EdgeSwitch 48 downstream of the USG, and 3 more UniFi 8 port PoE switches connected to the EdgeSwitch. (Unifi switch/AP) upvote I have 1 SSID with WPA2 password: find the network in my device, connect ok, but no DHCP IP address and no internet The router is a little Ubiquiti Edgerouter X connected to the POE switch (a Zyxel GS1008HP, unfortunately not manageable in Nebula), but hands out DHCP addresses to all AP (and also to my laptop, if I cable connect to the switch). 54). If no, your SSID is not connecting to our VLAN correctly somewhere. The PVID is 4. addresses – the devices are assigning the addresses to themselves because they can’t contact the DHCP server. I can ping the gateway but not past it. 0 network to the WAN (placed in top position): I have a Unifi AP connected but have also tried a I’ve had an issue with dhcp on some of my wireless ssid clients not getting an IP address if I was doing maintenance and I unplugged power or network to my router and it wouldn’t give out ips unless I powered cycled the port to my AP This impacted users with non-UniFi DHCP servers which use broadcast for DHCP, along with IoT devices Switches not getting IP address from UDP Pro (DHCP) This has happened a couple of times now, Unifi support, after nearly 3hrs of tortuous chat support this morning, have not been helpful. Except when a laptop connects to one of them it won’t get an IP. Downgrade to . You won’t see it in the Unifi software as that’s only controlling a layer 2 AP Hello Team! I just encountered an issue after installing latest update for Unifi Controller. I guess if we want to stick to Unifi, we have to consider handing our DHCP server to Unifi too. Following on from All DHCP request are blocked from port 68 -> 67 discussion by Dom Nik not surprisingly, things have changed in the last four years one has to "Block LAN to WLAN Multicast and Broadcast Data". We have 4 networks on DHCP Guarding only works on UniFi switches that are adopted to the controller, but not on the UDM switch ports themselves. x addresses mean your system timed-out getting a DHCP address so Windows gives it a default IP in that range. If not, the server responds to the DHCPRequest with a NACK packet. discussion, wireless. 2, if 10. Site 1 has an on-premise Windows 2016 server that is working as a DHCP server. The guest vlan is 50 and the management Even port forwarding is not working. e. We can see on the control panel that the clients are getting DHCP timeout. 24). Everything else is pretty generic. . Almost as if its not hitting the DHCP server Reply reply Good evening all. png} Ask our UniFi GPT. All devices are statically assigned IP addresses. wireless, question. ). Default options are already used by most devices on the network today. UniFi provides a system log to notify you if this ever occurs so that you can promptly address it. The UniFi controller shows blank in the assigned IP, but definitely shows associated to the AP. The issue is none of my VLANs are passing DHCP. The AP gets the IP, but the connected clients cannot. I tested other devices connected to the AC-AP-Pro, they have IP addresses assigned and have internet connectivity. Attempted solutions: -factory resets all around -complete uninstall of the AP controller and re-running the wizard -shutdown all devices, turn on in various orders -change DHCP subnet on router You are not using the router’s built in DHCP server; There is a UniFi AP (or other UniFi device) on a separate subnet from the UniFi Controller Getting your UniFi devices working with a controller on another network can Meraki hands out DHCP. One UniFi controller controls all I am still learning the Unifi setup on these and trying to figure out how to do guest wifi where they can get a IP from our LAN subnet but not be able to really access any of those resources. assuming they don't attempt to give out dhcp addresses, the in OPN, on Services > DHCPv4 > {VLAN name} > At the top select "Enable DHCP server on the {VLAN name} interface". Our APs are UniFi AC Pro. To configure switch ports with VLAN restrictions, Devices connected to that AP get often have worse wifi experience, with the unifi controller reporting 70-80% experience and fast. I reverted the CloudKey firmware and software back to the previous major version from May, along with the switch and AP firmware last night. Choose the network you want to modify. However, in this school we are running into issues. Thinking this would be a breeze I traveled to one of our remote offices to install 3 more, and ran into immediate problems. 