請問Aimesh 係咪唔掂？

t19922006

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21^# 跳轉到 »

發表於 2021-1-17 00:30 | 只看該作者

本帖最後由 t19922006 於 2021-1-17 00:32 編輯

回覆 18# letitgo

插線都行到
MESH Ethernet backhaul(through LAN), 最好啲Mesh方法, 穩定性有線一定比無線好
你可以管到屋企環境, 但WiFi最大問題係鄰居, 每個channel都有人用/改過through put(咩穿牆王)

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t19922006

進階會員

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22^#

發表於 2021-1-17 00:57 | 只看該作者

回覆 15# ARM

會有好大分別
1. 唔識由3格signal A跳去5格signal B
2. 仲有轉AP啲ping loss會差好遠

Mesh 其中一個特點Roaming

Roaming is a term used to describe when a device goes out of range of one Access Point (AP) and shifts Wi-Fi network association to the next available AP within the same Extended Service Set (ESS) without losing connection.

There are 3 factors that trigger roaming on a Samsung mobile device:

Weak signal — Mobile devices trigger a roaming scan to avoid frequent retransmissions from lost packets. When the current AP's Received Signal Strength Indicator (RSSI) value is weak (below -75dBm), the device searches for an AP with a stronger signal.
Beacon loss — When beacon packets from a connected AP isn't received after 2 seconds (6 second if the display is OFF), the mobile device considers it a lost beacon and triggers a roaming scan.
Channel Utilization (CU) — When multiple clients are connected to the same AP, connectivity may be hindered despite having a strong radio signal due to limited resources. In which case, the AP will notify the clients of its current traffic through the CU factor in its beacon. The mobile device will then trigger a roaming scan if the received CU value is greater than 70 percent and the current RSSI value is between -65dBM and -75dBm.
https://docs.samsungknox.com/adm ... ba-115013403768.htm

無縫漫遊 – Seamless Roaming

所謂的無縫漫遊是指將從一台無線AP切換到另外一台無線AP所需的時間控制在毫秒級。它的運作概念是無線裝置在切換AP前透過IEEE 802.11k – Neighbor Report的標準，事先收集當下場域中鄰近AP的資訊將其列表，當訊號減弱時便從其列表中自動找出切換的目標AP。同時也透過IEEE 802.11v – Wireless network management的標準，簡化網路部署與管理的高效能機制，讓裝置在決定可能的切換目標AP時列入考量，確保切換至另一台AP時，其無線網路環境是良好的。另外，無線裝置也會透過IEEE 802.11r – Fast Transition Roaming的標準，預先進行連線認證以縮短切換AP的時間。最後，無線裝置在遇到訊號衰減至漫遊觸發臨界值之際，可以透過以上三個機制、自動漫遊切換到別台AP，並且將控制時間在毫秒級。
http://www.technical-direct.com/ ... %e5%88%97%e4%b8%80/

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ARM

中級會員

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23^#

發表於 2021-1-18 09:34 | 只看該作者

回覆 ARM

會有好大分別
1. 唔識由3格signal A跳去5格signal B
2. 仲有轉AP啲ping loss會差好遠

Mesh 其 ...
t19922006 發表於 2021-1-17 00:57

你講緊Mesh定AiMesh?

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KinChungE

長老會員

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24^#

發表於 2021-1-18 10:43 | 只看該作者

回覆 ARM

會有好大分別
1. 唔識由3格signal A跳去5格signal B
2. 仲有轉AP啲ping loss會差好遠

Mesh 其 ...
t19922006 發表於 2021-1-17 00:57

真Mesh就係
Asus AiMesh不是802.11k/v標準

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pioneer0106

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發表於 2021-1-18 10:59 | 只看該作者

本帖最後由 pioneer0106 於 2021-1-18 11:00 編輯

https://www.ptt.cc/bbs/Broad_Band/M.1524725334.A.640.html

https://www.pttweb.cc/bbs/Broad_Band/M.1609509428.A.1E1

有興趣的師兄可以參考上面兩篇ptt再考慮用咩設備

我近日因為要係wifi偏弱的房間zoom meeting，所以拎多一隻ac68u出嚟用wifi 同另一隻ac68u主機setup aimesh，已更新最新firmware，不過每晚約三小時的meeting，NODE同主機之間平均會斷兩次綫，某程度上效果比單隻主機ac68u更差，因為單隻我只需要調較一下電腦位置就可以穩定meeting，但加多隻node行aimesh之後快係快，不過會完完整整地斷綫，唔知係我問題定係點。。

btw, node係app內顯示接收優良，所以應該唔關收唔到事

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cyry