Most of the time the Internal vs. External debate comes down to aesthetics.
However, depending on the use or location of the AP, the External can easily triumph over the Internal models.
Internal Antenna models create extra heat inside the AP enclosure. If you are deploying the APs in a location that is not environmentally controlled, then the External Antenna AP is a better option for you.
If you are trying to place wireless coverage in an area that is hard to cover with traditional APs, then the many different Antenna options that exist for the External Antenna APs make this a wise choice.
In a standard office environment with no extenuating radio inhibitors, the Internal Antenna AP is an easy choice.
If the 1231 APs worked well for you, then the Internal Antenna APs should serve you as well.
With external antenna (from a user point of view) you can place the AP within ceilin and place the antenna outside in this manner you can avoid problem like fading, multipath, absorption. The user experience can be better
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
This is the start of a display filter cross reference between Wireshark
and OmniPeek. The 1st installment is a table of advanced filters. More
filters will be added as time allows. It is a living doc, so check back
for changes every so often Please feel f...