254IP address. So, unless I add a UniFi switch to the UDM and have all clients connecting only through the Unifi switch, the DHCP Guarding setting isn't going to do anything. The Right, Sorry. XX subnet. Thanks for your help! BR. X. T-10 Fireware 12. 28 has been stable with the one's I have in the field. Strange issue with managed chromebooks and unifi APsI cannot connect my chromebooks to my unifi APs at my school. DHCP lease time is 30 minutes. 4. ; Ensure the UniFi device is powered on, as indicated by an illuminated LED light. Every other device (and IoT device) is getting an IP address. Open comment sort options The worst you'd have to do is ssh into the ap's with the last set unifi credentials and issue a set-inform command. After rebooting the AP’s, it seems to work fine for a time and then kicks out again after a couple of hours. Navigate to UniFi Network > Settings > Internet > DNS Server and enter the new DNS Server. For my guest wireless i want DHCP to come from the sonicwall, and have configured it to handout 192. Learn how to Use DHCP in UniFi AP-AC-Lite router. Hello Everyone! Getting a very frustrating issue. After starting my router wifi clients are not getting an IP address via DHCP. Since my UniFi nanoHD AP can host up to four SSID’s, my next step will be to define another VLAN and SSID for IoT The current version of the Unifi AP firmware has known DHCP bugs. The two main causes for this issue are: Statically setting IP addresses on the device(s); A Rogue DHCP server on the network; Static IP Addresses Finally gave up and went with a Unifi AP. 2-. 255. We have two DHCP ranges on our DHCP server, 192. I haven't figured out it isn't getting it as both the guest WIFI and employee wifi network is set to default LAN and. Two UAP-AP-PRO units, controller software (v 6. 1 and /24 for subnet) Under Advanced, flip it to manual Define the vlan (lets say 20) On down to DHCP it says DHCP Server for mode? and then you have a dhcp range defined lets say 192. I also saw the same behavior with a TP-Link RE350K v1; both routers have 19. After resetting i was getting the 192. The employee WIFI gets DHCP from the DHCP server running from our sonicwall and is fine. 3: See if you can ping the . So far v. If I manually try to connect it to another SSID I get “DHCP lookup failed”. 3 with factory settings except for disabling Masquerading and accepting all all traffic WAN>>LAN. If so, it may be that the response Not familiar with Unifi APs but it seems to me that your missing trunk between switch and AP. Rebooting AP's got it working till the next morning. I had the pi and my MacBook connected to the same AP. When connect a laptop to the same trunk port the laptop gets a VLAN 4 dhcp. v4 address, and sometimes with an v6 address even though IPv6 should be disabled). Harry A duplicate IP address or an IP address outside of your subnet range can cause disruptions in network connectivity. After roughly 5 days, I need to reboot the access points in order to recover from clients not getting a DHCP address / renewal from my DHCP server. So the AP should be getting a VLAN 4 dhcp but its not. 20. Reverting to the previous firmware fixed it for us but the 4. Currently, the network consists of 2 Unifi Switches connected to a Comcast Modem with 16 UniFi APs and one Cloud Key connected to the UniFi Switches. However, getting the controller to be able to see the APs without them being assigned an IP configuration by DHCP The "best" workaround we have so far, that alleviates the number of clients not getting IPs, it's a script that reboots all APs overnight. The quick and dirty fix is to power cycle the AP. 6-254 Unifi access points with the network page showing Gateway/Subnet field as 192. 20 and that will most likely fix your problem. Hello, I have a strange issue with a Sonicwall. The latest firmware seems to have calmed this down. APs itself have IPs through DHCP, but for the clients I have DHCP I’ve tried both the “DHCP Server” and “DHCP Relay” options as well. All devices (UniFi layer 2) support VLANs, in fact if I connect a device to the AP port, it gets the IP, then DHCP is working. 7: 153: January 23, 2020 VLAN Tagging with Unifi APs, Cisco SG300s and SonicWall NSA250M My newly created DHCP server on the firewall for the new VLAN: The new firewall rule to allow traffic from the 192. If you’re getting the correct result on your PC, why not change it on the port the AP is connected to? You will see your DHCP relay setting on your layer3 device (router). 5-254. 