Hotel Lan Setup

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kotsoskotsas

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Aug 15, 2014
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Hi everyone!
I'm new here so bear with me please.

So I run a hotel and have guest complaining about the internet connection.
Right now the set up looks like that:

Vigor 2710n Annex B Modem Router -->
Tp-Link Switch over 90m of Ethernet cable-->
Netgear Switch over 50m of Ethernet cable -->
Ubiquity Pico Station M2 over 20m of Ethernet cable

The internet connection is 4Mbps (max i can get in the area)

The NAT Active Sessions Table shows about 150 entries
The Ethernet ARP Cache Table shows about 50 entries
The DHCP Table shows around 100 entries (pool:130, lease time 24h)

When I ping any device I get 1ms and no loss.

But when I load pages it takes forever even if according to the traffic flow monitor I am the only one using the internet. It gets worse when playing online games on mobile devices where the game disconnects (i had people complaining that they lost a game......)

I'm not sure where the problem may be. It gets a bit better the closer I get to the vigor but not much....
Also I have noticed the Vigor rebooting a few times during the day completly on its own.

If you need aditional info let me know

Any help is welcome!
Thanks in advance!
 
Solution
abailey

The Ubiquiti Unifi Ap's can handle over 100 clients. I am not sure about how many Ubiquiti Airmax products can handle when being used as an AP. One thing is that the Ubiquiti Airmax products are optimized for P2P and P2MP bridging applications, where their Unifi products are optimized for AP...
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bill001g

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Aug 9, 2012
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I would first unplug everything and plug a single PC into the router. If at this point it still works poorly then you either have a issue with the router or a problem with the ISP. Firmware upgrade is your best first choice if you suspect the router. It may be worth paying the ISP to come and validate that the connection is clear using their test equipment rather than blindly replacing the router.

You can do some simple test to validate each segment inside the building. A very simple but old tool like IPERF will let you measure traffic. It pretty much tests the ability to transfer traffic between 2 machines and you could move the machine from switch to switch to see if there were any combination that do not work.

The router rebooting is a indicator though it is the router having/causing the issue. It could be something strange like too much broadcast traffic coming from the lan but it is more likely some buffer limitation.
 
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kotsoskotsas

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Aug 15, 2014
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Thanks a lot bill001g for the quick answer.

I've run some tests with ipref and everything seems ok with the network.
From the modem router to the last AP ipref shows a loss of 0.003% and a bandwidth of 15-20 Mbits. ping remains at 1ms.
Although there is a significant difference in bandwidth between the two switches and between the modem and the first switch it still seems fast enough to me.

I'd say it points to the router... but then again the AP I have connected to the first switch works a lot better than the second AP.
Could it be that to many devices connecting to the Ubiquity AP cause the problem? (its in bridge mode)
Or maybe the router cant handle the amount of devices?
 
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abailey

abailey

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Mar 23, 2014
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Ok it looks like you have 3 AP's on the 2.4Ghz band. Do you have all three of them on different channels (using only channels 1, 6, and 11). Also you need to have the channel width set to 20Mhz. Do you know how many simultaneous users you have on the Pico max during the day?
 
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kotsoskotsas

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Aug 15, 2014
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APs are too far from each other to interact wirelessly but I'll take a look at the channels. Channel width is at 20Mhz.
During the day it could be up to 10-20 users at the same time (too much?) but its hard to tell. Mostly through their smartphones and tablets. 1 or 2 users on the other APs

*I've set the DNS to 8.8.8.8 and 8.8.4.4

** I’ve just read that the Ubiquity can handle only around 30 clients... I will look into that as well
 
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abailey

abailey

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Mar 23, 2014
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The Ubiquiti Unifi Ap's can handle over 100 clients. I am not sure about how many Ubiquiti Airmax products can handle when being used as an AP. One thing is that the Ubiquiti Airmax products are optimized for P2P and P2MP bridging applications, where their Unifi products are optimized for AP applications. The Pico is unique in that you can load Unifi software on it instead of Airmax. This will give you more control over it as an AP, but I don't know if it will help your particular problem.

 
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