The company I am working for has had wireless network but no staircases has been covered. All staircases are two type- 6-story and 3 story. I suppose I should put 2 APs on 6-story staircases- one on the top and on on the bottom, and one AP on the top of 3-story staircase. I just wonder what kind of antenna I should use, directional or omnidirectional.
Of course without doing a Site Survey these recommendations are purely speculative :) The choice of Antenna type would likely be to go with a Directional for this type of coverage.
With the directional antennas, you can divert the RF energy in a particular direction to farther distances. Therefore, you can cover long ranges, but the effective beamwidth decreases. This type of antenna is helpful in near LOS coverage, such as covering hallways, long corridors, isle structures with spaces in between, etc. However, as the angular coverage is less, you cannot cover large areas. This is a disadvantage for general indoor coverage because you would like to cover a wider angular area around the AP.
Antenna arrays should face in the direction where the coverage is desired, which can sometimes make mounting a challenge.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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