Help, anyone? Any recommendations for USB wifi cards with good support for 802.11s?
Thanks a lot. Alberto. On 25 September 2012 11:34, Alberto Jimenez Pacheco <[email protected]>wrote: > (Better with a subject) > > Hello, > > We are quite new to 802.11s. Can anyone recommend at small form factor USB > WiFi card (dongle) to work with 802.11s? > With good driver support and that has been intensively tested, showing > reliable performance under Linux in mesh mode. > (As a bonus, if it is dual-band, 2.4 and 5 GHz, and can be configured with > 802.11n, then even better) > Thanks. > > We have gone through the list at > http://wireless.kernel.org/en/users/Drivers and based on that we are > currently using one model from Fritz! (WLAN USB Stick N, with Atheros > chipset and driver carl9170) ... but we are not getting very reliable > performance with 802.11s. > > In the past we have done extensive testing with this card in ad-hoc mode, > and it was offering quite good performance and reliability. > However, when used in mesh mode with 802.11s, it performs rather poorly: > we build a mesh with three laptops in close proximity in the same room, so > all routes are one-hop, everything fine; > but if we force a two-hop route between two of the nodes using the third > as relay with > > iw dev <devname> mpath set <destination MAC address> next_hop <next hop MAC > address>, > then ping shows a lot of packets lost in a more or less random behaviour. > Good performance comes back as soon we re-establish the previous one-hop > route with a similar command. > > We do not know whether it is a hardware problem and a different card would > solve it, or if maybe we are missing something in the configuration. > Anyone else suffering this problem? > > Thanks for your help. > Alberto. > > >
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