3 48. However, the client trying to obtain an address shows up as associated on LUCI's wifi settings page (sumtimes with a ? as IP address, sometimes with a 169. B592447 No Log Server or Dimensions running at this site. Both a employee WIFI and a Guest WIFI SSID. Install unifi os on vmware workstation. I’ve tried manually resetting them, as I can’t SSH in, but haven’t had any luck. 254; Save; Repeat for ORANGE adjusting the range appropriate for that subnet: Configure Firewall Rules in pfSense. But the managed switch isn't getting an IP either. Some users are not getting IP addresses from Windows DHCP cluster, others are. Client purchased multiple Ruckus R500/R510 access points. com and similar tests yielding around 15-70mbps while devices on other APs will get 300+. Unifi is getting worse and worse after all these years. However, we didn't see any DHCP ACK packet received from the AP to the DHCP server. We've had some issues with clients getting an IP address on a UniFi AP system previously. Our DHCP is handled by W2008R2 and has plenty of addresses free. A wired system connects and gets out. 2 corporate networks where the USG is handing out DHCP Unifi Device Management Staff BYOD (bring your own device) 5 VLANs that provide external access 3 VLANs that are internal routers that are providing DHCP The VLAN in question here is It still didn't work, could not get an IP address from the DHCP server on the NetGate. I wanted to reset because i lost the access of the old controller. 02. I set all 3 ssid’s to vlan. I do not have DHCP helper set on the Cisco switch. The client devices start going to self assign addresses - APIPA addresses of 169. The QA with Unifi firmware is questionable at best. All worked fine for almost 1 year. hi all, hard restarted the device and i can now see it on my unifi controller as the mac address and its getting the correct ip ie 192. 2 VLAN's setup and set to LAN zones, not WiFi zones. If I connect a wired device to a smart switch where the port has a VLAN50 it will get the right ip-address. I also created a subinterface 20 in the same zone, under the same interface. I replaced my Unifi access points with the Aruba APs about 2 months ago. D. Here is the current config: root@OpenWrt:~# cat /etc/config/network config interface 'loopback' option Since my AP is separate from my OPNSense router, I can see the device connected to the AP; but, the IP is listed as "Unknown" at the AP. The two SSIDs have names “Trusted WiFi” and “Guest WiFi” and have If it’s not just limited to 1 AP, and a device moved to a different area and getting service from a different AP still doesn’t get an IP address, then I would suggest manually removing a number of DHCP licenses for devices that are not currently present in your facility (phones, tablets, watches, etc. I see there's a ton of DHCP posts but didn't see one exactly like this. DominikHoffmann @Jarhead. My AP is connected to a SWITCH (not Unifi switch), and this Switch is connected to pfsense. In my unifi controller software i have set my guest wireless ssid to be tagged on vlan 2. The goal is to manage the access point from a central location over VPNs. Because we respect your right to Thanks for the response, but if you look my diagram you can understand the network architecture. If you want to send SSID traffic to a specific vlan, then, you need to extend this Did you set them as truly static IPs on the AP interface itself, or did you create a static DHCP allocation based on AP MAC address? Furthermore dhcp works on the device itself as it gets an IP with udhcpc -i br-guest. I have 5 or so of these AP’s (indoor and outdoor) and one of them will simply not broadcast the SSID from my Zero-Handoff WLAN group. I did try to make the port on the ES that the USG is connected to a trunk port as part of the troubleshooting process, but I did not see VLAN info propagating as I thought it would Enter the DHCP range - in my case I chose the last 55 addresses of the subnet from 10. I then changed the ports connecting to the AP’s to trunk and then created 2 new ssids called guest and management. If Funny, I had an issued with DHCP being borked for some wireless clients the other week, which I had convinced myself was some kind of weird UniFi bug (AP-AC-Pros on 4. Not UDMP to 10. Thank you for the info though, it is good to know! OpenWRT wifi client not getting DHCP address . Scenario: randomly, with no pattern, one or two wireless clients that normally DHCP will associate, but not receive an address. TLDR: VLAN network clients are not getting DHCP leases and I can't figure out why. It's the only device in my network that is not getting an IP