UniFi Wireless Broadcast - Tweaking UniFi
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- เผยแพร่เมื่อ 11 ม.ค. 2025
- Broadcast traffic across your access points will drag down the performance of your UniFi wireless network. Learn how to reign in those ugly broadcasts on the wireless network and make your UniFi wireless network run like a Swiss watch!
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guys my advice is to use port isolation ONLY on APs ports . Be careful NOT at trunk ports . i had various connectivity problem by doing this mistake.. By the way this is an amazing channel . Congrats Mr Willie
Block LAN to WLAN is a huge nugget. Running DHCP on a Win server, had to add it to the exception list. File transfer from wireless device to wired server went from 10-15Mbps to 45-50Mbps. Still tuning. Thank you for this video
This literally tripled my download speeds!!! thank you! I was wondering why the heck I was not having good performance! THANK YOU!
Hey Willie,
Found out a week later after enabling this it breaks iTunes sync over wifi with iPhones and iPads on Windows 10 PC. It also kills Airprint printers.
Was still able to use Airplay so it wasn't completely broken.
Cheers and thanks for some great videos.
If you advise on any changes to user's network, make sure you also inform them about negative consequences. Isolating the port will most likely block Bonjour/mDNS broadcasts effectively cutting out users from seeing network printers or multimedia streamers. Your advice is a good practice for business networks but not necessarily for home users.
Interesting, I just tested this in my Lab and the speeds went up on my access points when using testmy,net and problematic web sites . So I went ahead and did this on a remote clients system using unifi,ubnt. My client was complaining that their speeds when using WI-FI was painfully slow, yet I was getting very good speeds when speed testing from the USG. Thank you for this information. The comas instead of dots was deliberate in my post.
This is solid gold Wllie. Might be the best unifi tech tip I've seen yet. Very useful and I cannot wait to try this.
Great info! I changed my network by doing this and also the channel settings video was awesome! Thanks Willie
Thanks Willie, your videos are a great source of information...
Thank you for these videos.
Always helpful to get your insight.
I've started using UniFi products my last few installations and it makes things much easier and more reliable.
Another great, helpful video. The way the comment next to this setting in the UniFi controller is worded gave me pause... so I am just confirming... if you have a MESH network, you're still safe enabling this block of WLAN traffic, right? They don't need multicast to mesh, in other words, right? If that is true... why isn't this ENABLED by default, would be my next question.
I saw a couple others ask but no answer...how can I see the amount of broadcast traffic on the network? I'd ilke something more than anecdotal evidence that it makes a difference.
Do you have a video on RF planning and setup with Unifi?
Is there a way to measure the multicast traffic going to the access points?
This was my thought as well. If these settings are enabled, is there a way to see what effect or improvement is made?
awesome video, thanks Willie! which UAP's do you like to use the LR or the new HD? thanks again
Thanks Willie. So the only downside to enabling this would be if you actually WANT all that broadcast traffic to go to the AP's (and I can't think of a reason off hand why you'd want that, but I'm sure there's a use :D)?
airplay maybe?
Also in my case my sound boards broadcast their metrics so they can be picked up by multiple remote controllers.
Do I enable both port isolation and block lan to wlan multicasting? And does this block streaming devices?
Works great when from 160 mbps to 30 mbps. Straight restored old settings
SmartThings connects through Wifi to local Wifi ioT devices. Won't this kill that?
How would you use this feature while still allowing DHCP to work? One of my techs just called me and he had setup a guest network in the unifi controller and was unable to get the devices on the guest network to obtain an IP from DHCP. I logged in and turned this option off and was able to get a DHCP address. Is this what the isolation option is for on the unifi switch? We dont run any unifi equipment except the APs so I was wondering how I could limit broadcasts while still utilizing DHCP on my client devices. Your channel rocks thanks for all the unifi help!
Is this only if you have the full unifi switch and usg? What if you have the edgeswitch?
First of all, great video! Really useful information. but regarding Balock's comment, I'd like information on this as well. I think there are a lot of us out here with edgeswitch & edgerouter products rather then the unifi switches and the USG because of limitations of that product line, especially early on. I'll shoot you an email as well, but I'll also cast my vote for a video on the subject.
How do I see the broadcast traffic on my all unifi network?
Great video, thanks Willie!
What is the url to this article?
What resources would you recommend if someone wanted to really study RF planning?
I was thinking more of studying the actual theory.
Thanks for amazing videos
Would enabling this break things like the Chromecast for a home network?
good question. I have a school using Unifi and they use apple tv's extensively
Yes it does.
Spenser Bushey yep. I turned on the option to test at home and all my Google home and Chromecast went in to the default state where they say they need to be setup but never will.
Probably will also block usage of AirPrint and Sonos and lots of other stuff. I don't think it is a good idea to enable this unless you know exactly what you are doing here....
Yes, turning off multicast will effect all of the above + prevent mesh APs from talking to each other. This probably isn't advised unless you have a small home setup.
can i do this without USG
This is very helpful
where's the link?
help.ubnt.com/hc/en-us/articles/115001529267-UniFi-Managing-Broadcast-Traffic
We are awesome aren't we :)