On 01/11/2017 11:40 AM, Chris Murphy wrote: > On Wed, Jan 11, 2017 at 11:00 AM, Rick Stevens <ricks@xxxxxxxxxxxxxx> wrote: >> On 01/10/2017 07:30 PM, Chris Murphy wrote: >>> [chris@f25h Downloads]$ iperf -c 10.0.0.3 >>> ------------------------------------------------------------ >>> Client connecting to 10.0.0.3, TCP port 5001 >>> TCP window size: 85.0 KByte (default) >>> ------------------------------------------------------------ >>> [ 3] local 10.0.0.4 port 52272 connected with 10.0.0.3 port 5001 >>> [ ID] Interval Transfer Bandwidth >>> [ 3] 0.0-10.1 sec 35.4 MBytes 29.5 Mbits/sec >>> [chris@f25h Downloads]$ >>> >>> >>> >>> [chris@f25s ~]$ iperf -s >>> ------------------------------------------------------------ >>> Server listening on TCP port 5001 >>> TCP window size: 85.3 KByte (default) >>> ------------------------------------------------------------ >>> [ 4] local 10.0.0.3 port 5001 connected with 10.0.0.4 port 52272 >>> [ ID] Interval Transfer Bandwidth >>> [ 4] 0.0-10.4 sec 35.4 MBytes 28.5 Mbits/sec >> >> Yeah, OK, that's pretty sucky. So it does look like it's the driver >> or firmware or some setting on the interface that's limiting the speed. >> I guess you could try "iw dev wlan0 link" to see what speed it thinks >> it's running at and "iw dev wlan0 scan dump" to see more details > > [chris@f25h ~]$ dmesg | grep wlan0 > [ 5.489106] iwlwifi 0000:6c:00.0 wlo1: renamed from wlan0 > [chris@f25h ~]$ iw dev wlo1 link > Connected to 00:ac:e0:57:33:00 (on wlo1) > SSID: HOME-3302 > freq: 2462 > RX: 2732414 bytes (5093 packets) > TX: 853871 bytes (3683 packets) > signal: -42 dBm > tx bitrate: 144.4 MBit/s MCS 15 short GI > > bss flags: short-slot-time > dtim period: 1 > beacon int: 100 > [chris@f25h ~]$ iw dev wlo1 scan dump > BSS 00:ac:e0:57:33:00(on wlo1) -- associated > TSF: 213169679188 usec (2d, 11:12:49) > freq: 2462 > beacon interval: 100 TUs > capability: ESS Privacy ShortSlotTime (0x0411) > signal: -41.00 dBm > last seen: 33598 ms ago > Information elements from Probe Response frame: > SSID: HOME-3302 > Supported rates: 1.0* 2.0* 5.5* 11.0* 9.0 18.0 36.0 54.0 > DS Parameter set: channel 11 > ERP: Barker_Preamble_Mode > Extended supported rates: 6.0* 12.0* 24.0* 48.0 > HT capabilities: > Capabilities: 0x1ec > HT20 > SM Power Save disabled > RX HT20 SGI > RX HT40 SGI > TX STBC > RX STBC 1-stream > Max AMSDU length: 3839 bytes > No DSSS/CCK HT40 > Maximum RX AMPDU length 65535 bytes (exponent: 0x003) > Minimum RX AMPDU time spacing: 4 usec (0x05) > HT RX MCS rate indexes supported: 0-15 > HT TX MCS rate indexes are undefined > HT operation: > * primary channel: 11 > * secondary channel offset: no secondary > * STA channel width: 20 MHz > * RIFS: 0 > * HT protection: no > * non-GF present: 1 > * OBSS non-GF present: 0 > * dual beacon: 0 > * dual CTS protection: 0 > * STBC beacon: 0 > * L-SIG TXOP Prot: 0 > * PCO active: 0 > * PCO phase: 0 > Secondary Channel Offset: no secondary (0) > WPA: * Version: 1 > * Group cipher: TKIP > * Pairwise ciphers: TKIP CCMP > * Authentication suites: PSK > RSN: * Version: 1 > * Group cipher: TKIP > * Pairwise ciphers: TKIP CCMP > * Authentication suites: PSK > * Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000) > WMM: * Parameter version 1 > * BE: CW 15-1023, AIFSN 3 > * BK: CW 15-1023, AIFSN 7 > * VI: CW 7-15, AIFSN 2, TXOP 3008 usec > * VO: CW 3-7, AIFSN 2, TXOP 1504 usec > BSS Load: > * station count: 1 > * channel utilisation: 0/255 > * available admission capacity: 31250 [*32us] > Extended capabilities: HT Information Exchange Supported > Country: US Environment: Indoor/Outdoor > Channels [1 - 11] @ 16 dBm > WPS: * Version: 1.0 > * Wi-Fi Protected Setup State: 2 (Configured) > * Response Type: 3 (AP) > * UUID: 28802880-2880-1880-a880-00ace0573300 > * Manufacturer: ARRIS > * Model: TG862G > * Model Number: RT2860 > * Serial Number: 12345678 > * Primary Device Type: 6-0050f204-1 > * Device name: ARRIS TG862 Router > * Config methods: Keypad > * RF Bands: 0x1 > * Unknown TLV (0x1049, 6 bytes): 00 37 2a 00 01 20 > [chris@f25h ~]$ > > > > , but >> I don't know what else to try. Are you using any special hardware >> drivers (e.g. nVidia binaries, etc.)? They might have an effect. > > No out of tree modules, this is stock Fedora 25 from a clean > installation, not an upgrade. The main differences from default is > Btrfs for root and home, and frequently using Rawhide kernels for > testing. I replied to Chris (ctubbsii@xxxxxxxxxxxxxxxxx) with my iw results. Note that I just tried an iperf over the wireless as well and my results suck as badly as yours: [root@golem4 ~]# iperf -c 192.168.1.50 ------------------------------------------------------------ Client connecting to 192.168.1.50, TCP port 5001 TCP window size: 85.0 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.247 port 36768 connected with 192.168.1.50 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 19.6 MBytes 16.4 Mbits/sec I'm using: [root@golem4 ~]# ethtool -i wlan0 driver: iwlwifi version: 4.8.15-300.fc25.x86_64 firmware-version: 18.168.6.1 expansion-rom-version: bus-info: 0000:01:00.0 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags: no laptop->wireless->access point->1000BaseT->switch->1000BaseT->server The switch in the middle is an Extreme Networks Summit 400-48T. ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - - - - Never test for an error condition you don't know how to handle. - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