address. I installed the latest UniFi software on my new machine, but when I want to manage my existing AP's, i get prompted with a wizard screen. Setup DHCP Server on UniFi AP-AC-Lite. Opnsense->Unifi Switch->Unifi AP U6-Lite Now Wifi Clients get no IP via DHCP but oddly setting a static entry within my Opnsense just works and the client gets the IP. Previously the AP’s and the controller were in the same VLAN. Followed a few other threads on here and tried those settings, not having any luck getting it working, any help would be most appreciated. I know that DHCP is working because My unifi AP has 2 WIFI's network, GUEST, and WIFI. Both of these non-working APs will randomly show up on the Discover Utility or Web-controller with an IP address of 192. In the FortiSwitch Ports section, I have port 1 of my switch assigned with the native VLAN "Test" and allowed VLANs to all. So I have created a GUEST and a IOT SSID with VLAN100 and VLAN50 as params for the wifis. Not sure yet on whats different on the iPads. 80. This has also been noticed on the Unifi forums and comes up occasionally. Navigate to UniFi OS > Console Settings and Silly question but as it's not been mentioned above, have you set the VLAN tags on the switch/switches? I have a similar setup with UniFi AP's - 3 x SSID's - corporate network with DHCP from the domain controller, guest and visitor + hotspot access networks with DHCP being handled by the XG. 20 (DHCP) So what i did created a static IP connected ssh to the AP and reset it though console that did not work so i tried Here is an example production network with current firmwares. If so, it may be that the response from the UniFI's DHCP client's response to the DHCP server is using the wireless interface. I started at the main office and got 3 set up with hardly a second thought. The strange thing is we could connect to the AP with several laptops, an Android phone, and even 2 of the iPads. My setup includes a SonicWall device handling both firewall and DHCP roles, UniFi switches, and a UniFi Access Point, with a laptop connecting via the AP. DHCP is typically enabled by default on UniFi networks, but you can customize the DHCP pool or range. Best. 30. Go to Settings (gear icon in the lower-left corner). Update to the latest versions. And he have same issue! Thats why I would come to the result, that LAG and Unifi USG will not be the reason for this issue. I can get an IP address in my VLAN’s wireless network from an AP connected directly to the Dream Machine (router), but no other APs connected on my Unifi switches seem to allow DHCP. 71. This post is deleted! 1 Reply Last reply Reply Quote 0. Has anyone else experienced this? Update: I missed I purchased a UniFi AP Pro from Ubiquiti. It's under the clients, which also shows anything with a I checked DHCP was working and had IP's in the pool. Log in to the UniFi Controller. When you find the DHCP server you likely could expand the subnet BUT you have to then verify that any device that is not using DHCP has been changed to use the new subnet Hi all. Share Sort by: Best. VLAN 21 WLAN for IoT - No DHCP. Then you need to have firewall rules to allow dhcp (udp 67 and 68). (The AP tags the packets from the wifi) On our sonicwall firewall, I setup a VLAN interface (5) under the X0 interface and assigned it a DHCP server. 254. We are still troubleshooting the AP to determine what the root cause is. I already have a machine on the network where we can install the controller. There is a known issue with the Unifi AP's periodically not handing out DHCP. The managers at the business would just reset the SonicWall and they’d get back up and running again for a week or so. 200. The AP is flashing yellow so it is - Nothing has been changed on Unifi controller or AP neither on pf Sense DHCP server for a long time but the mentioned updates on Unifi side. It did get an IP address assigned via DHCP. I ran tcpdump -v -n -i xxxx port 67 or port 68 > dhcp. pfsense side: note that the ports are The UniFi Controller is local. Hello, I have been left scratching my head with this one We are currently experiencing an issue where users connecting via WiFi are not getting an IP address. However, it did not have access to the internet. 1/24 (All RING DHCP was notorious for dropping on v. The first Switch is connected directly to the modem and the second Switch is linked You have the Network with the router set to the Unifi Router (UXG)? You have assigned a gateway IP and subnet (lets say 192. This assignment and reservation had to be done on the UDMP. In UniFi, navigate to Settings > Networks to create a new virtual network. Open comment sort options. No matter what, they keep grabbing an APIPA (169. 