04-05-2019 03:21 AM - editado 07-05-2021 10:12 AM
Hi Team,
How can we connect two buildings using access points ? Customer want to have wifi network for internal users and at the same time he wants to connect two buildings
What are the mechanisms we can use to achieve customer goal ?
el 04-05-2019 03:37 AM
You can extend the LAN between Building using External AP. ( depends on Distance and Line of Sight).
https://www.cisco.com/c/en/us/products/wireless/outdoor-wireless/index.html
el 04-05-2019 04:17 PM
To connect 2 buildings using WIFI first thing is you really a clear line between the buildings, ie. no other building is in the way. Also worth ensuring there isn't really chance another building will be built soon, as nothing worst than putting in the link and then a building gets built and your link dies.
Dependent on the distance between the buildings will determine if it can be done via WIFI or you need to look at other technologies (microwave, laser, light etc).
You ideally also want to have a look at the wireless in the area and if it will interfere with the link.
The distance is also going to determine the antennas required at each end.
Some documentation on wireless mesh here:
If this link is a redundant link in case the WAN goes down, make sure you ensure Spanning tree doesn't become an issue
el 04-07-2019 12:55 AM
one extended question: if the APs are installed inside a building, have you ever heard of any material on the window glass that prevents the wireless signal from passing through?
el 04-07-2019 01:38 AM
It all depends on the Quality Glass used in the building.
I have tired in India, if the Line of site is good, you will get reasonalble speeds.
Tried in UK, because of some reason, have poor results but the links works (to Mitigate the issue, we need to extend the anntenna with externall antenna to fix the issue.
Againg wirelss is different case to case.
el 04-07-2019 02:04 AM
I have seen windows that drop 40 dBm or more, and some that only drop 3dBm its all dependent on the window.
Have seen windows also completely block 4G and Wireless. Its normally when the windows are covered in decorative films over here in Australia, i believe these films have a metallic component to them.
If i was connecting buildings to each other I would try and avoid having to go through walls and glass or any RF obstacle.
el 04-08-2019 05:50 AM
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