0/24 VLAN-10 RING security cameras running DHCP 192. The internet is fine, DHCP server is fine; verified both with my Internet service provider (comcast). 1 interface IP. I rebooted the AP this computer was connected to and it jumped to another one of our Unifi AC-AP-Pro's but had the same issue. Association Timeout 0 WPA Authentication Timeout/Failure 122 Blocked by access control DHCP Timeout/Failure111. I have also restarted both the UDM Pro and APs several times. The DHCP server assumes that the address was assigned by another DHCP server on the same segment if it's not from its own pool. With the AP (in test setup still not getting an IP) the relay doesn't work either. The employee vlan is 40. The 169. Setup Details: Firewall/DHCP Server: SonicWall (DHCP is set up for VLAN 50) Networking The network that the tablet needs to be connected to has no connection to the internet and no DHCP. My first SSID with LAN WAS Ok, but my another SSID with VLAN 20 Was not working (clients not getting any dhcp), My VLAN Was setuped like {Photo1. x like all my other WAPs on the controller i adopted the device and it provisioned it so all good but when i connect my phone to the SSID on it, my phone doesnt get a DHCP address, it connects but no DHCP im sorry this is vague but if Annoying, because managing DHCP in UniFi doesn't provide doesn't provide the same feature set or visibility / statistics, but this is the only thing that has consistently worked. Firewall rules can typically only control north-south traffic, ie traffic that passes through the gateway itself in either direction. 60% of the IP addresses in range of DHCP Scope are available. Three Android devices (6, 7, and 10) cannot get out. Just made a test setup with only my Mac an old managed switch (mikrotik) and the opnsense router (nanopi). Question [SOLVED] All, We have two new U6+'s into our USW-48-Pro-POE switch which has all VLANs allowed to the uplink to our pfSense 4200, that handles DHCP. Clients can’t obtain IP address through DHCP. It’s properly configured to pick DHCP from the router (Sonicwall), but it’s getting APIPA adrreses for the tagged network (Guest So the AP was working well with no issues. My APs are Both AP's ports are set to Native VLAN / Network of the VLAN 200 with tagged VLAN management blocked. We have an environment with a FortiGate 60F firewall at the perimeter and UniFi gear on the backbone. I ended up turning off DHCP Snooping in UniFi and the problem immediately cleared up. However, guest clients are being assigned I’ve got a perplexing issue here at a company I just started working at. However the GUEST WIFI isn't getting DHCP at all. ) I have tried forgetting the network on the client side, as well as forgetting the device on the network side. As for the VLANs, I can see the devices getting assigned IP addresses on the DHCP server, but the devices themselves do not get those assignments. Setup details: Spectrum internet (500mbps) Dream Machine Pro Switch 8 150W "Upstairs Hall" = U6Lite The DHCP is not assigning an IP address to the UniFi APs, and therefore the APs are also not being detected by the controller. 3-250 and a non DHCP (so we can statically assign) of 192. We have 80 Unifi Pro AC APs distributed across site, and this issue appears in what can only be described as ‘pockets’ where an area will be affected - These pockets of bad DHCP performance move about Logging into our UBNT Unifi Mesh AP's to ports g4,g5,g6,g7. 10. Unifi AP + Switch + PFSense VLAN - DHCP Not Providing IP . 0. Everything was working perfectly until about a week ago. Factory reseting the device and reconfiguring it from scratch did not help. 11. Comment Follow. I could not go and disable the DHCP altogether on USG (there are quite a few other vlans) so I blocked DHCP traffic between AP and USG on the firewall (that sits right behind USG in L2 mode) and that somehow make access point go completely mad, it got assigned 192. 1 and it’s a 255. Then I'm using Unifi controller with Unifi AP:s. However when I went to the Unifi Controller, the access point is not seen 'Disconnected' Hi guys, So here’s our network situation Sonicwall with a DHCP scope of 192. Is this possible and if so, how would I set this up correct so it gets a IP within our 192. How do I login to my existing setup ? Responses (2) F. DHCP Lease Time is 86400 seconds and DHCP Gateway IP is Auto. 11358 resolves this for quite a few people as well. Then click once again on UniFi AP-AC-Lite name. x IPs. I tried connecting with my phone and I can see it waits for an address and times out - as if the DHCP is not assigning it any network data. On my Unifi Controller i created two SSIDs, Corporate and Guest. Turned out the MAC address of the DHCP server (Windows) had changed and I needed to update the UniFi SSID config to allow broadcast packets from it. Hi, I have setup WiFi network a year ago, one SSID for CORPORATE usage, another WiFi-FREE VLAN tagged 99 for guests. If not, click here. I have the following setup: 3 x APs HP 2930 PoE switch DHCP server At the switch level for each AP, the native VLAN is Unifi's default, and each SSID has its VLAN tagged as well. We have a primary/main site where our firewall to the outside world is at with 4 remote sites. Click on Networks. Now my problem is pretty weird. 10. If the address fails the subnet mask/IP address check, the DHCP server checks to see if it came from a Superscope, if one is defined. Unifi has a dhcp-setting for every network (that includes vlans). Hi All, Just started with creating VLANS with the The AP Lite, Switch 8 and a PFsense box. Im having a problem with my UAP-AP-Pro as it's not assigning some, not all, of my devices an IP address. png, Photo2. WLAN for Users - works fine. The wireless clients are a mix of smartphones, tablets, laptops and workstations with wireless adapters. If your UniFi device and UniFi Network application are on different VLANs, or you are hosting UniFi Network in the cloud, follow the troubleshooting steps here. Two facilities, each with their own local DHCP server running on a separate Windows 2012R2 server. And my Test/Lab network with latest RC firmware on APs running for about 2 weeks This is the best method to Configure DHCP in UBIQUITI UniFi AP-AC-Lite. Unifi AP should be set for the correct VLAN to the SSID. Check local firewalls and antivirus software to ensure this is not blocked. 0 subnet) We still have addresses UniFi AP's won't pass DHCP . VLAN 20 WLAN for Guests - No DHCP. All devices on all subnets are configured to use a PiHole (192. 168. New. Check access point uptime. I can see in my logs that my dhcp server is issuing an IP address but the AP is not accepting so the dhcp We have three DLink DWL-8600AP access points which are not passing DHCP addressing to the wireless clients. 1 Wireless AP connected to T30 Ubiquiti UAP-PRO (DHCP is handled by the T30) Pitney Bowes 49A-G (bridge) I can get the bridge connected to the wireless and I can see it in the UAP-Pro but when I connect a device behind it I can not get the DHCP to pass, I How to configure DHCP on UniFi networks. I'm trying to adopt a UniFi AP, but I'm not able to ping it for some reason. ) but DHCP works for other clients. This just started happening last week and there have been no other changes. I scrapped all virtual IPs and boom working again The UniFi AP is connected to a trunk port which have VLANs 2,3,4. - When the Chromebook tries to connect, I have noticed that it shows up on Unifi controller as a client but with no IP assigned. I was able to configure the AP to be managed over the WAN by changing the inform URL, but I am having the same I have 3 Aruba IO access points - AP11, AP12 and AP15. I have 6 unifi AP’s connecting to a Unifi Controller. I rebooted that AP and the computer jumped to a 3rd When we moved to another AP, it pulled a DHCP address on all of the devices that failed previously. I had DHCP lease expiry set to 600 seconds (10 minutes), GTK rekeying interval set to 600 seconds on one SSID. DHCP options are flexible parameters that advanced users to pass additional information from their DHCP server to a client. 1 gateway. Physical layout is: 1121-4 Router --> SG200 switch -->TLS circuit --> UAP-AC-SHD When the APs are using default vlan, clients and APs receive dhcp addresses. After reboot - I had trouble connecting to some of my IoT devices that live on a different VLAN. Not out of IP addresses, that's the first thing I checked. All the VLANs and such seem to be working, full internet and DHCP except when wireless clients try to connect to the WiFi. I am new to the Unifi product, so bear with me. Back. png and Photo3. Edit: Looks like they Just another hint: My brother have similar configuration with an GS110TPP, an other Unifi AP model and the DHCP-Server (no Ubiquity - FritzBox) is directly connected to GS110TPP. I thought the problem then was the switch I was trying to configure was a model I had not configured before. If the device is a Protect Sensor (UP My main goal is to get Unifi AP-PRO series access points working in a Cisco environment. xx) and refused to Just installed a (cloud controlled) Unifi AP-HD onto our network Configured “network” to match our ip addressing etc, our DC is the DHCP server for the domain. When plugged in to the switch, the access points do not receive an IP address from the DHCP Server(2012 R2 domain controller). Xwe have 2 SSIDs configured 1 is using WPA and the other one uses Microsoft NPS (RADIUS)The power Also, DHCP uses udp port 67 but no firewall rules on the usg will be able to restrict east-west traffic because DHCP traffic typically stays on L2. Wireless clients connect to the Pi but are not assigned a DHCP address. The way the network is set up is I I'm experiencing an issue with DHCP on VLAN 50 in my network setup and could use some insights. As you may have been able to see, I’m not getting an IP address when I connect my laptop to an AP. IPTV not responding to unifi setup. On the managed networks that are pushed out it just sits in an endless loop of trying to connect. 50 to 192. 7. I currently have 2 of these AP’s up and receiving power (PoE) that are in turn connected to our switches. Controversial There's not a dedicated DHCP leases list in Unifi. The idea is to create a SSIDs and VLANs for 4 SSIDs. I then setup the guest SSID in the unifi controller to tag traffic with VLAN 5. 125 to 192. com AP reboot to resolve DHCP issues. 50. There are three networks: VLAN-1 (default) is the secure network running DHCP 10. A laptop, Chromebook, and iPad on that Guest WiFi can get out. The information does not usually directly identify you, but it can give you a more personalized web experience. If yes, your VLAN's and SSID are correct and you have a DHCP or DHCP forwarding issue. And throughout all of that, all the clients reach their server and get address assignments. Latest Gen2/Pro switches would pass DHCP fine, but older Gen1 switches (no fancy readout screen) would not pass DHCP reliably. Word of advise with Unifi AP's is if its working DON'T TOUCH IT unless you absolutely have to or doing a site migration to a new controller. I inherited a network that is using 5 Brocade switches for the main office network. They just assign themselves (the devices) a 169. Edit: Okay I do not know why. * Finally, we connected a laptop to the switch port with the same untagged vlan 32 configuration to see if it I have an AP which is in a disconnected status and I can not seem to get it to reconnect. Have a large network with Windows Server handing out DHCP and a pure UniFi network (DMP, UAPs, Switches). All Rights Reserved. Finally, for the devices to be able to communicate across vlans you may have to add firewall rules; not sure what the default rule set is for inter-vlan communication in Unifi. 250 (I know that these are not ideal ranges but it was how they had it setup before I Solve the Unifi Adoption Failed issue with these methods. I have different SSIDs connected to different VLANs and they work. The sonicwall automatically created a route policy to allow any source to connect to the VLAN interface. 1: UniFi Cloud Gateways. The device doesn't show up in the DHCPv4 leases page at all on the router. I have DHCP enabled on that VLAN (. Unfortunately it seems not working via Wi-Fi. 9: 03-05-2021 by Lowanglee Aruba clients not getting DHCP. This is for ipv4 of course, and chose your options. DHCP is configured to relay to two Windows DHCP servers, which on wired connections and on the Guest and IoT wireless networks is working fine. DHCP server is I’m segregating my network into vlan’s. We have installed several of these AP’s in other schools with no problem. Archived post. 1. CloudKeys, Network Video Recorders & Other Non-Gateway Consoles. 1/23 (since the sonicwall is the gateway at 192. last edited by . Top. There are two switches - one being a layer 3 fiber switch (cisco) and the second one being is being used as a 'regular' cisco switch (3560g). Upgrading the firmware resolved it for us but we had other issues arrise * We took a look at the DHCP server logs, we found that this AP was sending the DHCP discover packet and server is giving DHCP offer packet to the AP. x. Responses (3) I have a bunch of UniFi access points, with a network setting that uses WPA2 and computer certificates with my own CA. xx address from somewhere (all my lans are 10. 0. Vlan is working fine. When a client connects to the access point, I end up with a . Both facilities had reports of the issue starting up at the same time. fxeaj fggd rlbhgf lyj rkvwl sqkhexy bvxl uhya hcja ddyfy